Off the floor · Bolts & Screws · posted 7mo ago
7/8-9 UNC-2A x 4-1/8" 12-Point Flange Bolt
ASTM A193 B8M. Machined to the customer's drawing in our Houston shop.

Job details
Part12-Point Flange Bolt
Thread7/8-9 UNC-2A
Length4-1/8"
MaterialASTM A193 B8M
Grade pageA193 B8M Class 1
Product familyBolts & Screws
Made inHouston, Texas · ISO 9001 certified
12-Point Flange Bolt is built for true print-to-part accuracy 7/8-9 UNC-2A x 4-1/8". Fully Threaded 12-Point Flange Design ASTM A193 B8M Material Where precision matters.
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: 316 stainless bolting with molybdenum for chloride and pitting resistance — offshore, marine, chemical and coastal plant fasteners. Read the A193 B8M Class 1 data page →
More bolts & screws off the floor
7/16"-14 UNC-2A x 3-3/4" Hex Flange Screw
ASTM A193 Grade B8 Class 2B
1-1/4"-8 UNC x 5" 12-Point Bolt
ASTM A193 Grade B16 Alloy Steel
1"-8 UNC x 8" Eye Bolt with 7/8" x 2.625" Clevis Pin
ASTM A193 B7
3/4"-16 UNF-2A x 4.50" Custom Eye Bolt
ASTM A668
1"-14 UNF x 10.31" (+/-.010) Connecting Rod Bolt
ASTM A193 Grade B7
3"-8 UN-2A × 14" Heavy Hex Bolt
ASTM A449
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

