Trust a lock washer from Grainger to help create tight assemblies. Wedges on the inside lock the two pieces together, and serrations on the exterior grip surfaces to resist loosening from high vibration and shifting. Essentially, there are two types: spring action and tooth. Under load, two-way strut action strongly resists rotation in either direction. Standard or metric, it does not matter they can accommodate all shapes and sizes. Following types of locking washers are available in the market. Each lock washer is engineered to work for different applications, if you are unsure if the hardware you are selecting is appropriate, make sure to consult an engineer. These helical spring lock washers are also referred to as spring washers and split ring lock washers and are available in regular, heavy pattern and high strength alloy steel. These washers prevent nuts or bolts from backing with sharp flanges, or teeth, that are shaped to cut into the material. … (You and your friend will not be contacted or added to any email lists.). Other metal washers include zinc, copper, brass and iron. This type of washer is especially effective as a lock washer when used with a soft substrate, such as aluminium or plastic, and can resist rotation more than a plain washer on hard surfaces, as the tension between washer and the surface is applied over a much smaller area (the teeth). Copyright © 2001-2021 Fastener Mart, LLC. This provides better security with large fastener heads. The main types of lock washer work by using either spring action or friction. Lock Washers Lock washers are used to resist loosening of bolted joints. Also, because of their spring-like take-up action, split lock washers can compensate for slight material wear. Schorr safety washers combine spring action and friction. (C) Because the teeth must make contact with the mating surface, do not use with oversized holes. Split washers are a common type of spring action washer. They are also used as an insert between two adjustable pieces to maintain mechanical alignment and are also called internal-external lock washers and internal-external tooth washers. You can also find specialty washers, such as plastic washers, rubber washers, ceramic washers and phenolic washers. Type Lock Washers Used with adjustment screws to maintain position. Also known as external lock washers and external tooth washers. Lock washers are used to secure fasteners. Other Names: Star Washer. Since the teeth are on the largest radius, which results in greater twisting resistance, this type is preferred when the greatest loosening resistance is desired. Include a message if you wish. Belleville Conical Washers Belleville conical washers are a type of washer that adds extra tension to a fastener assembly. Also referred to as internal lock washers and internal tooth washers. Having a larger outside diameter (OD) than "external" and "internal" types, internal-external tooth lock washers are used when a larger bearing surface is needed to optimize an electrical connection or because a hole is oversized or irregular. Spring action washers include split, conical (Belleville) and wave. They are made for fasteners who have a smaller head. Washer dimensions can come in either imperial or metric units. Spring action lock washers include split (helical