Leader-Fastener® is a manufacturer and distributor of DIN 928 Weld Nuts. 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® DIN 928 weld nuts is a non-piloted square nut with four uniform projections. The Din 928 weld nut is easily fixtured for rapid welding by a locator pin in the electrode. They are manufactured to DIN 928 Specifications, weight Per Thousand: 15 lbs. DIN 928 Square Weld Nuts are square nuts with internal machine screw threads and four weld projections, one at each corner. Supplied in plain finish (unplated without a rust inhibitor) steel and stainless steel. Thread tolerance is 6G; right-hand threads are standard. If a nut with three weld projections is a better fit for your application, consider DIN 929.
Material : Carbon steel, Stainless steel, Alloy Steel, Brass.
Finishment: Black, Zinc Plated, Zinc Yellow, HDG, Phosphate, DACROMET, Geomet, Magin, Ruspert, Teflon, etc.
Thread Size D |
M4 | M5 | M6 | M8 | M10 | 7/16 ① | 7/16 ① | M12 | M14 | M16 | |
P | Coarse Thread | 0.7 | 0.8 | 1 | 1.25 | 1.5 | / | / | 1.75 | 2 | 2 |
Fine Thread -1 | / | / | / | 1 | 1 | / | / | 1.25 | 1.5 | 1.5 | |
Fine Thread -2 | / | / | / | / | 1.25 | 20 | 20 | 1.5 | - | - | |
b | Nominal size | 0.8 | 1 | 1.2 | 1.5 | 1.8 | 1.8 | 2 | 2 | 2.5 | 2.5 |
max | 0.95 | 1.15 | 1.35 | 1.65 | 2 | 2 | 2.2 | 2.2 | 2.7 | 2.7 | |
min | 0.65 | 0.85 | 1.05 | 1.35 | 1.6 | 1.6 | 1.8 | 1.8 | 2.3 | 2.3 | |
d1 | min=nominal size (H13) | 5 | 6 | 7.5 | 10 | 12.5 | 12.5 | 13.5 | 13.5 | 16.8 | 18.8 |
max | 5.18 | 6.18 | 7.72 | 10.22 | 12.77 | 12.77 | 13.77 | 13.77 | 17.07 | 19.13 | |
d2 | max | 4.2 | 5.25 | 6.3 | 8.4 | 10.5 | 11.7 | 11.7 | 12.6 | 14.7 | 16.8 |
d3 | min | 6.4 | 8.2 | 9.1 | 12.8 | 15.6 | 15.6 | 17.4 | 17.4 | 20.4 | 22.4 |
e | min | 9 | 12 | 13 | 18 | 22 | 22 | 25 | 25 | 28 | 32 |
h1 | Nominal Size | 0.6 | 0.8 | 0.8 | 1 | 1.2 | 1.2 | 1.4 | 1.4 | 1.4 | 1.6 |
max | 0.7 | 0.9 | 0.9 | 1.1 | 1.3 | 1.3 | 1.5 | 1.5 | 1.5 | 1.7 | |
min | 0.5 | 0.7 | 0.7 | 0.9 | 1.1 | 1.1 | 1.3 | 1.3 | 1.3 | 1.5 | |
h2 | min | 0.4 | 0.6 | 0.7 | 1.1 | 1.25 | 1.25 | 1.75 | 1.75 | 1.75 | 2 |
max | 1.3 | 1.5 | 1.8 | 2 | 2.2 | 2.2 | 3 | 3 | 3.2 | 4 | |
m | max=nominal size (h13) | 3.5 | 4.2 | 5 | 6.5 | 8 | 9 | 9 | 9.5 | 11 | 13 |
min | 3.2 | 3.9 | 4.7 | 6.14 | 7.64 | 8.64 | 8.64 | 9.14 | 10.57 | 12.57 | |
s | max=nominal size (h13) | 7 | 9 | 10 | 14 | 17 | 17 | 19 | 19 | 22 | 24 |
min | 6.64 | 8.64 | 9.64 | 13.57 | 16.57 | 16.57 | 18.48 | 18.48 | 21.48 | 23.48 | |
per 1000 units≈kg | 0.81 | 1.7 | 2.4 | 6.5 | 11.3 | 12.5 | 16.5 | 16.5 | 26.7 | 35.8 | |
Ensure the load(N) | Coarse Thread | 6800 | 11000 | 15500 | 28300 | 44800 | - | - | 65300 | 89700 | 123000 |
Fine Thread -1 | - | - | - | 30200 | 50200 | - | - | 72100 | 97500 | 132000 | |
Fine Thread -2 | - | - | - | - | 47800 | 53600 | 53600 | 68200 | - | - |
①,Inch:7/16-20 UNF-2B [ASME B 1.1]
②,Material:
Steel with a carbon mass fraction not exceeding 0.25% , Other types of steel by agreement