Off the floor · Studs & Stud Bolts
4-1/2"-8 UN x 44" Studbolt with Heavy Hex Nuts
ASTM A193 B7 / A194 2H. Machined to the customer's drawing in our Houston shop.

Job details
PartStudbolt with Heavy Hex Nuts
Thread4-1/2"-8 UN
Length44"
MaterialASTM A193 B7 / A194 2H
Product familyStuds & Rods
Made inHouston, Texas · ISO 9001 certified
4-1/2"-8 UN x 44" studbolt with heavy hex nuts, ASTM A193 B7 stud and A194 2H nuts, machined in Houston. At this size the work is keeping the stud straight over its full length and the threads consistent from end to end.
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 →
More studs & stud bolts off the floor
2-1/4" Studbolts & Heavy Hex Nuts
ASTM A193 B7 / A194 2H
3/4"-10 UNC-2A x 3/4"-16 UNJF-3A x 4.00" Special Double End Stud
Inconel Alloy 718
5/8"-11 UNC-2A x 5/8"-18 UNJF-3A x 3.69" Special Double End Stud
Alloy 718 (Inconel)
3"-8 UN-2A x 28.375" Double End Stud
ASTM A354 Grade BC
1-3/4"-8 UN-2A x 9.66" Stud
ASTM A193 Grade B7M
5/8"-11 UNC-2A x 4.12" (+/-.02") Stud
Monel K500
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