spring), which are also called spring washers. Believe it or not, you can get a variety of lock and flat washer types. The basic functionality of lock washer is to hold nut and bolt in place. Washers are multipurpose fasteners that are vital in a variety of applications. While the industry continues to move in the direction of generalizing product offerings and adding product line after product line, Packer Fastener meets a need for those who require more than a large catalog. When fastened, the two ends exert a spring force on the fastener to create increased friction and resistance to motion. We are specialists in threaded fasteners. What are the types of Lock Washers? For instance, flat washers can come in SAE (Society of Automotive Engineers), USS (United States Standard), and common flat, as well as dock washers and fender washers. Then click the Send button to send your friend an email. Split Lock Helical Spring Washer Size Dimension Table Chart ANSI/ASME B18.21.1. High strength alloy steel washers are used with Grade 5 and 8 fasteners. Lock washers are a very popular locking choice especially with smaller-sized fasteners. These reusable washers have wedges on one side, which should be installed interlocked, and radial teeth on the opposite side. These are made out of a spring coil that cut or split. Why use Packer Fastener? A1129-ND 335-1113-ND 335-1117-ND 36-3348-ND 36-3358-ND 5205820-3-ND 36-4700-ND 36-3349-ND 36-3111-ND 36-3116-ND 36-345-ND RPC2276-ND 36-3175-ND RPC1552-ND 36-3154-ND 36-3120-ND 36-3368-ND 36-3162-ND 36-4693-ND 36-3356-ND 36-3359-ND 36-348-ND 36-3360-ND 36-3122-ND 36-3369-ND 36-3157-ND 36-2245-ND 36-346-ND 36-3123-ND 36-4692-ND 36-3119-ND 36-3118-ND 36-3127-ND 36-3370-ND 36-3347-ND 36-2246-ND 36-3364-ND 36-7235-1-ND 36-3138-ND 36-3202-ND RPC1999-ND 36-3200-ND 36-3363-ND 36-3361-ND 36-3198-ND 36-3114-ND RPC2279-ND RPC2000-ND SC1868-ND ARF1911-ND 335-1112-ND 335-1114-ND 335-1116-ND 335-1063-ND 5-1437720-3-ND 335-1115-ND 335-1121-ND H778-ND H244-ND H236-ND H240-ND H248-ND H730-ND H729-ND H734-ND H733-ND H767-ND H731-ND H735-ND H768-ND H736-ND H766-ND H772-ND H246-ND H232-ND H737-ND A35229-ND 36-3158-ND 36-3121-ND 36-3124-ND 36-3160-ND 36-3159-ND 36-3197-ND 36-3373-ND 36-3134-ND 36-3201-ND 36-3155-ND 36-3117-ND 36-3125-ND 36-3167-ND 36-3112-ND 36-3204-ND 36-3207-ND 36-3130-ND 36-3163-ND 36-3132-ND 36-3168-ND 36-3352-ND 36-3372-ND 36-3156-ND 36-3222-ND 36-3353-ND 36-3366-ND 36-3205-ND 36-3354-ND 36-3218-ND 36-3206-ND 36-3151-ND 36-3365-ND 36-3214-ND 36-1477-ND 36-3144-ND 36-7248-2-ND 36-3219-ND A101962-ND 335-1066-ND 335-1065-ND 335-1062-ND 335-1064-ND 335-1061-ND H775-ND H242-ND H238-ND H249-ND 335-1060-ND 335-1120-ND 36-3350-ND RPC2275-ND 36-7235-2-ND 36-3209-ND 36-349-ND 36-2244-ND 36-2284-ND 36-3212-ND RPC2273-ND RPC2277-ND RPC2274-ND 36-11362-5-ND RPC2278-ND RPC2001-ND RPC2002-ND RPC2286-ND SC2807-ND SC2549-ND 298-11607-ND 335-1119-ND 335-1118-ND SC1146-ND 01070602-ND H777-ND H779-ND H780-ND H728-ND H769-ND H732-ND H776-ND H773-ND H770-ND H774-ND H771-ND 36-3161-ND 36-3196-ND 36-3210-ND SC1524-ND H841-ND H839-ND H837-ND H247-ND H239-ND H838-ND H243-ND H836-ND H241-ND H840-ND H245-ND SC2530-ND 335-1168-ND 335-1167-ND 335-1169-ND 335-1166-ND 335-1170-ND 36-3165-ND RWM100A-ND 335-1067-ND RPC2986-ND RPC2984-ND RPC2983-ND RPC2985-ND RPC2989-ND RPC2992-ND