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Come to Grainger for aluminum and steel key stock in a range of tolerances and a variety of sizes. Use keystock in machines with rotating devices to provide torque between shafts and pulleys, gears and sprockets. Undersized keystock works well where close or undersized tolerances are required. Oversized tolerances may require filing for proper fit into keyway. Shop today for key stock from Grainger and take advantage of easy online ordering!Close

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  • 12" High Carbon Steel Bilateral Tolerance Key Stock wi
    12" High Carbon Steel Bilateral Tolerance Key Stock wi
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UU90
    • Mfr. Model # WWG550500050012
    • Key Stock, Undersized, High Carbon Steel, Plain Finish, Length 12 In, 1/2 x 1/2 In, -0.002 In Thickness...More

  • 12" Medium Carbon Steel Undersized Key Stock with Zinc
    12" Medium Carbon Steel Undersized Key Stock with Zinc
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UA76
    • Mfr. Model # WWG311616305
    • Key Stock, Undersized, Medium Carbon Steel, Finish Zinc, Length 12 In., Size 16 x 16mm, Thickness Tolerance...More

  • 12" A4 Stainless Steel Undersized Key Stock with Plain
    12" A4 Stainless Steel Undersized Key Stock with Plain
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UA96
    • Mfr. Model # WWG700404305
    • Key Stock, Undersized, A4 Stainless Steel, Finish Plain, Length 12 In., Size 4 x 4mm, Thickness Tolerance...More

  • 12" Low Carbon Steel Oversized Key Stock with Zinc
    12" Low Carbon Steel Oversized Key Stock with Zinc
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5VE13
    • Mfr. Model # WWG360750087512
    • Key Stock, Oversized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 3/4 x 7/8 In, +0.004 In Thickness...More

  • 36" Low Carbon Steel Undersized Key Stock with Zinc&#x
    36" Low Carbon Steel Undersized Key Stock with Zinc&#x
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 4ETK4
    • Mfr. Model # WWG310500050036
    • Key Stock, Undersized, Low Carbon Steel, Finish Zinc, Length 36 In., Size 1/2 x 1/2 In., Thickness Tolerance...More

  • 36" 18-8 Stainless Steel Undersized Key Stock with Pla
    36" 18-8 Stainless Steel Undersized Key Stock with Pla
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5TU49
    • Mfr. Model # WWG700250025036
    • Key Stock, Undersized, 18-8 Stainless Steel, Plain Finish, Length 36 In, 1/4 x 1/4 In, -0.002 In Thickness...More

  • 12" Low Carbon Steel Oversized Key Stock with Zinc
    12" Low Carbon Steel Oversized Key Stock with Zinc
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5VY92
    • Mfr. Model # WWG361409305
    • Key Stock, Oversized, Metric, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 9 x 14mm, +0.076mm...More

  • 12" Low Carbon Steel Undersized Key Stock with Zinc&#x
    12" Low Carbon Steel Undersized Key Stock with Zinc&#x
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5VV17
    • Mfr. Model # WWG310875087512
    • Key Stock, Undersized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 7/8 x 7/8 In, -0.003 In Thickness...More

  • 12" 316 Stainless Steel Undersized Key Stock with Plai
    12" 316 Stainless Steel Undersized Key Stock with Plai
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5VV98
    • Mfr. Model # WWG800303305
    • Key Stock, Undersized, Metric, 316 Stainless Steel, Plain Finish, Length 12 In, 3 x 3mm, -0.025mm Thickness...More

  • 12" Low Carbon Steel Oversized Key Stock with Zinc
    12" Low Carbon Steel Oversized Key Stock with Zinc
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5VB76
    • Mfr. Model # WWG360625075012
    • Key Stock, Oversized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 5/8 x 3/4 In, +0.003 In Thickness...More

  • 12" Low Carbon Steel Oversized Key Stock with Zinc
    12" Low Carbon Steel Oversized Key Stock with Zinc
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5VE34
    • Mfr. Model # WWG360875087512
    • Key Stock, Oversized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 7/8 x 7/8 In, +0.003 In Thickness...More

  • 12" 316 Stainless Steel Undersized Key Stock with Plai
    12" 316 Stainless Steel Undersized Key Stock with Plai
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UE17
    • Mfr. Model # WWG800187018712
    • Key Stock, Undersized, 316 Stainless Steel, Plain Finish, Length 12 In, 3/16 x 3/16 In, -0.002 In Thickness...More

  • 12" Low Carbon Steel Undersized Key Stock with Zinc&#x
    12" Low Carbon Steel Undersized Key Stock with Zinc&#x
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5VV21
    • Mfr. Model # WWG311000100012
    • Key Stock, Undersized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 1 x 1 In, -0.003 In Thickness...More

  • 36" Low Carbon Steel Oversized Key Stock with Plain&#x
    36" Low Carbon Steel Oversized Key Stock with Plain&#x
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5VV81
    • Mfr. Model # WWG350625062536
    • Key Stock, Oversized, Low Carbon Steel, Plain Finish, Length 36 In, 5/8 x 5/8 In, +0.002 In Thickness...More

  • 12" 316 Stainless Steel Undersized Key Stock with Plai
    12" 316 Stainless Steel Undersized Key Stock with Plai
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5VY10
    • Mfr. Model # WWG800404305
    • Key Stock, Undersized, Metric, 316 Stainless Steel, Plain Finish, Length 12 In, 4 x 4mm, -0.030mm Thickness...More

