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Pack of 4 black 1/2Inch x 1 1/4Inch UNC 13 TPI high tensile socket cap bolts for industrial use
  • Pack of 4 black 1/2Inch x 1 1/4Inch UNC 13 TPI high tensile socket cap bolts for industrial use
  • Set of 4 black oxide 1/2 inch UNC socket cap screws made from Grade 12.9 high tensile steel
  • 1/2Inch x 1 1/2Inch UNC Socket Cap Screws - Grade 12.9 High Tensile Steel (Pack of 4) Warehouse Equip Uk
  • 1/2Inch x 1 1/2Inch UNC Socket Cap Screws - Grade 12.9 High Tensile Steel (Pack of 4) Warehouse Equip Uk
1/2Inch x 1 1/2Inch UNC Socket Cap Screws - Grade 12.9 High Tensile Steel (Pack of 4) Warehouse Equip Uk

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1/2Inch x 1 1/2Inch UNC Socket Cap Screws - Grade 12.9 High Tensile Steel (Pack of 4) Warehouse Equip Uk

£6.76
£6.76

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High Tensile 1/2Inch UNC Socket Head Cap Screws

Black Oxide Finish | Grade 12.9 Alloy Steel | Heavy-Duty Fasteners

These 1/2Inch UNC Socket Cap Screws are engineered for maximum strength and reliability in demanding structural and mechanical applications. Manufactured from Grade 12.9 high tensile alloy steel, these bolts provide a high-performance fastening solution where space is limited but high clamping force is essential.

The UNC (Unified Coarse) thread makes these ideal for use in heavy machinery, automotive repairs, and vintage equipment maintenance, particularly where deep thread engagement into cast iron or aluminum is required.

Key Performance Features

  • Grade 12.9 Tensile Strength: One of the highest strength classes available for threaded fasteners, ensuring resistance to shearing and fatigue.

     

  • Deep Hex Socket: The internal drive allows for high-torque tightening in tight spaces where a standard wrench cannot reach.

  • Black Oxide Finish: Provides a clean, industrial look and offers a layer of protection against minor abrasion and oil.

  • Precision UNC Thread: 1/2-inch diameter with standard 13 threads per inch (TPI) for a secure, rattle-free fit.

Technical Specifications

Feature Detail
Diameter 1/2Inch (UNC)
Length 1 1/2Inch (Excluding Head)
Threads Per Inch 13 TPI (Coarse)
Material Grade 12.9 High Tensile Alloy Steel
Drive Type 3/8Inch Hex / Allen Key
Finish Self-Colour / Black Oxide
Pack Quantity 4 Pieces

Common Applications

  • Automotive: Suspension mounts, engine brackets, and transmission housing.

  • Industrial Machinery: Securing dies, jigs, and heavy-duty press components.

  • Agricultural Equipment: High-vibration repairs on tractors and harvesters.

  • Construction: Steelwork brackets and structural repairs.

Technical Note: Grade 12.9 bolts are professional-grade fasteners. To maintain their integrity, ensure they are torqued correctly and avoided in highly corrosive salt-water environments without further plating.

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