ASTM A194 Grade 7 Quenched and tempered alloy steel heavy hex nuts

Heavy hex nut coatings include zinc, zinc yellow and hot dipped galvanized. We offer heavy hex nuts in standard (inch) and metric sizes ranging from ¼ to 4 inches.

Heavy hex nuts are slightly wider and thicker than the standard hex nut and they pair with large diameter, high strength, heavy hex bolts. Heavy hex nuts advantages include a greater length of thread engagement and better resistance to stretching or widening.

SIZE: 1/4" - 4", M6 -M100 .

STANDARD: ASME B18.2.2

THREAD: ASME B1.1 , UNC, UNF, UN8

FINISHED: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G.

A194 Grade 2:Carbon steel heavy hex nuts.

A194 Grade 2H:Quenched and tempered carbon steel heavy hex nuts.

A194 Grade 7:Quenched and tempered alloy steel heavy hex nuts.

A194 Grade 7L:Quenched and tempered alloy steel heavy hex nuts, Charpy impact tested.

A194 Grade 8:Stainless AISI 304 heavy hex nuts.

A194 Grade 8M:Stainless AISI 316 heavy hex nuts.

NOTE: There are other grades of A194. Those listed here are the ones we receive the most requests for. For information on other types, Please contact us.

Notes:
The markings shown for all grades of A194 nuts are for cold-formed and hot-forged nuts. When nuts are machined from bar stock, the nut must additionally be marked with the letter B. The letters H & M indicate heat-treated nuts.
Properties shown are those of coarse and 8-pitch thread heavy hex nuts.

Shanghai Powermax Fastener co. Ltd was established in 2008, located in Shanghai China,. For many years of export experience, our products has been best-selling in Europe, the United States, the Middle East and Southeast Asia. The products are manufactured by more functions machine, which is brought in domestic and foreign well-known enterprises. The products made are fully compatible with the international standards, well received by domestic and foreign customers. Through scientific management, Shanghai Powermax Fastener co. Ltd has been obtained ISO9000 certificate of Quality Managerment System, SGS and BV international certificate system of Make in China.

Product standards including DIN, ISO, GB and ASME/ANSI, BS, JIS AS. Main levels of carbon steel: 4.8, 4.8, 6.8, 8.8, 10.9, and 12.9 grade, the main material of stainless steel SS201, SS304, SS316 and various kinds of special stainless steel.

The width range of our products can be divided into auto fasteners, mechanical fasteners, construction fasteners, power fasteners, railway fasteners, household electrical appliances fasteners and chemical fasteners,

We have first-class service team, so we can meet the different requests for a set of customers. We solemnly commitment, first-grade quality, timely delivery guaranteed

Reasonable price and service paramount, forward to the operation principle of quality first and customer first, pursuit of excellence to create first-class brand, our aim is brand promoting development, management promoting earnings, warmly greeting home and abroad new and old customers to communicate and cooperate to seek greater success and brilliant future.