This combination of features makes the 1 1/2-6 Grade 2 finished hex nut zinc plated an excellent choice for reliable fastening needs

5/8-18 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated

Several head styles and anchor materials are available

3/4-10 x 7 A307 Grade A Carriage Bolt Zinc Plated

7/8-14 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

3 1/4 -8 A194 2H Heavy Hex Nut Plain 3/4-10 Flat Socket Cap Screws Alloy This combination of features makesThe 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 inches have a hardness rating of HRB 95 HRC 35. For diameters under 1 inches, the hardness rating is HRC 24 35. With a 2H classification and a proof load strength of 175,000 psi,