Special Double Head Hex Bolt with Drilled Holes Copper Coating

Name: Special Double Head Hex Bolt with Drilled Holes Copper Coating
Brand: Shanghai Kinsom Precision Hardware Co., Ltd.
SKU: 713613715

Shanghai, ChinaShanghai Kinsom Precision Hardware Co., Ltd.

US$0.10-1.00

10,000 Pieces

Sample price:US$80.00/bag.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Double Head

Model NO.

special screw

Connection

Common Bolt

Head Style

Double Head Bolts

Standard

DIN, ANSI, GB, JIS, Non-Standard and All Standard

Grade

4.8-12.9

Application

Machinery, Building

Finish

Copper Coating

Transport Package

Standard Packing

Specification

M6-M30

Trademark

kinsom fasteners

Origin

Shanghai China

HS Code

7318150000

Production Capacity

10000000PCS/Week

Key features

Customizable Fasteners: All non-standard fasteners can be customized according to specific drawings and requirements.

Wide Material Selection: Available in stainless steel, carbon steel, alloy steel, aluminum, brass, and titanium alloys.

Comprehensive Surface Treatment: Options include zinc, nickel, gold, black oxide, and colored plating for various corrosion needs.

OEM and ODM Services: Full OEM and ODM support available with cold forging capabilities based on customer designs.

Strict Quality Certification: Certified with ISO9001:2015, IATF16949:2016, and tested by SGS, ELV, ROHS, and REACH.

Extensive Size Range: Shank diameter from M1.7 to M30 and overall length from 6mm to 120mm.

High Grade Strength: Available in hardness grades ranging from 4.8 to 12.9 for diverse mechanical applications.

Professional Testing: In-house and third-party tests include proof load, torsional strength, and salt spray resistance.

Company profile

Quality Assurance100% Finished Products InspectionQA/QC InspectorsFull Customization

Shanghai Kinsom Precision Hardware Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading Company, Group Corporation CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2014-02-18 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier is a manufacturing-oriented fastener and precision-machining supplier rather than a professional technical or 3D software design provider. It offers broad customization, including sample-based, design-based, full, minor, and flexible customization, and operates more than 10 production lines with multiple machining and forming machines. Finished-product inspection instructions are uniformly followed, with quality assurance and raw-material traceability identified. However, the supplier has no written procedures or records for supplier-service assessment, corrective and preventive actions, or customer complaint handling. It has no overseas agents, branches, warehouse, showroom, or offline trade-show participation. Financial records are indicated for 2022–2024, but no assessable financial results are provided. Innovation evidence is limited: no new products were reported in the past year, although ODM services are available. No certification or customer-case evidence is provided.

After-Sales capabilityThe supplier has in-stock service capacity and states that quality assurance and raw-material traceability are in place. However, it has no written procedures or records for corrective and preventive actions or effective customer-complaint handling, and it has no overseas agents, branches, warehouse, or showroom, limiting documented after-sales support infrastructure.

R&D capabilityThe supplier reports no new products during the past year, no SDK availability, and no professional technical-supplier or 3D software-design capability. It does provide ODM services and has one year of total R&D engineer experience reported, but the overall evidence does not demonstrate strong ongoing innovation capacity.

Production capacityThe supplier operates more than 10 production lines and lists diverse forming, machining, drilling, grinding, and cutting equipment for nails, screws, bolts, and CNC parts. It reports in-stock capacity, one-month average lead times in both peak and off-season periods, uniformly followed finished-product inspection instructions, and 11 years of export experience. However, it lacks a valid manufacturing-capacity contract with associated subcontractors, so the evidence supports substantial production capability but not fully controlled outsourced capacity.

Customization capabilityThe supplier explicitly offers customization from samples, customization from customer designs, full customization, minor customization, and flexible customization. ODM service is also available, providing direct evidence of broad product customization capability despite the absence of 3D software design services.

Product Q&A

Q:What is your MOQ?

It depends on standard or customized fasteners. As usually, small order is acceptable.

Q:What price terms do you offer?

FOB, CIF, EXW and others ways according the your needs.

Q:How transport?

You can choose Sea Freight, Air Freight and others Express Delivery ways.

Q:What is the quality of your products guarantee?

We have passed ISO9001:2015 ISO 16949 Quality Management System Certification, test support in house with Dimension,Proof load test,Torsional strength test,Rockwell hardness,Superficial rockwell hardness,Vickers hardness,Salty spray Test,Tensile strength,Hydrogen embrittlement test ,And Third party test with ELV,SGS ,REACH and ROHS2.0. If the quliaty of the goods are not meet your requirements,you can exchange the goods for free.

Q:How can I order now?

Send a sample if you have no drawing.Click contact us,we are here to help you. Send a mail or call us by following details information,it will help us to give the best offer to you.