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1/2 inch x 1 1/2 inch UNC 13 Tpi Socket Cap Black High Tensile bolts pack of 4. for CNC Machinist T Slot Fixture Bolts
£3.95
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1/2 inch x 1-1/2 inch UNC Socket Cap Bolts - Black High Tensile Grade 8 - Pack of 4
Black self-colour 1/2 inch UNC socket cap bolts with a 1-1/2 inch length, manufactured from high tensile Grade 8 steel. The extra 1/4 inch over the 1-1/4 inch variant makes these the preferred choice where deeper thread engagement is needed — such as thicker T-slot fixture plates, heavier machine beds, or assemblies where the bolt must pass through a spacer or additional material layer before engaging the nut. The tall cylindrical head provides a solid bearing surface and accepts a standard hex/Allen key for maximum torque application.
- Thread: 1/2 inch UNC, 13 TPI
- Length: 1-1/2 inch
- Grade: High Tensile Grade 8 (Black Self-Colour)
- Drive: Hex/Allen socket
- Pack quantity: 4 bolts
- Applications: CNC T-slot fixtures, machine beds, tooling plates, industrial assemblies
- Note: Not suitable for marine environments; corrosion resistant coating only
The longer companion to the 1-1/4 inch variant, offering greater grip length for thicker material stacks. A staple fastener for precision engineering, CNC machining, and heavy industrial fixture work.