Off the floor · Studs & Stud Bolts · posted 1yr ago
2-1/4"-8 UN-2A x 10.60" Stud
ASTM A320 L7. Machined to the customer's drawing in our Houston shop.

Job details
PartStud
Thread2-1/4"-8 UN-2A
Length10.60"
MaterialASTM A320 L7
Grade pageA320 L7
Product familyStuds & Rods
Made inHouston, Texas · ISO 9001 certified
2-1/4"-8 UN-2A × 10.60" stud machined per customer print from ASTM A320 Grade L7 for high-stress, low-temperature service.
Studs are cut from certified bar, threaded by rolling or single-point cutting to the class called out, and chamfered and marked before they leave. Double-end and tap-end patterns, special lengths and drilled or coated variants are all made to the drawing.
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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