Off the floor · Bolts & Screws · posted 3mo ago
1-1/4"-8 UN-2A × 5-1/2" Twelve Point Flange Bolt
ASTM A193 B16. Machined to the customer's drawing in our Houston shop.

Job details
PartTwelve Point Flange Bolt
Thread1-1/4"-8 UN-2A
Length5-1/2"
MaterialASTM A193 B16
Grade pageA193 B16
Product familyBolts & Screws
Made inHouston, Texas · ISO 9001 certified
1-1/4"-8 UN-2A × 5-1/2" Twelve Point Flange Bolt manufactured from ASTM A193 B16 material delivers exceptional strength, heat resistance, and reliability for critical industrial applications. Engineered to perform when it matters most.
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: Vanadium-strengthened Cr-Mo bolting that holds its strength where B7 starts to relax — steam turbines, HP steam flanges and hot valve bonnets. Read the A193 B16 data page →
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