Products
DIN 934 Hex Nut
- Complies with ISO 4032, DIN 934, ANSI B18.2.2; universal standard locking fasteners
- Material: Carbon steel (45#), stainless steel (304/316), brass; strength grades 4.8–12.9
- Structure: Hexagonal profile + standard thickness + coarse/fine internal thread
- Surface treatments: Zinc plating, black oxide, passivation, hot-dip galvanizing
- Size M2–M36 (matches standard bolts)
DIN 935 Hexagon Slotted and Castle Nut
- Complies with ISO 8673, DIN 935, ANSI B18.2.2; high-reliability anti-loosening fasteners
- Material: Carbon steel (45#), alloy steel (42CrMo), stainless steel (304/316); strength grades 4.8–12.9
- Structure: Hexagonal body + top axial slots (3–6 slots) + internal coarse/fine thread
- Surface treatments: Zinc plating, black oxide, passivation, hot-dip galvanizing
- Size M5–M36 (matches bolts with cotter pin holes)
DIN 975 Thread Rod
- Standard: Complies with ISO 4762, DIN 975, ANSI B18.31.1; general-purpose threaded fastener
- Material: Carbon steel (Q235/45#), stainless steel (304/316), alloy steel (40Cr); strength grades 4.8/8.8/10.9 available
- Structure: Full-thread long rod + optional chamfered ends (for easy assembly)
- Surface Treatment: Carbon steel (zinc plating, Dacromet, black oxide); stainless steel (passivation)
- Size: Nominal diameter M3–M56, length 100–6000mm; metric/inch thread specifications optional
DIN1587 Hexagon Domed Cap Nuts, High Type
- Complies with ISO 4033, DIN 1587 (high type), ANSI B18.2.2; high-protection decorative fasteners
- Material: Carbon steel (45#), stainless steel (304/316), brass; strength grades 4.8–9
- Structure: Hexagonal body + high domed closed top (taller than low-type) + internal coarse/fine thread
- Surface treatments: Zinc plating, black oxide, passivation, chrome plating
- Size M2–M36 (matches standard bolts)
DIN251 Hexagon Socket Head with Serrated Flange Screws
1.Complies with DIN 251, ANSI B18.2.1M; serrated flange hex socket fasteners.
2.Material: Carbon steel (45#), stainless steel (304/316), alloy steel (42CrMo); strength grades 4.8–12.9.
3.Structure: Hex socket head + serrated flange (integrated) + full/half thread.
4.Surface treatments: Zinc plating, black oxide, passivation
5.Size M4–M16, length 6–50mm
DIN315 Wing Nuts Butterfly Nut
- Complies with ISO 3161, DIN 315, ANSI B18.17; hand-operated quick-lock fasteners
- Material: Carbon steel, stainless steel (304), plastic, brass; strength grades 4.8–8.8
- Structure: Double wing-shaped head (for hand twisting) + internal coarse/fine thread
- Surface treatments: Zinc plating, black oxide, passivation
- Size M3–M16 (matches standard bolts)
DIN439 Hexagon Thin Nut
Hexagon Thin Nut
- Complies with ISO 4035, DIN 439, ANSI B18.2.2; space-saving locking fasteners
- Material: Carbon steel (45#), stainless steel (304/316), brass; strength grades 4.8–10.9
- Structure: Hexagonal profile + thin thickness (1/2–2/3 of standard nuts) + internal thread
- Surface treatments: Zinc plating, black oxide, passivation;\
- Size M2–M24 (matches standard bolts)
DIN557 Square Nut
- Complies with ISO 8992, DIN 557, ANSI B18.2.2; universal anti-rotation locking fasteners
- Material: Carbon steel (45#), stainless steel (304/316), brass; strength grades 4.8–12.9
- Structure: Square profile + standard thickness + internal coarse/fine thread
- Surface treatments: Zinc plating, black oxide, passivation, hot-dip galvanizing
- Size M2–M36 (matches standard bolts)
DIN562 Square Thin Nut
- Complies with ISO 4036, DIN 562, ANSI B18.2.2; space-saving anti-rotation fasteners
- Material: Carbon steel (45#), stainless steel (304/316), brass; strength grades 4.8–10.9
- Structure: Square profile + thin thickness (1/2–2/3 of standard square nuts) + internal thread
- Surface treatments: Zinc plating, black oxide, passivation
- Size M2–M24 (matches standard bolts)
DIN571 Hex Head Wood Screw
- Complies with ISO 7048, ANSI B18.2.1, DIN 571; general-purpose wood fasteners
- Material: Carbon steel (1018), stainless steel (304); strength grades 4.8–8.8
- Structure: Hex head + wood-optimized coarse thread + sharp tapered tip (full thread)
- Surface treatments: Zinc plating, phosphate coating, black oxide
- Size M3–M10, length 16–100mm (for solid wood/engineered wood)
DIN6334 Long Hex Coupling Nut
- Complies with ISO 8673, DIN 6334, ANSI B18.2.2; bolt extension/docking fasteners
- Material: Carbon steel (45#), stainless steel (304/316), alloy steel (42CrMo); strength grades 4.8–12.9
- Structure: Long hexagonal body + full-through internal thread (coarse/fine) + end chamfers (for guiding)
- Surface treatments: Zinc plating, black oxide, passivation, hot-dip galvanizing
- Size M4–M36, length 10–100mm (longer than standard nuts)
DIN6796 Conical Spring Washer
- Complies with ISO 7084, DIN 6796, ANSI B18.21.1; anti-loosening fastener accessories.
- Material: Carbon steel, stainless steel (304/316), alloy steel; elastic-grade variants available.
- Structure: Conical annular body (open/closed type) + central through hole (matching bolt diameter).
- Surface treatments: Carbon steel (zinc plating, black oxide), stainless steel (passivation);
- Size: aperture M2–M36, thickness 0.8–5mm, cone height 0.3–3mm