






Automobile Fasteners
Custom Stainless Steel T Bolts 4mm-300mm for Automotive Fastening
Durable stainless steel T bolts for automotive applications. Custom sizes, coatings, and finishes available. RoHS compliant with performance testing.
- Certification
- ISO9001,IATF16949,etc.
- Place of Origin
- China
Technical data
Specifications
| Place of Origin | China |
|---|---|
| Certification | ISO9001,IATF16949,etc. |
| Model NO. | Customized Square Head T Bolts |
| Grade | Customized As Your Requirements |
| Coating | Plain, Black, Galvanized, HDG, Etc. |
| Dimension | As Per Drawing Or Custom′s Sample |
| Durability | Long-lasting |
| Size Type | Metric/INCH/ASME |
| Quantity | Sold In Bulk Or Individual Pieces |
| Length | 4mm-300mm |
| Authentication | Rohs |
| Apply | Automobile Industry |
| Strength Grade | 8.8, 10.9, 12.9 |
| Thread Type | Coarse, Fine |
| Quality | Provide Performance Testing |
| Type | Screw, Bolt, Nut, Washer |
| Specifications | M1.0-M18 |
| Standard | ISO/ANSI/DIN/BSW/JIS/GOST/GB |
Description
About this part
Automotive Stainless Steel T Bolts Custom Fastening Solutions

Material Options
- Stainless Steel: SUS201, SS303, SS304, SS316, SS410, SS430
- Carbon Steel: C1018, C1022, 10B21
- Alloy Steel: 40Cr, SCM435
- Brass, Aluminum, Copper
- Customized materials available
Customization 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 |
| Finishes | 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
| Specification | Details |
|---|---|
| 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: 12H to 840H |
| Size Range | M0.6mm to M36mm |
| Length Range | 1mm to 600mm |
| Environmental Compliance | RoHS, SCHV, MSDS, IMDS |
Quality Assurance
- Performance test reports
- Salt spray test reports
- Dimensional inspection reports
- PPAP, PSW documentation
Product Types
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.
Logistics & Ordering
| