Off the floor · Bolts & Screws · posted 10mo ago
1-1/4-7 UNC-2A x 6-1/4" Hex Head Cap Screw
ASTM A320 L7. Machined to the customer's drawing in our Houston shop.
Job details
PartHex Head Cap Screw
Thread1-1/4-7 UNC-2A
Length6-1/4"
MaterialASTM A320 L7
Grade pageA320 L7
Product familyBolts & Screws
Made inHouston, Texas · ISO 9001 certified
Finished Hex Head Cap Screw 1-1/4-7 UNC-2A x 6-1/4", ASTM A320 L7, precision-engineered for exceptional strength and performance in demanding environments. Designed to meet critical standards for reliability and durability.
Headed fasteners are turned or forged to the pattern on the drawing, threads rolled or cut to class, and supplied with the finish specified. Heavy hex, 12-point flange, eye and special-head styles are routine work here.
About the material: The low-temperature twin of B7 — same 4140 Cr-Mo steel, same 125 ksi strength, but impact tested at −150 °F for cryogenic and cold-climate service. Read the A320 L7 data page →
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