Off the floor · Bolts & Screws · posted 2mo ago
3"-4 UNC-2A x 16.75" Coupling Bolt
ASTM A193 Grade B7. Machined to the customer's drawing in our Houston shop.
Job details
PartCoupling Bolt
Thread3"-4 UNC-2A
Length16.75"
MaterialASTM A193 Grade B7
Grade pageA193 B7
Product familyBolts & Screws
Made inHouston, Texas · ISO 9001 certified
3"-4 UNC-2A x 16.75" Coupling Bolt manufactured from ASTM A193 Grade B7 material, Manufactured for high-strength performance, durability, and reliability in demanding industrial applications.
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 workhorse alloy-steel bolting grade for flanges, valves and pressure equipment — 125 ksi tensile, quenched and tempered 4140. Read the A193 B7 data page →
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