Grade · 2H ; Material Standard · ASTM A194 ; Industry Standards · ASME B18.2.2 ; Other Physical Dimension · 0.669 - 0.688 IN Width Across Flat, 0.763 - 0.794 IN Width 

Tapped hole shall be countersunk on the bearing face or faces. The maximum countersink diameter shall be the thread basic (nominal) major diameter plus 0.030 in. for 3/8 in. nominal

3/8, 16, - ; 7/16, 14, - ; 1/2, 13, - ; 9/16, 12, - 

Heavy Hex Nut Size Table Chart per. ASME B18.2.2 ; 2.25. 3.500. 2.203 ; 2.5. 3.875. 2.453 ; 2.75. 4.250. 2.703 ; 3. 4.625. 2.953.

3 Heavy Hex Nuts. Heavy Hex Nuts are larger and thicker than standard (finished) hex nuts.The heavy hex pattern is typically used for large diameter and high strength bolts, and with certain high-strength grades of steel can be used with structural bolts in structural applications. 85 results, (click on any line for more information)

3"-8 8UN Thread A194 Grade 2H Heavy Hex Nut Medium Carbon Steel Black Oxide ; Wrench Size/Across Flats: 4 5/8" (4.475-4.625") ; Width Across Corners: 5.102-5.340".

Choose from our selection of grade 8 steel hex nuts in a wide range of styles and sizes. In stock and ready to ship. Thread Size. Thread Size. 0000-160. 000-120. 00-90. 0-80. 1-64. 1-72. 2-56. 2-64. 3-48. 3-56. 4-40. 4-48. 5-40. 5-44. 6-32. 6-40. 8-32 Also kown as heavy hex nuts, these nuts are about 10% wider and taller than standard

Nut; Size Width Width Thickness Nut; Size Across; Flats Across; Corners Basic 1/4 1/2 9/16 15/64 5/16 9/16 41/64 19/64

25 rows · 1-3/8: 2-3/16: 2.188: 2.119: 2.526: 2.416: 1-11/32: 1.378: 1.310: 1-1/2: 2-3/8: 2.375:

Heavy Hex Nuts are washer faced, are slightly larger and thicker than standard hex nuts. The heavy hex pattern is typically used for large diameter and high strength bolts. Finish: Plain & Galvanized Grades: A563 Grade A,C,C3,DH,DH3 & A194 Grade 2H Sizes: 1/2″ up to 4″ diameter Domestic or Foreign are available and in stock!

Bolt Diam Basic Max Min Max Min Basic Max Min Weight; (lbs.) Plain Galv 1⁄2 7⁄8 0.875 0.850 1.010 0.969 31⁄64 0.504 0.464 0.07 11729 11730 5⁄8 11⁄16 1.062 1.031 1.227 1.175 39⁄64 0.631 0.587 0.12 11731 11732 3⁄4 11⁄4 1.250 1.212 1.443 1.382 47⁄64 0.758 0.710 0.20 11733 11734