Double Thread Stud Bolt - Zinc Coated Carbon Steel 8.8 Grade Custom Fasteners
Kinsom Fasteners Group specializes in manufacturing high-quality fasteners with over 20 years of industry experience. Our team of qualified professionals ensures we deliver superior custom fastener solutions for diverse industrial applications.
Trusted Manufacturing Partner
As a stable and reliable supplier to automotive, construction, agricultural machinery, bicycle, and motorcycle industries, we collaborate with renowned brands including Geely, Chevrolet, GM, and BYD Auto as Tier 1 and Tier 2 partner.
Quality Assurance & Certifications
Our state-of-the-art facility features multiple station cold forging machines and machining processes, complemented by a professional inspection laboratory. Certified under ISO9001 and IATF 16949 quality systems, all fasteners undergo ROHS and ELV testing with 100% optical sorting and mechanical properties testing at PPAP Level III.
Product Specifications
| Specification |
Details |
| Customization |
According to customer requirements |
| Standards |
JIS, DIN, ANSI, ISO, BS, GB, Non-standard available |
| Hardness/Heat Treatment |
Class 4.8-12.9 |
| Shank Type |
Full thread / Partial thread / No thread |
| Drivers |
Slotted, six-lobe, pozi driver, square, triangle, 8 point, phillips |
| Head Type |
Flat, oval, truss, PF round, button, pan (JIS/ANSI), fillister, square |
| Surface Treatment |
Zinc, nickel, gold brass, black/black oxide, etc. |
| Shank Diameter |
M1.2-M30 (customized to your needs) |
| Overall Length |
6-120mm (customized up to 1000mm) |
| Salt Spray Test |
24hr-1000hr |
| Testing Equipment |
Automatic Optic Inspector, Projecting Apparatus, Salt Spray Test, Hardness/Tensile Machine |
| Certifications |
SGS, RoHS, Material Certification, PPAP |
Service Details
- Samples: Accepted - we provide samples for your approval
- Packaging: Arranged in rows in corrugated boxes, palletized, or according to customer requests
- Delivery Terms: EXW, FOB, CIF, CNF
- Lead Time: Samples 10-15 workdays, Mass production 15-20 workdays after payment
- Payment Terms: L/C, T/T, Paypal, Cash, Western Union
Kinsom Fasteners is dedicated to ensuring your production runs smoothly with superior quality products and excellent service. Our expertise, unique manufacturing processes, and commitment to complete customer satisfaction guarantee the finest craftsmanship at competitive factory-direct prices.
