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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" 18-8 Stainless Steel Undersized Key Stock with Pla
    12" 18-8 Stainless Steel Undersized Key Stock with Pla
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UE61
    • Mfr. Model # WWG700250025012
    • Key Stock, Undersized, 18-8 Stainless Steel, Plain Finish, Length 12 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 # 5VA87
    • Mfr. Model # WWG360375037512
    • Key Stock, Oversized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 3/8 x 3/8 In, +0.002 In Thickness...More

  • 12" 18-8 Stainless Steel Undersized Key Stock with Pla
    12" 18-8 Stainless Steel Undersized Key Stock with Pla
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UE59
    • Mfr. Model # WWG700187018712
    • Key Stock, Undersized, 18-8 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 # 5VU74
    • Mfr. Model # WWG310375037512
    • Key Stock, Undersized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 3/8 x 3/8 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 # 5VU48
    • Mfr. Model # WWG310250025012
    • Key Stock, Undersized, Low Carbon Steel, Zinc Plated Finish, Length 12 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 # 5VY64
    • Mfr. Model # WWG360505305
    • Key Stock, Oversized, Metric, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 5 x 5mm, -0.076mm 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 # 5VU36
    • Mfr. Model # WWG310187018712
    • Key Stock, Undersized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 3/16 x 3/16 In, -0.002 In...More

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

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UY39
    • Mfr. Model # WWG350312031212
    • Key Stock, Oversized, Low Carbon Steel, Plain Finish, Length 12 In, 5/16 x 5/16 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 # 5VA12
    • Mfr. Model # WWG360187018712
    • Key Stock, Oversized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 3/16 x 3/16 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 # 5VA39
    • Mfr. Model # WWG360250025012
    • Key Stock, Oversized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 1/4 x 1/4 In, +0.002 In Thickness...More

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

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UY27
    • Mfr. Model # WWG350187018712
    • Key Stock, Oversized, Low Carbon Steel, Plain Finish, Length 12 In, 3/16 x 3/16 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 # 5VB71
    • Mfr. Model # WWG360625062512
    • Key Stock, Oversized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 5/8 x 5/8 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 # 5VA66
    • Mfr. Model # WWG360312031212
    • Key Stock, Oversized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 5/16 x 5/16 In, +0.002 In Thickness...More

  • 12" High Carbon Steel Bilateral Tolerance Key Stock wi
    12" High Carbon Steel Bilateral Tolerance Key Stock wi
  • 12" Low Carbon Steel Oversized Key Stock with Plain&#x
    12" Low Carbon Steel Oversized Key Stock with Plain&#x
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UY42
    • Mfr. Model # WWG350375037512
    • Key Stock, Oversized, Low Carbon Steel, Plain Finish, Length 12 In, 3/8 x 3/8 In, +0.002 In Thickness...More

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

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UY66
    • Mfr. Model # WWG350875087512
    • Key Stock, Oversized, Low Carbon Steel, Plain Finish, Length 12 In, 7/8 x 7/8 In, +0.003 In Thickness...More

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

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UY69
    • Mfr. Model # WWG351000100012
    • Key Stock, Oversized, Low Carbon Steel, Plain Finish, Length 12 In, 1 x 1 In, +0.003 In Thickness Tolerance,...More

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

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UY54
    • Mfr. Model # WWG350625062512
    • Key Stock, Oversized, Low Carbon Steel, Plain Finish, Length 12 In, 5/8 x 5/8 In, +0.002 In Thickness...More

  • 12" High Carbon Steel Bilateral Tolerance Key Stock wi
    12" High Carbon Steel Bilateral Tolerance Key Stock wi
  • 12" Low Carbon Steel Oversized Key Stock with Zinc
    12" Low Carbon Steel Oversized Key Stock with Zinc
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5VB49
    • Mfr. Model # WWG360500087512
    • Key Stock, Oversized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 1/2 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 # 5VY68
    • Mfr. Model # WWG360606305
    • Key Stock, Oversized, Metric, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 6 x 6mm, -0.076mm 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 # 5UA41
    • Mfr. Model # WWG310807305
    • Key Stock, Undersized, Medium Carbon Steel, Finish Zinc, Length 12 In., Size 7 x 8mm, Thickness Tolerance...More

  • 12" 18-8 Stainless Steel Oversized Key Stock with Plai
    12" 18-8 Stainless Steel Oversized Key Stock with Plai
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UE37
    • Mfr. Model # WWG750250025012
    • Key Stock, Oversized, 18-8 Stainless Steel, Plain Finish, Length 12 In, 1/4 x 1/4 In, +0.004 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 # 5UE27
    • Mfr. Model # WWG800625062512
    • Key Stock, Undersized, 316 Stainless Steel, Plain Finish, Length 12 In, 5/8 x 5/8 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 # 5VU39
    • Mfr. Model # WWG310187025012
    • Key Stock, Undersized, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 3/16 x 1/4 In, -0.003 In....More

  • 12" 18-8 Stainless Steel Bilateral Tolerance Key Stock
    12" 18-8 Stainless Steel Bilateral Tolerance Key Stock
  • 12" A4 Stainless Steel Undersized Key Stock with Plain
    12" A4 Stainless Steel Undersized Key Stock with Plain
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UB16
    • Mfr. Model # WWG700808305
    • Key Stock, Undersized, A4 Stainless Steel, Finish Plain, Length 12 In., Size 8 x 8mm, Thickness Tolerance...More

  • 12" Alloy Steel Oversized Key Stock with Plain Finish
    12" Alloy Steel Oversized Key Stock with Plain Finish
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UU53
    • Mfr. Model # WWG600250025012
    • Key Stock, Oversized, Alloy Steel, Plain Finish, Length 12 In, 1/4 x 1/4 In, +0.001 In Thickness Tolerance,...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 # 5TU85
    • Mfr. Model # WWG300312031236
    • Key Stock, Undersized, Low Carbon Steel, Plain Finish, Length 36 In, 5/16 x 5/16 In, -0.002 In Thickness...More

  • 12" High Carbon Steel Bilateral Tolerance Key Stock wi
    12" High Carbon Steel Bilateral Tolerance Key Stock wi
  • 12" Brass Bilateral Tolerance Key Stock with Plain Fin
    12" Brass Bilateral Tolerance Key Stock with Plain Fin
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 5UU21
    • Mfr. Model # WWG060250025012
    • Key Stock, Undersized, Brass, Plain Finish, Length 12 In, 1/4 x 1/4 In, +/-.0035 In 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 # 5VY78
    • Mfr. Model # WWG360807305
    • Key Stock, Oversized, Metric, Low Carbon Steel, Zinc Plated Finish, Length 12 In, 7 x 8mm, +0.076mm Thickness...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