  • 12" 316 Stainless Steel Undersized Key Stock with Plai
    12" 316 Stainless Steel Undersized Key Stock with Plai
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5VV96
    • Mfr. Model # WWG800202305
    • Key Stock, Undersized, Metric, 316 Stainless Steel, Plain Finish, Length 12 In, 2 x 2mm, -0.025mm Thickness...More

  • 12" Medium Carbon Steel Undersized Key Stock with Zinc
    12" Medium Carbon Steel Undersized Key Stock with Zinc
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UA64
    • Mfr. Model # WWG311811305
    • Key Stock, Undersized, Medium Carbon Steel, Finish Zinc, Length 12 In., Size 11 x 18mm, Thickness Tolerance...More

  • 12" Low Carbon Steel Oversized Key Stock with Zinc
    12" Low Carbon Steel Oversized Key Stock with Zinc
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5VB53
    • Mfr. Model # WWG360500100012
    • Key Stock, Oversized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 1/2 x 1 In, +0.004 In Thickness...More

  • 12" Low Carbon Steel Oversized Key Stock with Zinc
    12" Low Carbon Steel Oversized Key Stock with Zinc
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5VB80
    • Mfr. Model # WWG360625087512
    • Key Stock, Oversized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 5/8 x 7/8 In, +0.004 In Thickness...More

  • 12" Low Carbon Steel Oversized Key Stock with Zinc
    12" Low Carbon Steel Oversized Key Stock with Zinc
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5VE31
    • Mfr. Model # WWG360812081212
    • Key Stock, Oversized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 13/16 x 13/16 In, +0.003 In...More

  • 36" Low Carbon Steel Undersized Key Stock with Plain&#
    36" Low Carbon Steel Undersized Key Stock with Plain&#
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5TU97
    • Mfr. Model # WWG300562056236
    • Key Stock, Undersized, Low Carbon Steel, Plain Finish, Length 36 In, 9/16 x 9/16 In, -0.002 In Thickness...More

  • 1m Medium Carbon Steel Undersized Key Stock with Plain
    1m Medium Carbon Steel Undersized Key Stock with Plain
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5TY68
    • Mfr. Model # WWG3012081000
    • Key Stock, Undersized, Medium Carbon Steel, Finish Plain, Length 1m, Size 8 x 12mm, Thickness Tolerance...More

  • 36" 18-8 Stainless Steel Undersized Key Stock with Pla
    36" 18-8 Stainless Steel Undersized Key Stock with Pla
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5TU46
    • Mfr. Model # WWG700187018736
    • Key Stock, Undersized, 18-8 Stainless Steel, Plain Finish, Length 36 In, 3/16 x 3/16 In, -0.002 In Thickness...More

  • 72" 18-8 Stainless Steel Undersized Key Stock with Pla
    72" 18-8 Stainless Steel Undersized Key Stock with Pla
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 4ETL7
    • Mfr. Model # WWG700125012572
    • Key Stock, Undersized, 18-8 Stainless Steel, Finish Plain, Length 72 In., Size 1/8 x 1/8 In., Thickness...More

  • 12" Low Carbon Steel Oversized Key Stock with Zinc
    12" Low Carbon Steel Oversized Key Stock with Zinc
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5VB61
    • Mfr. Model # WWG360562075012
    • Key Stock, Oversized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 9/16 x 3/4 In, +0.003 In Thickness...More

  • 12" Low Carbon Steel Oversized Key Stock with Zinc
    12" Low Carbon Steel Oversized Key Stock with Zinc
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5WA10
    • Mfr. Model # WWG361610305
    • Key Stock, Oversized, Metric, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 10 x 16mm, +0.076mm...More

  • 72" Low Carbon Steel Undersized Key Stock with Plain&#
    72" Low Carbon Steel Undersized Key Stock with Plain&#
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 4ETH2
    • Mfr. Model # WWG300500050072
    • Key Stock, Undersized, Low Carbon Steel, Finish Plain, Length 72 In., Size 1/2 x 1/2 In., Thickness Tolerance...More

  • 12" 416 Stainless Steel Undersized Key Stock with Plai
    12" 416 Stainless Steel Undersized Key Stock with Plai
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UB93
    • Mfr. Model # WWG850187018712
    • Key Stock, Undersized, 416 Stainless Steel, Plain Finish, Length 12 In, 3/16 x 3/16 In, -0.002 In Thickness...More

  • 25mm C45K Steel High Parallel Key with Plain Finish
    25mm C45K Steel High Parallel Key with Plain Finish
    • TM

      Grainger Choice

    • FABORY
    • Item # 38DX21
    • Mfr. Model # M39250.087.0025
    • Parallel Key, High, C45K Steel, Finish Plain, Length 25mm, Size 8 x 7 x 25mm, Thickness Tolerance Din 6885A,...More

  • 1m Medium Carbon Steel Undersized Key Stock with Plain
    1m Medium Carbon Steel Undersized Key Stock with Plain
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5TY66
    • Mfr. Model # WWG3010081000
    • Key Stock, Undersized, Medium Carbon Steel, Finish Plain, Length 1m, Size 8 x 10mm, Thickness Tolerance...More

  • 12" Medium Carbon Steel Undersized Key Stock with Zinc
    12" Medium Carbon Steel Undersized Key Stock with Zinc
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UA68
    • Mfr. Model # WWG312012305
    • Key Stock, Undersized, Medium Carbon Steel, Finish Zinc, Length 12 In., Size 12 x 20mm, Thickness Tolerance...More

  • 12" Low Carbon Steel Oversized Key Stock with Zinc
    12" Low Carbon Steel Oversized Key Stock with Zinc
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5VY98
    • Mfr. Model # WWG361210305
    • Key Stock, Oversized, Metric, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 10 x 12mm, +0.076mm...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