Off the floor · Studs & Stud Bolts · posted 3yr ago
2-3/4" / 2-1/2"-8 UN Special Double End Studs, Internally Drilled
ASTM A193 B7 (domestic). Machined to the customer's drawing in our Houston shop.

Job details
PartSpecial Double End Studs, Internally Drilled
Thread2-1/2"-8 UN
MaterialASTM A193 B7 (domestic)
Grade pageA193 B7
Product familyStuds & Rods
Made inHouston, Texas · ISO 9001 certified
Special double end studs with 2-3/4"-8 UN thread on one end and 2-1/2"-8 UN on the other, internally drilled, from domestic ASTM A193 B7 to a customer drawing.
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 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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