Coupling Nut/Hex Coupling Nuts

August 02, 2025

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  • Material: Carbon Steel
  • Connection: Common Bolt
  • Standard: DIN
  • Finish Options for M6-M36: Finish Passivation, Chromium Plating, Zinc Plating
  • Packaging: 25kg per Carton, then on Euro Pallets
  • Origin: Ningbo, China
  • Type: Hexagon Head
  • Head Style: Hexagonal
  • Grade: 6.8
  • Trademark: NGL
  • Specification: M6-M36
  • HS Code: 7318151001

Coupling Nut/Hex Coupling Nuts
I’d like to introduce our company to you. We are a professional manufacturer based in China, specializing in high-strength fasteners and a wide range of hardware products. With years of experience in production, we ensure quality, reliability, and competitive pricing due to being a direct manufacturer. Our main products include bolts, nuts, screws, washers, shims, and more. We also offer custom solutions based on your specific needs. If you're interested in our hex coupling nuts or any other products, feel free to reach out without hesitation. Basic Info: - Model No.: M6-M36 - Type: Hexagon Head - Head Style: Hexagonal - Material: Carbon Steel - Standard: DIN - Connection: Common Bolt - Grade: 6.8 - Size: M6-M36 - Export Markets: Global - Trademark: NGL - Packing: Carton + Pallet - Origin: China - HS Code: 7318151001 - Production Capacity: 20 tons/week Product Description: - Material: Carbon Steel - Surface Finish: Passivation, Chromium Plating, Zinc Plating, HDG, Dacromet, Black - Size: M6-M36 - Mechanical Properties: Grade 6.8 - Packing: Bulk, Box, or as per customer request, then on pallets If you're interested in our hex coupling nuts, please don’t hesitate to contact me. I look forward to building a long-term business relationship with you. Best regards, Nancy
Main Products Introduction
StandardDIN, JIS, ANSI, BSW, GB, ISO
Head TypeFlat, JIS Pan, Oval, Round, Binding, I.HD, Brazier, PF.HD, Button, Cheese
Fillister, Ansi.Pan, Pan Washer, Indented Hex Washer
Screw DriversPhillips, Slotted, Phillips/Slot, Six-Lobe, Square, Crossed, Y-Type, Pozidriv
Square-Slot, Phillips/Square, Triangle, Double-V, Tri-Wing, Spanner, Clutch, etc.
Raw Material1. Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420
2. Steel: C45 (K1045), C46 (K1046), C20
3. Brass: C36000 (C26800), C37700 (HPb59), C38500 (HPb58)
4. Bronze: C51000, C52100, C54400, etc.
5. Titanium: GR1, GR2, GR5, etc.
6. Aluminum: Al6061, Al6063, etc.
7. Carbon Steel: C1006, C1010, C1018, C1022, C1035K, C1045
8. Alloy Steel: SCM435, 10B21
Surface FinishZn-Plated, Ni-Plated, Passivated, Tin-Plated, Sandblast, Anodize, Chromate,
Polish, Electro Painting, Black Anodize, Plain, Chrome Plated, Hot Dip Galvanize (HDG)
Normal DiameterM6-M36 or as per customer requirements
Heat TreatmentTempering, Hardening, Spheroidizing, Stress Relieving
Manufacturing ProcessHeading/Washer Assembly/Threading/Secondary Machining/Heat Treatment/Plating/Anti-Slip/Baking/QA/Packaging/Shipping

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