1/4 (20) UNC x 5 1/2 Inch Hex Bolt, Bright Zinc Plated, Grade 8.8 (ASME B18.2.1)

UNC Hex Bolt

A high tensile, partially threaded bolt with a hexagon head. These bolts are made from grade 5 (8.8) steel and coated in a bright zinc passivation offering a mild corrosion resistance.

The threads have been meticulously formed to meet unified national coarse (UNC) threading standards.

1/4 UNC Hex Bolt Specifications:

• Thread Diameter(C): 1/4 inch
• Threads per Inch (TPI): 20
• Thread length (F): 1 inch max
• Head depth max. (A): 0.163 inch max
• Length (B): 5 inch
• Head width (D): 0.438 inch max
• Material: Bright zinc plated (BZP)
• Conformity: ASME B18.2.1

Part of a range of UNC hex bolts with bulk price discounts from Fusion Fixings.