ASTM A194 2H Hex Nuts
ASTM A194 2H Hex Nuts , Heavy Hex Nut , made of steel, ZP,black oxide or H.D.G, size 1/4″ – 3“ from professional Hexagon Nuts manufacturer in China.
ASTM A194 2H Heavy Hex Nuts, Gr. 2H Hex Nuts
Material: Steel;
Surface Treatment: Zinc plated, Black oxide, Dacromet; Teflon
Size: 1/4″ – 3″
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ASTM A194 2H Hex Nuts specification:
| Size | Across Flats | Across Corners | Thickness | |||||
| Basic | Max | Min | Max | Min | Basic | Max | Min | |
| 1/4 | 7/16 | .438 | .428 | .505 | .488 | 7/32 | .226 | .212 |
| 5/16 | 1/2 | .500 | .489 | .577 | .557 | 17/64 | .273 | .258 |
| 7/16 | 11/16 | .688 | .675 | .794 | .768 | 3/8 | .385 | .365 |
| 1/2 | 3/4 | .750 | .736 | .866 | .840 | 7/16 | .448 | .427 |
| 9/16 | 7/8 | .875 | .861 | 1.010 | .982 | 31/64 | .496 | .473 |
| 3/4 | 1-1/8 | 1.125 | 1.088 | 1.299 | 1.240 | 41/64 | .665 | .617 |
| 7/8 | 1-5/16 | 1.312 | 1.269 | 1.516 | 1.447 | 3/4 | .776 | .724 |
| 1-1/8 | 1-11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 31/32 | .999 | .939 |
| 1-3/8 | 2-1/16 | 2.062 | 1.994 | 2.382 | 2.273 | 1-11/64 | 1.206 | 1.138 |
| 1-1/2 | 2-1/4 | 2.250 | 2.175 | 2.598 | 2.480 | 1-9/32 | 1.40 | 1.245 |
| 1-3/4 | 2-5/8 | 2.625 | 2.538 | 3.031 | 2.893 | 1-1/2 | 1.540 | 1.460 |
| 2 | 3 | 3.000 | 2.900 | 3.464 | 3.306 | 1-23/32 | 1.763 | 1.675 |
| 2-1/4 | 3-3/8 | 3.375 | 3.263 | 3.897 | 3.719 | 1-15/16 | 1.986 | 1.890 |
| 2-3/4 | 4-1/8 | 4.125 | 3.988 | 4.763 | 4.546 | 2-3/8 | 2.431 | 2.319 |
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