Leader-Fastener® is a manufacturer and distributor of ASME B18.10 Square Nut. We have a complete line of service from having invested in production plants, export department and to having a quality control team and center to meet your requirements. We regard quality as the life of the company. We persist in good quality as the first policy and have established a set of quality control and inspection system according to the international standard. We have carried out ISO9001 Quality Guarantee System in every course of production, transportation and selling. We do hope we could be your partner in business by topping quality, knight service and competitive price in the near future and be your friends as well.
Leader-Fastener® ASME B18.10 Square Nut, a square nut, or square head nut, is a four-sided nut that is designed for use with a square head bolt and flat washer. Square nuts offer greater surface contact with the part being fastened compared to a standard hex nut, and therefore provide greater resistance to loosening.
Material : Carbon steel, Stainless steel, Alloy Steel, Brass.
Finishment: Black, Zinc Plated, Zinc Yellow, HDG, Phosphate, DACROMET, Geomet, Magin, Ruspert, Teflon, etc.
Screw Thread D |
3/4 | 7/8 | 1 | 1-1/8 | |
PP | UNC | 10 | 9 | 8 | 7 |
s | Nominal Size | 1-1/4 | 1-7/16 | 1-5/8 | 1-13/16 |
max | 1.2500 | 1.4375 | 1.6250 | 1.8125 | |
min | 1.212 | 1.394 | 1.575 | 1.756 | |
k | max(Grade DH) | 0.774 | 0.901 | 1.028 | 1.115 |
min(Grade DH) | 0.710 | 0.833 | 0.956 | 1.079 | |
max(Grade C) | 0.901 | 1.028 | 1.155 | 1.282 | |
min(Grade C) | 0.833 | 0.956 | 1.079 | 1.187 | |
c | Nominal Size | 1/4 | 1/4 | 3/8 | 1/2 |