3 1/4 -8 A194 2H Heavy Hex Nut Plain
3 1/4 -8 A194 2H Heavy Hex Nut Plain
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The 3 1/4 -8 A194 2H Plain Heavy Hex Nut is a dependable fastener for holding structures together. Made using 1045 medium-carbon steel that exceeds ASTM standards, this heavy hex nut is great for heavy-duty engineering and construction projects. Screws with a diameter over 1 ½ inches have a hardness rating of HRB 95 - HRC 35. For diameters under 1 ½ inches, the hardness rating is HRC 24-35.
With a 2H classification and a proof load strength of 175,000 psi, this heavy hex nut is suitable for high-strength bolting. Pair it with heavy bolts for building bridges, warehouses, towers and other commercial structures. Browse our wide selection of heavy hex nuts at FMW Fasteners today and buy the right tools for your projects.
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