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DIN917 Hexagon Cap Nuts
DIN917 Hexagon Cap Nuts

DIN917 Hexagon Cap Nuts, Low Type

  1. Complies with ISO 4033, DIN 917, ANSI B18.2.2; low-profile decorative & protective fasteners
  2. Material: Carbon steel (45#), stainless steel (304/316), brass; strength grades 4.8–10.9
  3. Structure: Hexagonal body + low-height cap (thinner than standard cap nuts) + closed top + internal thread
  4. Surface treatments: Zinc plating, black oxide, passivation, chrome plating
  5. Size M2–M24 (matches standard bolts)
DIN986 Self-Locking Domed Cap Nut
DIN986 Self-Locking Domed Cap Nut

DIN986 Self-Locking Domed Cap Nut

  1. Complies with ISO 10511 (self-locking) + ISO 4033 (domed cap), DIN 986, ANSI B18.16.6；integrated anti-loosening, protective & decorative fasteners
  2. Material: Carbon steel (45#), stainless steel (304/316), brass; strength grades 4.8–10.9
  3. Structure: Hexagonal body + domed closed top + internal nylon insert (self-locking core) + coarse/fine thread
  4. Surface treatments: Zinc plating, black oxide, passivation, chrome plating
  5. Size M2–M36 (matches standard bolts)
Heavy Hex Nut
Heavy Hex Nut

Heavy Hex Nut

  1. Complies with ISO 4032, DIN 934 (heavy type), ANSI B18.2.2; heavy-duty locking fasteners
  2. Material: Carbon steel (45#), alloy steel (42CrMo), stainless steel (304/316); strength grades 8.8–12.9
  3. Structure: Hexagonal profile (wider across flats) + increased thickness + coarse/fine internal thread
  4. Surface treatments: Zinc plating, black oxide, hot-dip galvanizing, passivation
  5. Size M6–M36 (matches heavy hex bolts)
High-quality stainless steel hex socket screw thread insert nuts for secure fastening.
Hex socket screw thread insert nut for secure fastening.

Hex Socket Screw Thread Insert Nut

  1. Complies with ISO 8787, DIN 8140, ANSI B18.29.2; thread reinforcement insert fasteners
  2. Material: Carbon steel, stainless steel (304/316), brass
  3. Surface treatments: Zinc plating, passivation, nickel plating
  4. Structure: Hex socket (for installation torque) + external thread/knurled body + internal precision thread
  5. Size: Internal thread M3–M20, external thread matching, length 6–30mm (for soft materials like aluminum, plastic, wood)
Hexagon weld nut for secure welding and fastening in mechanical assemblies.
High-quality hexagon weld nut for secure fastening.

Hexagon Weld Nut

  1. Complies with ISO 14544, DIN 929, ANSI B18.2.4.2M; permanent welding-type locking fasteners
  2. Material: Carbon steel (45#), alloy steel (42CrMo), stainless steel (304); strength grades 4.8–12.9
  3. Structure: Hexagonal body + welding boss/groove (for solder penetration) + internal coarse/fine thread
  4. Surface treatments: Black oxide, pickling (pre-welding), zinc plating (post-welding)
  5. Size M3–M36 (matches standard bolts)
Keps Lock Nut with External Tooth Washer K Nut
Keps Lock Nut with External Tooth Washer K Nut

Keps Lock Nut with External Tooth Washer K Nut

  1. Integrated anti-loosening locking fasteners
  2. Material: Carbon steel (45#), stainless steel (304/316); strength grades 4.8–10.9
  3. Structure: Hexagonal body + one-piece external tooth washer (serrated) + internal coarse/fine thread
  4. Surface treatments: Zinc plating, black oxide, passivation
  5. Size M3–M24 (matches standard bolts)
Nylon Insert Lock Nut
Nylon Insert Lock Nut

Nylon Insert Lock Nut

  1. Complies with ISO 10511, DIN 985, ANSI B18.16.6; self-locking anti-loosening fasteners
  2. Material: Carbon steel (45#), stainless steel (304/316), brass; strength grades 4.8–10.9
  3. Structure: Hexagonal body + internal nylon insert (elastic) + coarse/fine internal thread
  4. Surface treatments: Zinc plating, black oxide, passivation
  5. Size M2–M36 (matches standard bolts)
Square Nut Rhombic Nut
Square Nut Rhombic Nut

Rhombic Nut

  1. Space-saving anti-rotation fasteners
  2. Material: Carbon steel (45#), stainless steel (304/316), brass; strength grades 4.8–9
  3. Structure: Rhombic (diamond-shaped) profile + standard/thin thickness + internal coarse/fine thread
  4. Surface treatments: Zinc plating, black oxide, passivation;
  5. Size M2–M24 (matches standard bolts)
Round Coupling Nut Connecting Nut
Metal round coupling nuts for mechanical connections, high-quality hardware components.

Round Coupling Nut Connecting Nut

  1. Bolt extension/docking fasteners
  2. Material: Carbon steel, stainless steel (304/316), brass; strength grades 4.8–10.9
  3. Structure: Cylindrical (round) body + full-through internal thread (coarse/fine) + chamfered ends
  4. Surface treatments: Zinc plating, black oxide, passivation, chrome plating
  5. Size M4–M36, length 10–80mm
Square Cage Nut
Square Cage Nut for secure mounting in equipment enclosures.

Square Cage Nut

  1. Sheet metal quick-install fasteners
  2. Material: Carbon steel, stainless steel (304), brass; strength grades 4.8–10.9
  3. Structure: Square outer cage + internal threaded insert + spring clip/claw (for clamping)
  4. Surface treatments: Zinc plating, passivation, black oxide
  5. Size M3–M12 (matches standard bolts), square size 8–20mm
Square Weld Nut
Set of three square weld nuts for secure fastening in mechanical and hardware projects.

Square Weld Nut

  1. Permanent anti-rotation welding fasteners
  2. Material: Carbon steel (45#), stainless steel (304), alloy steel (42CrMo); strength grades 4.8–12.9
  3. Structure: Square body + welding boss/groove (for solder penetration) + internal coarse/fine thread
  4. Surface treatments: Black oxide, pickling (pre-welding), zinc plating (post-welding)
  5. Size M3–M36 (matches standard bolts)
Tee Nuts with Prong
Tee Nuts with Prong

Tee Nuts with Prong

  1. Wood/plate-specific embedded fasteners
  2. Material: Carbon steel, stainless steel (304), brass; strength grades 4.8–8.8
  3. Structure: T-shaped body (square/circular head) + multiple prongs (sharp spikes) + internal precision thread
  4. Surface treatments: Zinc plating, passivation, black oxide
  5. Size M3–M12, prong length 3–10mm (for solid wood/MDF/particleboard)