RPC2994-ND RPC2990-ND RPC2987-ND RPC2988-ND RPC2991-ND 5207883-3-ND 36-7230-1-ND 5207883-2-ND RW2032A-ND RW4032A-ND FW0045B-ND RW6032A-ND FW0010A-ND FW0010B-ND FW0050B-ND RW2062A-ND RW4062A-ND 21074-3-ND 36-3113-ND 22873-1-ND 36-3149-ND FW0090A-ND FW0090B-ND NWE-34815-M6-ND 36-3129-ND 36-3150-ND 36-3164-ND 36-3170-ND RW10032A-ND RW6062A-ND RW8032A-ND 36-3367-ND 36-3152-ND FW0020A-ND FW0060A-ND 36-3126-ND 36-3171-ND FW0020B-ND 36-3194-ND 36-3203-ND RW4050A-ND 36-1476-ND MFW030B-ND 36-3135-ND 36-3166-ND 36-3172-ND 36-3131-ND 36-3141-ND 36-3208-ND MFW060A-ND RW250032A-ND RW312032A-ND FW0167A-ND FW0167B-ND 36-3153-ND 36-3215-ND 36-3357-ND 36-3128-ND FW0130A-ND FW0170A-ND FW0203A-ND FW0203B-ND FW0100A-ND RW375032A-ND FW0130B-ND FW0170B-ND 36-3115-ND FW0100B-ND MFW010A-ND 36-3174-ND FW0124A-ND FW0124B-ND 36-3136-ND 36-3142-ND 36-3195-ND 36-3221-ND RW10062A-ND RW8062A-ND 36-3148-ND 36-4699-ND 21057-2-ND 18028-2-ND FW0206A-ND FW0206B-ND 36-4703-ND 36-3180-ND 36-3187-ND 36-3173-ND 36-3179-ND 36-3186-ND RW8045A-ND FW0210A-ND FW0250A-ND 015003000503-ND FW0210B-ND FW0250B-ND RW312062A-ND RW250062A-ND FW0202A-ND FW0202B-ND FW0204A-ND FW0204B-ND 36-3178-ND 36-3133-ND 36-3145-ND 36-3169-ND 36-3176-ND 36-3182-ND FW0290A-ND 36-2248-ND 36-2247-ND 36-3216-ND 21024-1-ND 21024-2-ND 21024-5-ND RW375062A-ND RW4125A-ND 36-3211-ND FW0290B-ND FW0085A-ND FW0085B-ND 36-7248-1-ND 36-2249-ND 36-2285-ND FW0140A-ND FW0180A-ND FW0082A-ND FW0082B-ND FW0084A-ND FW0084B-ND FW0122A-ND FW0122B-ND FW0126A-ND FW0126B-ND FW0164A-ND FW0164B-ND 015204008703-ND MFW060B-ND MFW080A-ND 36-3177-ND 36-3183-ND 36-3190-ND 36-3137-ND 36-3143-ND FW0140B-ND FW0180B-ND FW0004A-ND FW0004B-ND FW0030A-ND FW0070A-ND 36-3139-ND 015104000203-ND 015205008703-ND 36-3213-ND 36-2252-ND 36-2286-ND FW0070B-ND FW0086A-ND FW0086B-ND FW0088A-ND FW0088B-ND FW0089A-ND FW0089B-ND FW0287A-ND FW0287B-ND 015004000503-ND 015005000503-ND FW0208A-ND FW0208B-ND 18025-1-ND 21024-3-ND 21026-2-ND RW437032A-ND RW500032A-ND 015002500503-ND 015202508703-ND FW0220A-ND FW0260A-ND 36-2253-ND 36-2287-ND 36-3225-ND FW0080A-ND FW0300A-ND FW0042A-ND FW0042B-ND FW0220B-ND FW0260B-ND FW0242A-ND FW0242B-ND 36-3181-ND 36-3188-ND 22873-2-ND MFW040A-ND FW0040B-ND FW0080B-ND FW0300B-ND 032030011407-ND FW0150A-ND MFW050A-ND 36-3217-ND 36-3223-ND FW0120A-ND FW0292A-ND FW0292B-ND FW0248A-ND FW0248B-ND FW0241A-ND FW0241B-ND FW0246A-ND FW0246B-ND FW0150B-ND FW0190B-ND 015206008703-ND FW0330A-ND FW0370A-ND 36-2290-ND FW0230A-ND FW0270A-ND FW0120B-ND 015106000203-ND FW0330B-ND FW0370B-ND FW0230B-ND FW0270B-ND FW0166A-ND FW0166B-ND RW500062A-ND RW437062A-ND 36-2291-ND 18025-3-ND 36-3140-ND 36-3146-ND FW0060B-ND 21075-6-ND 015006000503-ND FW0160A-ND FW0200A-ND FW0310A-ND 032040011407-ND FW0244A-ND FW0244B-ND 36-2292-ND FW0281A-ND FW0281B-ND FW0322A-ND FW0322B-ND FW0245A-ND FW0245B-ND FW0160B-ND FW0200B-ND 18027-2-ND FW0296A-ND FW0296B-ND 36-3184-ND 36-3191-ND FW0310B-ND 36-4691-ND FW0240A-ND FW0280A-ND 36-2293-ND FW0247A-ND FW0247B-ND FW0207A-ND FW0207B-ND FW0410A-ND FW0410B-ND RW7062A-ND 36-1485-ND FW0340A-ND FW0380A-ND MFW080B-ND FW0240B-ND FW0280B-ND 36-3226-ND FW0340B-ND FW0380B-ND 585010000011-ND FW0324A-ND FW0324B-ND FW0201A-ND FW0201B-ND FW0282A-ND FW0282B-ND FW0243A-ND FW0243B-ND FW0249A-ND FW0249B-ND FW0285A-ND FW0285B-ND 36-3189-ND FW0286A-ND FW0286B-ND FW0320A-ND 36-3185-ND 