Home > Flange Nuts
Discover our range of Flange Nuts, featured prominently across our product pages. We supply top-quality solutions engineered to satisfy a wide range of technical needs. Celebrated for their longevity and outstanding performance, our flange nuts comply with strict industry benchmarks for strength and corrosion resistance. As a dependable seller, we place customer satisfaction first through convenience, competitive pricing, and rapid shipping. Whether used in automotive, aerospace, or construction settings, our flange nuts deliver dependability and durability, backing your success across any operational environment.
| Flange Nuts Size | M4 to M16 |
|---|---|
| Length of Serrated Flange Nuts | 6mm-500mm |
| SS Flange Nuts Thread Direction | Right Hand |
| Dia./Thread Size | 5/8″-11 |
| Width Across Flats | 1-1/16″ |
| Standard | DIN934 DIN936 DIN439 DIN555 A194 2H ASTM A563 JIS B1190, DIN 6923 |
| Grade | 4, 8, 10, AISI 2, AISI 5, AISI 8 |
| Application | Wind tower, Nuclear power, Railway, Automotive industry, Construction, Electronic industry |
| Material | 18-8 Stainless Steel, Stainless steel 201, stainless steel ss 304/ SS316 A2/A4, SS201, SS303, SS304, SS316, SS316L, SS904L, A2-70; A4-70; A4-80 |
| Thread Requirements | ASME B1.1, UNC & UNF, Class 2A (Fastenal will inspect and accept parts with a 1A no-go gauge) |
| Manufacturing Process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing |
| Coatings | Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request |
| Nominal Size | Basic Major Diameter of Thread | F | G | B | H | J | K | ||||
| Width Across Flats | Width Across Corners | Dia. Flange | Thickness Hex Nut | Wrenching Length | Flange Thickness | ||||||
| min | max. | min. | max. | min. | max. | min. | max. | min. | min. | ||
| Hex Flange Nuts | |||||||||||
| No.6 | 0.1380 | 0.302 | 0.312 | 0.342 | 0.361 | 0.406 | 0.422 | 0.156 | 0.171 | 0.10 | 0.02 |
| 8 | 0.1640 | 0.334 | 0.344 | 0.381 | 0.397 | 0.452 | 0.469 | 0.187 | 0.203 | 0.13 | 0.02 |
| 10 | 0.1900 | 0.365 | 0.375 | 0.416 | 0.433 | 0.480 | 0.500 | 0.203 | 0.219 | 0.13 | 0.03 |
| 12 | 0.2160 | 0.428 | 0.438 | 0.488 | 0.505 | 0.574 | 0.594 | 0.222 | 0.236 | 0.14 | 0.04 |
| 1/4 | 0.2500 | 0.428 | 0.438 | 0.488 | 0.505 | 0.574 | 0.594 | 0.222 | 0.236 | 0.14 | 0.04 |
| 5/16 | 0.3125 | 0.489 | 0.500 | 0.557 | 0.577 | 0.660 | 0.680 | 0.268 | 0.283 | 0.17 | 0.04 |
| 3/8 | 0.3750 | 0.551 | 0.562 | 0.628 | 0.650 | 0.728 | 0.750 | 0.330 | 0.347 | 0.23 | 0.04 |
| 7/16 | 0.4375 | 0.675 | 0.688 | 0.768 | 0.794 | 0.910 | 0.937 | 0.375 | 0.395 | 0.26 | 0.04 |
| 1/2 | 0.5000 | 0.736 | 0.750 | 0.840 | 0.866 | 1.000 | 1.031 | 0.437 | 0.458 | 0.31 | 0.05 |
| 9/16 | 0.5625 | 0.861 | 0.875 | 0.982 | 1.010 | 1.155 | 1.188 | 0.483 | 0.506 | 0.35 | 0.05 |
| 5/8 | 0.6250 | 0.922 | 0.938 | 1.051 | 1.083 | 1.248 | 1.281 | 0.545 | 0.569 | 0.40 | 0.05 |
| 3/4 | 0.7500 | 1.088 | 1.125 | 1.240 | 1.299 | 1.460 | 1.500 | 0.627 | 0.675 | 0.46 | 0.06 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your requirement.
We supply These Flange Nuts conforming to DIN, ISO, JIS or ANSI Standard.
Flange Nuts applications are as varied as the industries they support, driven mainly by the aerospace, railway, construction and automotive sectors, along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Yes,Flange nuts can be recycled. They are usually manufactured from materials like steel or stainless steel, both of which are highly recyclable. Recycling these materials helps preserve natural resources, cut down on energy use, and lessen environmental harm by keeping waste out of landfills and channeling it into the creation of new materials.