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Extension Springs

366 results found that include 366 products

Extension springs from Grainger offer a large selection to help you find the extension spring tension and end type you need. While certain models can make for perfect garage door springs, others are ideal for applications including farm machinery and washing devices. You'll also find springs to help automatically close gates and screen doors, replace broken cot or machinery springs and more. Shop Grainger today for extension springs in a wide array of types, sizes and materials.Close

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  • 2-1/4" High Carbon Steel Cot Extension Spring with
    2-1/4" High Carbon Steel Cot Extension Spring with
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAR2
    • Mfr. Model # 1NAR2
    • Extension Spring, Cot, High Carbon Steel, Zinc Plated, End Type Machine Hooks, Overall Length 2 1/4 In,...More

  • 1-5/8" High Carbon Steel Cot Extension Spring with
    1-5/8" High Carbon Steel Cot Extension Spring with
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAN8
    • Mfr. Model # 1NAN8
    • Extension Spring, Cot, High Carbon Steel, Zinc Plated, End Type Machine Hooks, Overall Length 1 5/8 In,...More

  • 2" High Carbon Steel Cot Extension Spring with Zinc&#x
    2" High Carbon Steel Cot Extension Spring with Zinc&#x
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAR1
    • Mfr. Model # 1NAR1
    • Extension Spring, Cot, High Carbon Steel, Zinc Plated, End Type Machine Hooks, Overall Length 2 In, Outside...More

  • 6" High Carbon Steel Utility Extension Spring with Zin
    6" High Carbon Steel Utility Extension Spring with Zin
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAF8
    • Mfr. Model # 1NAF8
    • Extension Spring, Utility, High Carbon Steel, Zinc Plated, End Type Crossover Center Loops, Overall Length 6...More

  • 4-1/2" 302 Stainless Steel Ultra Precision Extension S
    4-1/2" 302 Stainless Steel Ultra Precision Extension S
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 38HY79
    • Mfr. Model # 37059GS
    • Extension Spring, Ultra Precision, 302 Stainless Steel, Plain, End Type Machine Hooks, Overall Length 4-1/2...More

  • 3-3/8" High Carbon Steel Cot Extension Spring with
    3-3/8" High Carbon Steel Cot Extension Spring with
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAR7
    • Mfr. Model # 1NAR7
    • Extension Spring, Cot, High Carbon Steel, Zinc Plated, End Type Machine Hooks, Overall Length 3-3/8 In.,...More

  • 8" High Carbon Steel Utility Extension Spring with Zin
    8" High Carbon Steel Utility Extension Spring with Zin
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAJ2
    • Mfr. Model # 1NAJ2
    • Extension Spring, Utility, High Carbon Steel, Zinc Plated, End Type Crossover Center Loops, Overall Length 8...More

  • 1" High Carbon Steel Utility Extension Spring with Zin
    1" High Carbon Steel Utility Extension Spring with Zin
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1MZX5
    • Mfr. Model # 1MZX5
    • Extension Spring, Utility, High Carbon Steel, Zinc Plated, End Type Crossover Center Loops, Overall Length 1...More

  • 6" Music Wire Extension Spring; PK10
    6" Music Wire Extension Spring; PK10
    • SPEC
    • Item # 41ML30
    • Mfr. Model # E12501486000M
    • Extension Spring, Music Wire, End Type Full Twist Loop, Overall Length 6 In., Outside Dia. 1.250 In., Wire...More

  • 4" 302 Stainless Steel Utility Extension Spring with P
    4" 302 Stainless Steel Utility Extension Spring with P
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAN6
    • Mfr. Model # 1NAN6
    • Extension Spring, Utility, 302 Stainless Steel, Plain, End Type Crossover Center Loops, Overall Length 4 In,...More

  • 4" 302 Stainless Steel Utility Extension Spring with P
    4" 302 Stainless Steel Utility Extension Spring with P
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAN7
    • Mfr. Model # 1NAN7
    • Extension Spring, Utility, 302 Stainless Steel, Plain, End Type Crossover Center Loops, Overall Length 4 In,...More

  • 16-1/2" MBHD Carbon Steel Screen Door Extension Spring
    16-1/2" MBHD Carbon Steel Screen Door Extension Spring
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 3HPT9
    • Mfr. Model # 3HPT9
    • Extension Spring, Screen Door, MBHD Carbon Steel, Zinc Plated, End Type Double Center Loops, Overall Length...More

  • 16-1/2" MBHD Carbon Steel Gate Extension Spring with&#
    16-1/2" MBHD Carbon Steel Gate Extension Spring with&#
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 3HPU1
    • Mfr. Model # 3HPU1
    • Extension Spring, Gate, MBHD Carbon Steel, Zinc Plated, End Type Machine Hooks, Overall Length 16 1/2 In,...More

  • 1-1/2" 302 Stainless Steel Utility Extension Spring wi
    1-1/2" 302 Stainless Steel Utility Extension Spring wi
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAK5
    • Mfr. Model # 1NAK5
    • Extension Spring, Utility, 302 Stainless Steel, Plain, End Type Crossover Center Loops, Overall Length 1 1/2...More

  • 8" High Carbon Steel Utility Extension Spring with Zin
    8" High Carbon Steel Utility Extension Spring with Zin
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAJ3
    • Mfr. Model # 1NAJ3
    • Extension Spring, Utility, High Carbon Steel, Zinc Plated, End Type Crossover Center Loops, Overall Length 8...More

