5/16" UNF x 1 1/2" Socket Cap Head Screw Self Colour 1936-1960

Self Colour Allen Socket Head Cap Screw 5/16 UNF x 1 1/2"

Socket cap head screw, commonly called an allen key bolt. Frequently used on machinery where fasteners are found in tight, hard to reach spaces. Made from high-tensile steel coated in a black oxide passivation which acts as a great base for self-colouring. These cap head bolts conform to 1936-1960 socket screw standards and have a precisely formed, unified fine (UNF) threading. 

Socket Cap Head Screw Specifications

• Diameter (B): 5/16
• Length (A): 1 1/2"
• Head depth (D): 0.312 inches
• Head diameter (C): 0.469 inches
• Threads per Inch: 24tpi
• Hex / Allen Key Size: 1/4"
  
• Material Coating: Black Oxide

Find all our UNF self colour socket cap head screws here.

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