ASTM A563 Grade A
Thicker and with a larger wrench size than standard (Finished Pattern) Hex Nuts, customers often select these nuts for use with ASTM F1554 Anchor Bolts and Rods.
HONOLULU WAREHOUSE
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(800) 764-NUTS (Neighbor Island Toll Free)
(808) 836-8778 (fax)
sales@hawaiinutandbolt.com
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