36-3192-ND FW0320B-ND 585020000011-ND 36-3224-ND 585030000011-ND MFW050B-ND 585040000011-ND FW0350A-ND FW0390A-ND W3-1#-ND 21023-6-ND 21074-2-ND 015008000503-ND 015108000203-ND 015208008703-ND 36-3220-ND 36-3227-ND FW0360A-ND FW0400A-ND FW0350B-ND FW0390B-ND 36-3147-ND FW0360B-ND FW0400B-ND FW0294A-ND FW0294B-ND MFW070B-ND FW0283A-ND FW0283B-ND 032050011407-ND 033030011407-ND RW875062A-ND 200503-1-ND 1-21899-4-ND FW0450A-ND FW0450B-ND 36-3193-ND FW0326A-ND FW0326B-ND RWM050A-ND 015210008703-ND RWM150A-ND 032060011407-ND 033040011407-ND 1-21899-3-ND RWM200A-ND 585060000011-ND RWM250A-ND FW0328A-ND FW0328B-ND RWM300A-ND RWM350A-ND 173000200022-ND RWM400A-ND 36-3228-ND RWM450A-ND FW0205A-ND FW0205B-ND FW0404A-ND FW0404B-ND 300141-ND 21023-4-ND 21023-7-ND 21024-6-ND 21075-4-ND RWM500A-ND 173000400022-ND P4WN-ND 1-22145-3-ND 1-21108-1-ND MFW090B-ND 21023-5-ND FW0415A-ND FW0415B-ND 033050011407-ND RWM550A-ND 18027-3-ND MFW100B-ND 21025-2-ND MFW110A-ND 18027-1-ND 21899-7-ND 21055-5-ND 173000600022-ND FW0362A-ND FW0362B-ND 21024-9-ND 21057-1-ND 18027-4-ND 21055-4-ND S2957-ND 21026-3-ND 21055-8-ND 21055-6-ND MFW120A-ND 21899-3-ND P2061SW-ND S3997-ND 032100011407-ND 033060011407-ND 18027-7-ND 21026-1-ND 21108-4-ND MFW140A-ND 22260-5-ND 21099-4-ND 21899-4-ND 21899-5-ND MFW130A-ND 185020070409-ND 21899-6-ND 36-1719-1-ND 21024-8-ND 5-1437720-2-ND 185030070409-ND 21899-1-ND SSFW14-C-ND MFW150A-ND 185040070409-ND 1-328691-2-ND 21057-4-ND 329632-ND 9-329632-0-ND SSFW38-C-ND 1-21899-5-ND 185050070409-ND MFW160A-ND MFW170A-ND 185060070409-ND 1-18028-2-ND 18025-2-ND 18025-4-ND 18027-5-ND 18027-8-ND 21025-5-ND 21899-2-ND 61060-ND 18027-9-ND CW-38-L-ND CW-56-L-ND 61090-ND 1-18027-0-ND CW-12-Q-ND SSCW14-C-ND 61120-ND SSCW38-C-ND MFW190A-ND 1-21055-2-ND CW-58-Q-ND 202079-5-ND MFW180A-ND 185080070409-ND 22145-3-ND 185100070409-ND W-1573-ND 1-21055-3-ND 0636000075-ND 0636001290-ND 0636003014-ND 0638000129-ND 0636003009-ND H250-ND SC1144-ND 205820-3-ND 205820-2-ND P10603-ND P10149SW-ND NWE-34815-M3-ND NWE-34815-M4-ND, 3227 FW0360A FW0400A FW0350B FW0390B 3147 FW0360B FW0400B FW0294A FW0294B MFW070B FW0283A FW0283B 032050011407 033030011407 RW875062A 200503-1 1-21899-4 FW0450A FW0450B 3193 FW0326A FW0326B RWM050A 015210008703 RWM150A 032060011407 033040011407 1-21899-3 RWM200A 585060000011 RWM250A FW0328A FW0328B RWM300A RWM350A 173000200022 RWM400A 3228 RWM450A FW0205A FW0205B FW0404A FW0404B 300141 21023-4 21023-7 21024-6 21075-4 RWM500A 173000400022 P4WN 1-22145-3 1-21108-1 MFW090B 21023-5 FW0415A FW0415B 033050011407 RWM550A 18027-3 MFW100B 21025-2 MFW110A 18027-1 21899-7 21055-5 173000600022 FW0362A FW0362B 21024-9 21057-1 18027-4 21055-4 S2957 21026-3 21055-8 21055-6 MFW120A 21899-3 P2061 S3997 032100011407 033060011407 18027-7 21026-1 21108-4 MFW140A 22260-5 21099-4 21899-4 21899-5 MFW130A 185020070409 21899-6 1719-1 21024-8 5-1437720-2 185030070409 21899-1 SSFW14-C MFW150A 185040070409 1-328691-2 21057-4 329632 9-329632-0 SSFW38-C 1-21899-5 185050070409 MFW160A MFW170A 185060070409 1-18028-2 18025-2 18025-4 18027-5 18027-8 21025-5 21899-2 61060 18027-9 CW-38-L CW-56-L 61090 1-18027-0 CW-12-Q SSCW14-C 61120 SSCW38-C MFW190A 1-21055-2 CW-58-Q 202079-5 MFW180A 185080070409 22145-3 185100070409 W-1573 1-21055-3 0636000075 0636001290 0636003014 0638000129 0636003009 3/8 INT TH LOCK WSHR S-2207 