  • 2-1/2" High Carbon Steel Cot Extension Spring with
    2-1/2" High Carbon Steel Cot Extension Spring with
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAR4
    • Mfr. Model # 1NAR4
    • Extension Spring, Cot, High Carbon Steel, Zinc Plated, End Type Machine Hooks, Overall Length 2 1/2 In,...More

  • 1/2" High Carbon Steel Ultra Precision Extension Sprin
    1/2" High Carbon Steel Ultra Precision Extension Sprin
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAR8
    • Mfr. Model # 1NAR8
    • Extension Spring, Ultra Precision, High Carbon Steel, Plain, End Type Full Twist Loops, Overall Length 1/2...More

  • 3" High Carbon Steel Ultra Precision Extension Spring
    3" High Carbon Steel Ultra Precision Extension Spring
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NBB6
    • Mfr. Model # 1NBB6
    • Extension Spring, Ultra Precision, High Carbon Steel, Plain, End Type Full Twist Loops, Overall Length 3 In,...More

  • 2-5/8" High Carbon Steel Cot Extension Spring with
    2-5/8" High Carbon Steel Cot Extension Spring with
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAR5
    • Mfr. Model # 1NAR5
    • Extension Spring, Cot, High Carbon Steel, Zinc Plated, End Type Machine Hooks, Overall Length 2 5/8 In,...More

  • 6" 302 Stainless Steel Safety Drawbar Extension Spring
    6" 302 Stainless Steel Safety Drawbar Extension Spring
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NBT7
    • Mfr. Model # 1NBT7
    • Extension Spring, Safety Drawbar, 302 Stainless Steel, Plain, End Type Closed Drawbar, Overall Length 6 In,...More

  • 4-1/2" High Carbon Steel Ultra Precision Extension Spr
    4-1/2" High Carbon Steel Ultra Precision Extension Spr
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NBE8
    • Mfr. Model # 1NBE8
    • Extension Spring, Ultra Precision, High Carbon Steel, Plain, End Type Full Twist Loops, Overall Length 4 1/2...More

  • 1-1/2" 302 Stainless Steel Utility Extension Spring wi
    1-1/2" 302 Stainless Steel Utility Extension Spring wi
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAK4
    • Mfr. Model # 1NAK4
    • Extension Spring, Utility, 302 Stainless Steel, Plain, End Type Crossover Center Loops, Overall Length 1 1/2...More

  • 1" 302 Stainless Steel Utility Extension Spring with P
    1" 302 Stainless Steel Utility Extension Spring with P
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAJ5
    • Mfr. Model # 1NAJ5
    • Extension Spring, Utility, 302 Stainless Steel, Plain, End Type Crossover Center Loops, Overall Length 1 In,...More

  • 5" 302 Stainless Steel Ultra Precision Extension Spring
    5" 302 Stainless Steel Ultra Precision Extension Spring
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NBR1
    • Mfr. Model # 1NBR1
    • Extension Spring, Ultra Precision, 302 Stainless Steel, Plain, End Type Full Twist Loops, Overall Length 5...More

  • 6" MBHD Carbon Steel Utility Extension Spring with Zin
    6" MBHD Carbon Steel Utility Extension Spring with Zin
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 38HY81
    • Mfr. Model # V18C
    • Extension Spring, Utility, MBHD Carbon Steel, Zinc Plated, End Type Machine Hooks, Overall Length 6 In.,...More

  • 1-1/2" High Carbon Steel Utility Extension Spring with
    1-1/2" High Carbon Steel Utility Extension Spring with
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1MZY6
    • Mfr. Model # 1MZY6
    • Extension Spring, Utility, High Carbon Steel, Zinc Plated, End Type Crossover Center Loops, Overall Length 1...More

  • 6" High Carbon Steel Utility Extension Spring with Zin
    6" High Carbon Steel Utility Extension Spring with Zin
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAF2
    • Mfr. Model # 1NAF2
    • Extension Spring, Utility, High Carbon Steel, Zinc Plated, End Type Crossover Center Loops, Overall Length 6...More

  • 6" High Carbon Steel Utility Extension Spring with Zin
    6" High Carbon Steel Utility Extension Spring with Zin
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAF7
    • Mfr. Model # 1NAF7
    • Extension Spring, Utility, High Carbon Steel, Zinc Plated, End Type Crossover Center Loops, Overall Length 6...More

  • 4-1/2" 302 Stainless Steel Ultra Precision Extension S
    4-1/2" 302 Stainless Steel Ultra Precision Extension S
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NBP9
    • Mfr. Model # 1NBP9
    • Extension Spring, Ultra Precision, 302 Stainless Steel, Plain, End Type Full Twist Loops, Overall Length 4...More

  • 2-3/4" High Carbon Steel Cot Extension Spring with
    2-3/4" High Carbon Steel Cot Extension Spring with
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAR6
    • Mfr. Model # 1NAR6
    • Extension Spring, Cot, High Carbon Steel, Zinc Plated, End Type Machine Hooks, Overall Length 2 3/4 In,...More

  • 5" High Carbon Steel Ultra Precision Extension Spring
    5" High Carbon Steel Ultra Precision Extension Spring
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NBE9
    • Mfr. Model # 1NBE9
    • Extension Spring, Ultra Precision, High Carbon Steel, Plain, End Type Full Twist Loops, Overall Length 5 In,...More

  • 4" High Carbon Steel Utility Extension Spring with Zin
    4" High Carbon Steel Utility Extension Spring with Zin
    • TM

      Grainger Choice

    • GRAINGER APPROVED
    • Item # 1NAE4
    • Mfr. Model # 1NAE4
    • Extension Spring, Utility, High Carbon Steel, Zinc Plated, End Type Crossover Center Loops, Overall Length 4...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