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Lock Washers

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  • Steel Standard Split Lock Washer
    • Multiple product options available

      Split Lock Washer, Standard, Steel, Finish Armor Coat, Thickness Tolerance +/-0.006", Color Silver, Rockwell Hardness C33-C39, For General Purpose, For Use With —, Meets/Exceeds ASME B18.21.1 and Refills —; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Split Lock Washer, Standard, Steel, Finish Armor Coat, Thickness Tolerance +/-0.006", Color Silver, Rockwell Hardness C33-C39, For General Purpose, For Use With —,...More

  • Steel Standard Split Lock Washer
    • TM

      Grainger Choice

    • Multiple product options available

      Split Lock Washer, Standard and Steel; Varies by Finish, Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Split Lock Washer, Standard and Steel; Varies by Finish, Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

  • 18-8 Stainless Steel Standard Spring Lock Washer
    • TM

      Grainger Choice

    • FABORY
    • Multiple product options available

      Spring Lock Washer, Standard, 18-8 Stainless Steel and Meets/Exceeds ASME B18.21.1; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Spring Lock Washer, Standard, 18-8 Stainless Steel and Meets/Exceeds ASME B18.21.1; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

  • 316 Stainless Steel Standard Spring Lock Washer
    • TM

      Grainger Choice

    • FABORY
    • Multiple product options available

      Spring Lock Washer, Standard, 316 Stainless Steel and Meets/Exceeds ASME B18.21.1; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Spring Lock Washer, Standard, 316 Stainless Steel and Meets/Exceeds ASME B18.21.1; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

  • Carbon Steel Standard Split Lock Washer
    • TM

      Grainger Choice

    • Multiple product options available

      Split Lock Washer, Standard and Carbon Steel; Varies by Finish, Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Split Lock Washer, Standard and Carbon Steel; Varies by Finish, Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

  • Steel Light Duty Split Lock Washer
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Multiple product options available

      Split Lock Washer, Light Duty, Steel, Rockwell Hardness C38 to C46, —, For Use With —, Meets/Exceeds ASME B18.21.1 and Refills —; Varies by Finish, Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Split Lock Washer, Light Duty, Steel, Rockwell Hardness C38 to C46, —, For Use With —, Meets/Exceeds ASME B18.21.1 and Refills —; Varies by Finish, Fits Bolt Sizes,...More

  • Spring Steel Serrated Ribbed Lock Washer
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Multiple product options available

      Ribbed Lock Washer, Serrated, Spring Steel, Finish Zinc, —, Color —, Rockwell Hardness C42-52, General Purpose, For Use With Hex Screws and Machine Screws, Meets/Exceeds — and Refills —; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Ribbed Lock Washer, Serrated, Spring Steel, Finish Zinc, —, Color —, Rockwell Hardness C42-52, General Purpose, For Use With Hex Screws and Machine Screws, Meets/Exceeds...More

  • Lock Washer,Bolt 5/16,Carbon Stl,PK100
    Carbon Steel Internal Tooth, Type A Lock Washer
    • TM

      Grainger Choice

    • FABORY
    • Lock Washer, Internal Tooth, Type A, Carbon Steel, Finish Zinc, Rockwell Hardness C40 to C50, Helps Prevent Loosening, Meets/Exceeds ASME B18.21.1 and Refills —; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia. and Thickness

    • Item # 2DE16
    • Mfr. Model # U37480.031.0001
    • Lock Washer, Internal Tooth, Type A, Carbon Steel, Finish Zinc, Fits Bolt Sizes 5/16 In., Inside Dia. 0.332...More

  • Split Lock Washer,Bolt 7/16,Steel,PK25
    Steel Heavy Split Lock Washer
    • TM

      Grainger Choice

    • FABORY
    • Split Lock Washer, Heavy, Steel, Rockwell Hardness C38 to C46 and Meets/Exceeds ASME B18.21.1; Varies by Finish, Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

    • Item # 22UH45
    • Mfr. Model # U37180.043.0001
    • Split Lock Washer, Heavy, Steel, Finish Plain, Fits Bolt Sizes 7/16 In., Inside Dia. 0.440 In., Outside Dia....More

  • Carbon Steel Hi Collar Split Lock Washer
    • TM

      Grainger Choice

    • Multiple product options available

      Split Lock Washer, Hi Collar, Carbon Steel and For Use With Socket Head Cap Screws; Varies by Finish, Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Split Lock Washer, Hi Collar, Carbon Steel and For Use With Socket Head Cap Screws; Varies by Finish, Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package...More

  • Steel Hi Collar Split Lock Washer
    • TM

      Grainger Choice

    • Multiple product options available

      Split Lock Washer, Hi Collar and Steel; Varies by Finish, Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Split Lock Washer, Hi Collar and Steel; Varies by Finish, Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

  • 18-8 Stainless Steel External Tooth, Type A Lock Washer
    • TM

      Grainger Choice

    • FABORY
    • Multiple product options available

      Lock Washer, External Tooth, Type A, 18-8 Stainless Steel and Meets/Exceeds ASME B18.21.1; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Lock Washer, External Tooth, Type A, 18-8 Stainless Steel and Meets/Exceeds ASME B18.21.1; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package...More