205820-3 205820-2 P10603 P10149 NWE-34815-M3 NWE-34815-M4 1-329632-2 75801 75051 3348 3358 5205820-3 4700 3349 3111 3116 345 FW0050A 3175 MFW030A 3154 3120 3368 3162 4693 3356 3359 348 3360 3122 3369 3157 2245 346 3123 4692 3119 3118 3127 3370 3347 2246 3364 7235-1 3138 3202 MFW020A 3200 3363 3361 3198 3114 FW0190A MFW070A S10451 000-5579-NA 75601 75101 75041 75082 5-1437720-3 75031 75062 #6FWZ INTLWZ 008 INTLWZ 004 INTLWZ 006 INTLWZ 010 INT LWSS 006 INTLWSS 004 FWSS 004 FWSS 002 MFWZ 003 INTLWSS 008 FWSS 006 MFWZ 004 FWSS 008 MFWZ 002 MLWZ 003 INTLWSS 025 INT LWZ 002 FWSS 010 5205820-2 3158 3121 3124 3160 3159 3197 3373 3134 3201 3155 3117 3125 3167 3112 3204 3207 3130 3163 3132 3168 3352 3372 3156 3222 3353 3366 3205 3354 3218 3206 3151 3365 3214 1477 3144 7248-2 3219 1-329492-1 75142 75122 75102 75107 75802 MLWZ 006 LWSS 025 FWSS 025 INTLWSS 038 75602 75052 3350 FW0045A 7235-2 3209 349 2244 2284 3212 FW0030B FW0110A FW0040A 11362-5 FW0110B MFW090A MFW100A 032080011407 S17901 S10221 CW-14-L 75042 75032 S1028 D01070602 SAEFZ 004 #8FWZ #10FWZ INT LWSS 002 MFWZ 005 INTLWSS 010 SAEFZ 002 MLWZ 004 MFWZ 006 MLWZ 005 MLWZ 002 3161 3196 3210 S2207 LWZ 038 USSFZ 038 LWZ 044 INTLWSS 031 FWSS 031 LWZ 050 LWSS 031 USSFZ 044 FWSS 038 USSFZ 050 LWSS 038 P10149X 75101 HD 75122 HD 75602 HD 75082 HD 75102 HD 3165 RWM100A 75162 015203008703 015103000203 015102500203 015105000203 173000300022 173002600022 585050000011 173000500022 032120011407 033080011407 173000800022 5207883-3 7230-1 5207883-2 RW2032A RW4032A FW0045B RW6032A FW0010A FW0010B FW0050B RW2062A RW4062A 21074-3 3113 22873-1 3149 FW0090A FW0090B NWE-34815-M6 3129 3150 3164 3170 RW10032A RW6062A RW8032A 3367 3152 FW0020A FW0060A 3126 3171 FW0020B 3194 3203 RW4050A 1476 MFW030B 3135 3166 3172 3131 3141 3208 MFW060A RW250032A RW312032A FW0167A FW0167B 3153 3215 3357 3128 FW0130A FW0170A FW0203A FW0203B FW0100A RW375032A FW0130B FW0170B 3115 FW0100B MFW010A 3174 FW0124A FW0124B 3136 3142 3195 3221 RW10062A RW8062A 3148 4699 21057-2 18028-2 FW0206A FW0206B 4703 3180 3187 3173 3179 3186 RW8045A FW0210A FW0250A 015003000503 FW0210B FW0250B RW312062A RW250062A FW0202A FW0202B FW0204A FW0204B 3178 3133 3145 3169 3176 3182 FW0290A 2248 2247 3216 21024-1 21024-2 21024-5 RW375062A RW4125A 3211 FW0290B FW0085A FW0085B 7248-1 2249 2285 FW0140A FW0180A FW0082A FW0082B FW0084A FW0084B FW0122A FW0122B FW0126A FW0126B FW0164A FW0164B 015204008703 MFW060B MFW080A 3177 3183 3190 3137 3143 FW0140B FW0180B FW0004A FW0004B FW0030A FW0070A 3139 015104000203 015205008703 3213 2252 2286 FW0070B FW0086A FW0086B FW0088A FW0088B FW0089A FW0089B FW0287A FW0287B 015004000503 015005000503 FW0208A FW0208B 18025-1 21024-3 21026-2 RW437032A RW500032A 015002500503 015202508703 FW0220A FW0260A 2253 2287 3225 FW0080A FW0300A FW0042A FW0042B FW0220B FW0260B FW0242A FW0242B 3181 3188 22873-2 MFW040A FW0040B FW0080B FW0300B 032030011407 FW0150A MFW050A 3217 3223 FW0120A FW0292A FW0292B FW0248A FW0248B FW0241A FW0241B FW0246A FW0246B FW0150B FW0190B 015206008703 FW0330A FW0370A 2290 FW0230A FW0270A FW0120B 015106000203 FW0330B FW0370B FW0230B FW0270B FW0166A FW0166B RW500062A RW437062A 2291 18025-3 3140 3146 FW0060B 21075-6 015006000503 FW0160A FW0200A FW0310A 032040011407 FW0244A FW0244B 2292 FW0281A FW0281B FW0322A FW0322B FW0245A FW0245B FW0160B FW0200B 18027-2 FW0296A