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Hex Machine Bolts Fully Threaded, ASTM A307, Coarse Thread, Zinc Plated  –  1/4 - 5/16 - 3/8 - 7/16"

Machine Bolt, Hex Head

Also known as:  

Hex Bolts, Square Head Bolts

Square Machine Bolts are easily gripped by a hand wrench due to the large bearing area design. Hex Machine Bolts tend to be larger than hex bolts—up to 1-1/2" in diameter or more, and up to 20" in length. Hot Dip Galvanized Hex Nuts, which are tapped oversize, must be used with Hot Dip Galvanized Machine Bolts. The length of machine bolts is measured from under the head to the tip.

Code Product Qty. Package Qty. Carton Add to Basket
BL172-9373 1/4-20 x 3/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL119-1192 1/4-20 x 1" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL184-4462 1/4-20 x 1 1/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL184-7462 1/4-20 x 1 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL184-0462 1/4-20 x 1 3/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL184-3462 1/4-20 x 2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL119-2192 1/4-20 x 2 1/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL184-6472 1/4-20 x 2 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL119-3192 1/4-20 x 2 3/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL184-9472 1/4-20 x 3" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL132-5423 1/4-20 x 3 1/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL184-2472 1/4-20 x 3 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL184-5482 1/4-20 x 4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL119-4102 1/4-20 x 4 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL119-5102 1/4-20 x 5" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL112-3063 1/4-20 x 5 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL184-8482 1/4-20 x 6" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL111-9392 5/16-18 x 1" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL184-1482 5/16-18 x 1 1/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL184-4492 5/16-18 x 1 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL184-7492 5/16-18 x 1 3/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL184-0492 5/16-18 x 2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL119-6102 5/16-18 x 2 1/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL184-3492 5/16-18 x 2 1/2" Hex Head Tap Bolt, A307 Grade A, Zinc Plated
BL119-7102 5/16-18 x 2 3/4" Hex Head Tap Bolt, A307 Grade A, Zinc Plated