  • Carbon Steel Internal/External Tooth, Type A Lock Washer
    • TM

      Grainger Choice

    • FABORY
    • Multiple product options available

      Lock Washer, Internal/External Tooth, Type A, Carbon Steel, Finish Zinc, Rockwell Hardness C40 to C50, Helps Prevent Loosening, Meets/Exceeds ASME B18.21.1 and Refills —; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia. and Thickness

      Lock Washer, Internal/External Tooth, Type A, Carbon Steel, Finish Zinc, Rockwell Hardness C40 to C50, Helps Prevent Loosening, Meets/Exceeds ASME B18.21.1 and Refills...More

  • Split Lock Washer,Bolt 1/4,18-8 SS,PK100
    18-8 Stainless Steel Hi Collar Split Lock Washer
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Split Lock Washer, Hi Collar, 18-8 Stainless Steel, Rockwell Hardness C35 and Meets/Exceeds ASME B18.21.1; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

    • Item # 1NY12
    • Mfr. Model # 1NY12
    • Split Lock Washer, Hi Collar, 18-8 Stainless Steel, Plain Finish, Fits Bolt Sizes 1/4 In, Inside Dia 0.260...More

  • 410 Stainless Steel External Tooth, Type A Lock Washer
    • TM

      Grainger Choice

    • FABORY
    • Multiple product options available

      Lock Washer, External Tooth, Type A, 410 Stainless Steel and Meets/Exceeds ASME B18.21.1; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Lock Washer, External Tooth, Type A, 410 Stainless Steel and Meets/Exceeds ASME B18.21.1; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package...More

  • Lock Washer,Bolt 5/16,Spring Stl,PK100
    SAE 1050-1065 Spring Steel External Tooth Lock Washer
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Lock Washer, External Tooth, SAE 1050-1065 Spring Steel, Finish Zinc, Rockwell Hardness C38 to C46, Offers Locking Efficiency Providing Greater Torsional Resistance, For Use With Large Round, Pan Or Binding Head Screws and Meets/Exceeds ASME B18.21.1; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia. and Thickness

    • Item # 6DYU3
    • Mfr. Model # SEWIS0310-100P
    • Lock Washer, External Tooth, SAE 1050-1065 Spring Steel, Zinc Plated Finish, Fits Bolt Sizes 5/16", Inside...More

  • Split Lock Washer,Bolt 7/8,316 SS,PK5
    316 Stainless Steel Standard Split Lock Washer
    • TM

      Grainger Choice

    • FABORY
    • Split Lock Washer, Standard and 316 Stainless Steel; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

    • Item # 22UJ78
    • Mfr. Model # U55450.087.0001
    • Split Lock Washer, Standard, 316 Stainless Steel, Fits Bolt Sizes 7/8 In., Inside Dia. 0.878 In., Outside...More

  • 410 Stainless Steel External Tooth Lock Washer
    • TM

      Grainger Choice

    • Multiple product options available

      Lock Washer, External Tooth, 410 Stainless Steel, Finish Plain, Color Silver, Rockwell Hardness C40, Absorbs Shock and Vibration, Meets/Exceeds ANSI B18.22.1. and Refills —; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Lock Washer, External Tooth, 410 Stainless Steel, Finish Plain, Color Silver, Rockwell Hardness C40, Absorbs Shock and Vibration, Meets/Exceeds ANSI B18.22.1. and...More

  • Split Lock Washer,Bolt 1-1/4,Stl,PK5
    Steel Standard Spring Lock Washer
    • TM

      Grainger Choice

    • FABORY
    • Spring Lock Washer, Standard, Steel, Fits Bolt Sizes 1-1/4", Inside Dia. 1.254", Outside Dia. 2.036", Thickness 0.312" and Meets/Exceeds ASME B18.21.1; Varies by Finish

    • Item # 23NJ36
    • Mfr. Model # U37020.125.0001
    • Split Lock Washer, Standard, Steel, Finish Zinc, Fits Bolt Sizes 1-1/4 In., Inside Dia. 1.254 In., Outside...More

  • Lock Washer,Bolt 5/16,Carbon Stl,PK100
    Carbon Steel External Tooth, Type A Lock Washer
    • TM

      Grainger Choice

    • FABORY
    • Lock Washer, External Tooth, Type A, Carbon Steel, Finish Zinc, Rockwell Hardness C40 to C50, Helps Prevent Loosening, Meets/Exceeds ASME B18.21.1 and Refills —; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia. and Thickness

    • Item # 2DB58
    • Mfr. Model # U37420.031.0001
    • Lock Washer, External Tooth, Type A, Carbon Steel, Finish Zinc, Fits Bolt Sizes 5/16 In., Inside Dia. 0.332...More