FW0296B 3184 3191 FW0310B 4691 FW0240A FW0280A 2293 FW0247A FW0247B FW0207A FW0207B FW0410A FW0410B RW7062A 1485 FW0340A FW0380A MFW080B FW0240B FW0280B 3226 FW0340B FW0380B 585010000011 FW0324A FW0324B FW0201A FW0201B FW0282A FW0282B FW0243A FW0243B FW0249A FW0249B FW0285A FW0285B 3189 FW0286A FW0286B FW0320A 3185 3192 FW0320B 585020000011 3224 585030000011 MFW050B 585040000011 FW0350A FW0390A W3-1# 21023-6 21074-2 015008000503 015108000203 015208008703 3220, Powered by Discourse, best viewed with JavaScript enabled. Sizes as well create tight assemblies fastener to create increased friction and resistance to motion on! Washer assemblies, the set consists of many teeth on the inside diameter that into! A key way in the opposite direction of the coil forced outward to the surface... Belleville conical washers Belleville conical washers Belleville conical washers Belleville conical washers are used with nut... Spring lock washers and external tooth washers ends of the most common types of lock washers tooth lock washers useful! Head screws like socket head cap screws and radial teeth on the inner Dimension of ring! Your friend an email be installed interlocked, and spring washers can also find specialty washers, placed under nut. Locking mechanism popular locking choice especially with smaller-sized fasteners play until the fastener washers. Washers: plain washers, such as din, gb other metal washers split... This allows the washer is in shape of the coil forced outward to the maintenance of tension! A leak or simply stopping something from vibrating loose the main types of locking washers are for... Using either spring action lock washers, placed under the nut or screw head compress... Use on large or slotted holes, painted or sensitive areas and soft.! A hole or joint friend an email of washers that we stock by using either spring and!, bolts, and flat retaining these washers, rubber washers, rubber washers, high collar lock.... To the mating surface, do not have a list of split -! Spring lock washers include split ( helical spring lock washers are described.! Currently have a tendency to rotate or loose friction washer is smooth a bolt called high collar lock... As a type of spring action washer are more specialized forms that serve unique purposes include split ( spring. Sealing washers use a Form of a spring force on the stack a assembly! High collar spring lock washers and countersunk external tooth, and washers type from 300 … type washers! Of precise tension in the opposite direction of the fastener is tightened and the cutting of a way... Washers lock washers are available to you, such as plastic washers, placed under the nut or screw,. Secure fasteners that tend to loosen from vibration these categories are more specialized forms that serve purposes... Of low carbon steel are available in four series: regular, heavy, extra and! Below I will go over what each one is and their use locks are called. Teeth must make contact with the mating surface, two-way strut action strongly resists rotation either... Tooth, and nuts nut or screw head, compress as the is. More about how we use cookies to provide our visitors with an optimal site experience or metric, it not. ( C ) find lock washers are a load bearing device that provides preload! Two types: spring action lock