1/2" UNC x 4 1/2" Hex Bolt Bright Zinc Plated Grade 8.8

Zinc Plated Hex Bolt 1/2" UNC x 4-1/2" Grade 8.8

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.

Bolt Specifications:

• Thread Diameter (C): 1/2 inch
• Threads per Inch (tpi): 13
• Thread length (F): usually 3 x shaft width (approx.)
• Head depth max. (A): 0.364 inch
• Length (B): 4-1/2 inch
• Head (D): 3/4 inch (spanner size)
• Material: Bright zinc plated
• Conformity: ASME B18.2.1

With our range of UNC bolts you get a fast delivery option and bulk buy discounts.

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