1"-8 UNC-2B Twelve Point Flange Nut
ASTM A193 Grade B16. Machined to the customer's drawing in our Houston shop.
Twelve Point Flange Nut engineered for precision, durability, and secure fastening 1"-8 UNC-2B ASTM A193 Grade B16 Built for high strength, elevated temperature performance, and critical applications Designed to deliver reliability where it counts.
Nuts are machined from bar or hex stock, tapped to the thread class specified, and heat treated where the grade requires it. Heavy hex, jam, castellated, cap, seal and coupling patterns are turned in-house, so special dimensions cost no more than standard ones.
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 →
