Off the floor · Socket & Special Screws · posted 4yr ago
1-1/2"-6 UNC-2A x 3-1/2" Socket Cap Screw, 22 HRC max
ASTM A193 B8 Class 1. Machined to the customer's drawing in our Houston shop.

Job details
PartSocket Cap Screw, 22 HRC max
Thread1-1/2"-6 UNC-2A
Length3-1/2"
MaterialASTM A193 B8 Class 1
Grade pageA193 B8 Class 1
Product familySocket Products
Made inHouston, Texas · ISO 9001 certified
1-1/2"-6 UNC-2A × 3-1/2" socket cap screw per drawing in ASTM A193 Grade B8 Class 1, held to a 22 HRC maximum hardness.
Special socket products are machined from bar where the specification allows, with the socket broached and the threads rolled, or cut where the specification or order allows, then heat treated and plated as the specification requires. Shoulder, low-head, flat-head and set-screw patterns follow ASME B18.3 unless the drawing says otherwise.
About the material: 304 stainless bolting — Class 1 for corrosion resistance and cryogenic-to-1500 °F service, Class 2 strain hardened to 125 ksi for strength. Read the A193 B8 Class 1 data page →
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Have a drawing like this one?
Send it over — most parts ship within days, and the hot-shot line runs 24/7 · 832-446-3442

