3/4"-10 x 3-1/4" Drilled Stud, Castle Nut and Lock Washer Set
ASTM A193 B7 / A194 2H, cadmium plated. Machined to the customer's drawing in our Houston shop.
Matched set: 3/4"-10 × 3-1/4" full thread stud with a 1/8" hole drilled 1/4" from one end in ASTM A193 B7, a 3/4" medium lock washer, and a 3/4"-10 ASTM A194 2H heavy hex castle nut, all cadmium plated per ASTM B766 Type 2, 25 µm.
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 →