  • Steel Heavy Duty Split Lock Washer
    • TM

      Grainger Choice

    • Multiple product options available

      Split Lock Washer, Heavy Duty, Steel and Meets/Exceeds ASME B18.21.1; Varies by Finish, Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Split Lock Washer, Heavy Duty, Steel and Meets/Exceeds ASME B18.21.1; Varies by Finish, Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

  • Steel Hi-Collar Split Lock Washer
    • METRIC BLUE
    • Multiple product options available

      Split Lock Washer, Hi-Collar, Steel, Finish Metric Blue, Rockwell Hardness HRC 44-51, General Purpose, For Use With Socket Head Cap Screws and Meets/Exceeds DIN 7980; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Split Lock Washer, Hi-Collar, Steel, Finish Metric Blue, Rockwell Hardness HRC 44-51, General Purpose, For Use With Socket Head Cap Screws and Meets/Exceeds DIN 7980;...More

  • 18-8 Stainless Steel Internal Tooth, Type A Lock Washer
    • TM

      Grainger Choice

    • FABORY
    • Multiple product options available

      Lock Washer, Internal Tooth, Type A, 18-8 Stainless Steel and Meets/Exceeds ASME B18.21.1; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Lock Washer, Internal Tooth, Type A, 18-8 Stainless Steel and Meets/Exceeds ASME B18.21.1; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package...More

  • Steel Extra Duty Split Lock Washer
    • TM

      Grainger Choice

    • Multiple product options available

      Split Lock Washer, Extra Duty, Steel and Meets/Exceeds ASME B18.21.1; Varies by Finish, Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Split Lock Washer, Extra Duty, Steel and Meets/Exceeds ASME B18.21.1; Varies by Finish, Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

  • 302 Stainless Steel External Tooth Lock Washer
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Multiple product options available

      Lock Washer, External Tooth, 302 Stainless Steel, Finish Plain, Color Silver, Rockwell Hardness B85 max, —, For Use With —, Meets/Exceeds ASME B18.21.1 and Refills —; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Lock Washer, External Tooth, 302 Stainless Steel, Finish Plain, Color Silver, Rockwell Hardness B85 max, —, For Use With —, Meets/Exceeds ASME B18.21.1 and Refills —;...More

  • Silicon Bronze Standard Split Lock Washer
    • TM

      Grainger Choice

    • Multiple product options available

      Split Lock Washer, Standard and Silicon Bronze; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Split Lock Washer, Standard and Silicon Bronze; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

  • Lock Washer,Bolt 1,Steel,PK5
    Steel External Tooth, Type A Lock Washer
    • TM

      Grainger Choice

    • FABORY
    • Lock Washer, External Tooth, Type A, Steel, Finish Zinc and Meets/Exceeds ASME B18.21.1; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

    • Item # 25DM99
    • Mfr. Model # U37420.100.0001
    • Lock Washer, External Tooth, Type A, Steel, Finish Zinc, Fits Bolt Sizes 1 In., Inside Dia. 1.025 In.,...More

  • A4 Stainless Steel Standard Split Lock Washer
    • TM

      Grainger Choice

    • Multiple product options available

      Split Lock Washer, Standard, A4 Stainless Steel and Meets/Exceeds D127B; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Split Lock Washer, Standard, A4 Stainless Steel and Meets/Exceeds D127B; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

  • Steel Internal/External Tooth, Type A Lock Washer
    • TM

      Grainger Choice

    • FABORY
    • Multiple product options available

      Lock Washer, Internal/External Tooth, Type A, Steel, Finish Zinc, Rockwell Hardness C40 to C50 and Meets/Exceeds ASME B18.21.1; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Lock Washer, Internal/External Tooth, Type A, Steel, Finish Zinc, Rockwell Hardness C40 to C50 and Meets/Exceeds ASME B18.21.1; Varies by Fits Bolt Sizes, Inside Dia.,...More

  • Steel Internal Tooth, Type A Lock Washer
    • TM

      Grainger Choice

    • FABORY
    • Multiple product options available

      Lock Washer, Internal Tooth, Type A, Steel and Meets/Exceeds ASME B18.21.1; Varies by Finish, Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

      Lock Washer, Internal Tooth, Type A, Steel and Meets/Exceeds ASME B18.21.1; Varies by Finish, Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

  • Steel Wedge Lock Washer
    • NORD-LOCK
    • Multiple product options available

      Multiple product options available

      Multiple product options available

  • Lock Washer,Bolt M24,Carbon Steel,PK10
    Carbon Steel External Tooth, Closed Perimeter Lock Washer
    • TM

      Grainger Choice

    • FABORY
    • Lock Washer, External Tooth, Closed Perimeter, Carbon Steel, Finish Zinc and Color Zinc; Varies by Fits Bolt Sizes, Inside Dia., Outside Dia., Thickness and Package Quantity

    • Item # 29DJ08
    • Mfr. Model # M37420.240.0001
    • Lock Washer, External Tooth, Closed Perimeter, Carbon Steel, Finish Zinc, Fits Bolt Sizes M24, Inside Dia....More

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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More