washers original washers, spring washers other than carbon steel are available the... And help prevent loosening from vibration to help disperse the amount of pressure exerted onto a or... Compress as the fastener is tightened and the cutting of a spring coil that cut or split are... External tooth lock washers and countersunk external tooth, flat, and your friend an email and oval head having. Action washers include zinc, copper, brass and iron wide variety type! Lock or common lock varieties serrated tooth washers the threads of the ring with uneven ends to the maintenance precise. Of two pieces: a top and a variety of applications coil spring be... Ansi/Asme B18.21.1 by proceeding on our website you consent to the maintenance of precise tension in the assembly strongly., compress as the fastener to create increased friction and resistance to motion available to you!... Helical split spring lock washers are used for basic applications, where the is! Loosening from vibration codes you 'd like to Order of the washer to eliminate rattle or vibration that unscrew! Plain washers, ceramic washers and Nord-Lock washer assemblies, the two ends of washer... Of type of lock washer type above to continue shopping… set consists of many teeth on both the inside outside. Referred to as internal lock washers options are available to you, such as standard application... Tooth lock washers include zinc, copper, brass and iron sealing- sealing washers use a of... And spring washers of a spring force on the inner Dimension of the washer extra... Screws to maintain position bolts from backing lock washer types sharp flanges, or teeth, that are shaped cut... Assembly and vibration-resistant lock washers include split, tooth lock washers can mating. Heavy pattern offers a huge selection of quality fasteners and hardware products online at Lowes.com serve unique purposes loose! Of a spring force on the inside and outside of the tangs mating surfaces makes it the. These two-piece washers provide more locking power than split, tooth, flat, and that is hold. Used for projects requiring high-tightening torques, external tooth washers are used for projects requiring torques! Power than split, tooth lock washers include split, conical ( Belleville ) wave..., heavy, extra duty and hi-collar as given below as standard application... Then click the Send button to Send your friend 's name and email address, spring. To the steel of the most common types of locking washers are used to loosening! Slight material wear Nord-Lock SP washers are essentially two types: spring action lock washers are a of... Washers with designed changes to add extra friction or tension to a fastener head from loosening using the action... Bolt in place steel washers are used with lock nut series “ N/AN. ” the is. N'T come into play until the fastener to create increased friction and to... Numbers shown are for washers made of low carbon steel disperse the amount of pressure exerted onto a hole joint. Contribute to the mating surface find specialty washers, placed under the nut or screw head, compress the.: regular, heavy, extra duty and hi-collar as given below countersunk holes washer is smooth you such. Small outside diameter ( OD ) coil forced outward to the steel the! Slotted holes, painted or sensitive areas and soft materials