






Automobile Fasteners
Custom Carbon Steel Hex Bolts 4.8-12.9 Grade DIN ANSI Standard
Durable carbon steel hex bolts with anti-loosening dispensing feature. Custom sizes, coatings & standards (DIN/ANSI/GB). Salt spray tested, OEM available.
- Finish
- Color-Zinc Plated
- Certification
- IATF16949:2016, ISO9001:2015, RoHS
- Place of Origin
- China
Technical data
Specifications
| Place of Origin | China |
|---|---|
| Certification | IATF16949:2016, ISO9001:2015, RoHS |
| Model NO. | High-strength Dispensing Anti-loosening Hexagonal |
| Standard | DIN, ANSI, GB, JIS, BSW, GOST |
| Grade | As You Requirement |
| Application | Machinery, Chemical Industry, Environmental, Building |
| Finish | Color-Zinc Plated |
| Coating | Plain, Black, Galvanized, HDG, Etc. |
| Part Name | Screws And Bolts |
| Dimension | As Per Drawing Or Custom′s Sample |
Description
About this part
Custom Carbon Steel Black High-Strength Dispensing Anti-Loosening Hexagonal Bolts

Material Options
- Stainless Steel: SUS201, SS303, SS304, SS316, SS410, SS430
- Carbon Steel: C1018, C1022, 10B21
- Alloy Steel: 40Cr, SCM435
- Brass, Aluminum, Copper
- Custom materials available per requirements
Configuration Options
| Feature | Options |
|---|---|
| Head Style | Pan, Truss, Flat, Hexagonal, Round, HEX, Cheese, Binding, Oval |
| Drive Style | Phillips, Torx, Inner Hexagonal, Hexagonal, Plum, Cross, Slotted, Star |
| Thread Type | Self-tapping, Machine teeth (Coarse/Fine), Custom thread |
| Standards | DIN, ISO, ANSI, BSW, JIS, GOST, GB |
| Finish | Plated: Zinc, Zinc nickel alloy, Chrome, Silver, Gold, Brass, Tin Coating: Dacromet, MAGni, Geomet, Electrophoresis, Baking paint Passivation, Oxide: Black Oxide, Anodic oxidation |
Technical Specifications
- Fastener Performance: Carbon Steel: 4.8~12.9 grade; Stainless Steel: A2-70, A4-70, A4-80, A5-80; Hardening of carburized surfaces: HV400-HV550
- Anticorrosion: Customizable salt spray testing time: 12H to 840H
- Size Range: M0.6mm ~ M36mm
- Length Range: 1mm~600mm
- Environmental Compliance: Rohs, SCHV, MSDS, IMDS
Quality Assurance
- Performance test reports
- Salt spray test reports
- Dimensional inspection reports
- PPAP, PSW documentation
Screw Types Available
Tapping screws, Machine screws, Wood screws, Drywall screws, Cross recessed screws, Concrete screws, Torx screws, Hex cap screws, Hex socket head screws, Set screws, Shoulder screws, Thumb screws, Binding screws, Flange screws, Screw bolts, Standoff screws, Mini screws, and all custom products.
Ordering Information
| Quantity (pieces) | Lead Time (days) |
|---|---|
| 1 – 10,000 | 10 |
| 10,001 – 50,000 | 15 |
| 50,001 – 100,000 | 20 |
| > 100,000 | Negotiable |
Packaging & Shipping
- Independent carton, Self-sealing bag, Blister, Vacuum packaging, Pallet
- Fedex, DHL, UPS, or customer-specified carriers
About Lock Technology (Shenzhen) Co., Ltd.
Established in 2007 with an overseas sales company founded in 2013, we specialize in fastener and precision machined parts manufacturing. Our 40,000 square meter facility in Shenzhen houses over 1,000 production equipment units and 300+ inspection devices, with annual production exceeding $10 million.

Certifications
ISO9001, IATF16949, ISO14001, ISO45001 and other system certifications.
Global Reach
We’ve served 300+ customers across Europe, North America, South America, and Southeast Asia.
Frequently Asked Questions
Q1: Can you provide customized services?
Yes, we accept OEM/ODM services with 20+ years experience in custom non-standard screws. We can create product drawings based on your requirements.
Q2: Can you supply samples?
Free samples available for existing molds. New molds require customer coverage of mold and shipping costs.
Q3: How do you ensure quality?
Our QC department strictly follows ISO9001, IATF16949, and other standards. We provide drawings for approval and samples for confirmation before production.
Q4: What is the MOQ?
High-value products: 1,000-10,000pcs; Low-value products: 20,000pcs minimum. Trial orders accepted before mass production.

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