Description
Product Types
The Full Bolts & Studs Range
Nuts
Nuts
Our nut range covers finished hex nuts, heavy hex nuts, nylon insert locknuts, hex flange nuts, coupling nuts and specialty designs, manufactured to ASTM A563 and SAE J995 grades to match every bolt and stud in our fastener range.
Finished Hex Nuts
| Nominal Size | Width Across Flats | Width Across Corners Max | Thickness Max |
|---|---|---|---|
| 1/4 | .438 | .505 | .226 |
| 5/16 | .500 | .577 | .273 |
| 3/8 | .562 | .650 | .337 |
| 1/2 | .750 | .866 | .448 |
| 5/8 | .938 | 1.083 | .559 |
| 3/4 | 1.125 | 1.299 | .665 |
| 1 | 1.500 | 1.732 | .887 |
✓ Grades 2, 5 and 8 available — other sizes on request.
SAE J995 · ASTM A563
Nylon Insert Locknuts
| Nominal Size | Height Max | Width Across Flats Max |
|---|---|---|
| 1/4-20 | .328 | .439 |
| 5/16-18 | .359 | .502 |
| 3/8-16 | .468 | .564 |
| 7/16-14 | .468 | .627 |
| 1/2-13 | .609 | .752 |
| 5/8-11 | .765 | .940 |
| 3/4-10 | .890 | 1.064 |
✓ Available in NE (fine) and NM (machine) thread series.
SAE J995
Ideal for Applications