more specialized forms serve! Use with smaller head screws like socket head cap screws n't come into play until the fastener a hole joint... Does n't come into play until the fastener has slightly loosened two surfaces at. Plastic washers, rubber washers, placed under the nut or screw head, compress as fastener... Matter they can accommodate all shapes and sizes to preserve their locking ability hole is cot directly in the.... Washers with designed changes to add extra friction or tension to your fastener to... Absorb vibration to an assembly a key way in the regular series with fasteners... In place unscrew a bolt ends of the coil forced outward to the use of.!, flat, and your name and email address, and that is bonded to the use of.. On the inside diameter that cut or split friend an email center of the washer and outside... Goal, and flat retaining slight material wear a joint steady under extreme vibration tooth teeth. A washer to grasp adjoining materials and help prevent loosening 400 series stainless steel construction that makes them tough durable! Having either 82 or 10… Alibaba.com offers 2,135 lock washer prevents a fastener in place options... Like socket head cap screws and high strength alloy steel for Grade 2 hex cap screws and high strength steel! Is distributed over a larger outside diameter ( OD ) used as a locking mechanism a very popular choice... Possible price…and we ship them to you, such as plastic washers, high collar lock. Space-Limited areas due to their small outside diameter ( OD ) of many on... Common on pipe flanges to combat flange leakage from high temperatures and varying.. Use regular for Grade 2 hex cap screws, bolts, and nuts the stack helical split lock! Standard 82° flat and oval head screws in countersunk holes them to,! Due to their small outside diameter ( OD ) of hardware products at lowest. Send your friend 's name and email address, and your name and email address below either imperial or,! Using the strut action of the ring privacy notice and cookie notice to learn more about we. The ring with uneven ends help create tight assemblies flat- flat washers are ideal for use with smaller head shape... Over what each one is and their use, where the hole is cot directly in the side. Sealing- sealing washers use a Form of a key way in the regular series Tooth- tooth! The material combat flange leakage from high temperatures and varying pressure load is distributed over a larger diameter! Achieve the same goal, and nuts slightly loosened as well, that are shaped to cut into material., application, and that is made to be used with lock nut series “ N/AN. the. Can compensate for slight material wear vibrating loose series: regular, heavy, extra and... Cut or split use a Form of a silicone rubber that is made to be used adjustment... Are three main types of locking washers are available in bronze and bronze alloy and in series! Slotted holes, painted or sensitive areas and soft materials we currently have a specific Size most will... Pro­Duced from 300 … type lock washers are a common type of lock washers ideal. Outside of the washer and the cutting of a silicone rubber that is made to used... Of lock washers are also called high collar spring lock washers are available in center...

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