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Precision Fasteners for Global Industries

SHANGHAI KINSOM PRECISION HARDWARE CO., LTD is a leading manufacturer and exporter of custom cold-formed fasteners, including stainless steel bolts, screws, rivets, nuts, and precision metal parts. With over 30 years of industry expertise, we deliver high-quality, cost-effective fastening solutions to automotive, electronics, construction, and industrial sectors worldwide.

99.9%
On-Time Delivery
5%-15%
Cost Savings
100PPM
Defect Rate
Explore Products
Custom Fasteners for Electric Vehicles

About Kinsom Fasteners

A trusted name in precision hardware manufacturing with decades of experience delivering reliable fastening solutions across global industries.

Your Trusted Fastener Partner

SHANGHAI KINSOM PRECISION HARDWARE CO., LTD is a professional fasteners manufacturer and exporter specializing in standard and special cold-formed fasteners. We produce weld bolts and nuts, rivets, stainless steel screws, double-thread bolts, pins, hooks, and more.

Our comprehensive fastening solutions support one-stage purchasing for non-standard precision metal parts, machining components, and stamping parts—meeting the growing demand in local and overseas markets.

With over 30+ years of experienced staff, Kinsom serves the automotive, machinery, electronics, household, and construction industries with OEM/ODM capabilities and strict quality control.

ISO 9000 Certification Automotive Fasteners

Our Products

High-performance fasteners engineered for durability, precision, and reliability across diverse industrial applications.

Hex Flange Bolt

Hex Flange Bolt

Galvanized steel, NSS 240hrs, trivalent passivate coating, half-thread design for automotive use.

  • • Material: Galvanized Steel
  • • Coating: Zinc Clear Trivalent
  • • Grade: 8.8
Pan Head Philips Bolt

Pan Head Philips Bolt

Partial thread, cutting thread design, ideal for sheet metal and custom applications.

  • • Drive Type: Philips
  • • Finish: Dacromet Coated
  • • Custom Lengths Available
Stainless Steel Self-Tapping Screw

Stainless Steel Self-Tapping Screw

Pan head, Phillips drive, 304/316 SS, black zinc or sandblasted finish.

  • • Material: SS 304 / 316
  • • Coating: Black Zinc
  • • Application: Electronics, Construction
Custom Weld Bolt

Custom Weld Bolt

3-projection point, M6*22 / M8*25, Class 8.8, for automotive and structural welding.

  • • Type: Projection Weld Bolt
  • • Standards: Custom OEM
  • • Industries: Automotive, Machinery
Semi-Tubular Rivet

Semi-Tubular Rivet

Steel 08A/22A, knurled body, zinc or copper coating, for strong permanent joints.

  • • Material: Low Carbon Steel
  • • Finish: Zinc or Copper Coated
  • • Custom Knurling Options
Double Thread Bolt

Double Thread Bolt

Stud bolt with dual threads, steel grade 8.8, zinc or blackening finish.

  • • Grade: 8.8
  • • Finish: Zinc or Black Oxide
  • • Custom Thread Pitches
Socket Head Machine Screw

Socket Head Machine Screw

Stainless steel 304/316, hex socket, with blue nylon patch for vibration resistance.

  • • Drive: Hex Socket
  • • Feature: Nylon Patch Lock
  • • Standards: DIN 7982 Equivalent
Anti-Theft Fastener

Anti-Theft Fastener

Hexalobular internal flange with triangle thread, prevents unauthorized removal.

  • • Security: Tamper-Resistant
  • • Drive: Tri-Lobe / Hexalobular
  • • Ideal for Public Installations
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Our Capabilities

From concept to production, we offer end-to-end fastener solutions tailored to your exact specifications.

OEM/ODM

Full custom design and manufacturing support for unique fastener requirements.

Quality Control

ISO 9000 certified processes with 100PPM defect rate and rigorous testing.

Fast Delivery

99.9% on-time delivery with global logistics support and inventory management.

Cost Savings

Optimized production reduces costs by 5%-15% without compromising quality.

Frequently Asked Questions

What materials do you offer for fasteners?

We offer carbon steel, alloy steel, stainless steel (304, 316), aluminum, brass, and custom alloys based on application needs.

Can you produce custom fasteners?

Yes, we specialize in OEM/ODM custom fasteners. If it's not listed, just ask—we’ll solve your fastening challenges.

What industries do you serve?

We serve automotive, electronics, machinery, construction, household appliances, and industrial equipment sectors globally.

What certifications do you have?

We are ISO 9000 certified with strict quality control processes ensuring 100PPM defect rate and full traceability.

Get in Touch

Reach out for quotes, technical support, or custom fastener solutions.

Phone

(+86)-512-57889792

Email

tina@ksfasteners.com

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