2-1/4"-12 UN-2B Heavy Hex Jam Nut
ASTM A194 Grade 2H. Machined to the customer's drawing in our Houston shop.
2-1/4"-12 UN-2B Heavy Hex Jam Nut ASTM A194 Grade 2H High-strength Grade 2H performance Durable construction for demanding, high-pressure applications Precision 12UN threading for secure and reliable engagement Innovation Fasteners, built to perform.
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: The standard heavy hex nut for A193 B7 studs — quenched and tempered carbon steel, 175 ksi proof load, 24 to 35 HRC. Read the A194 2H data page →
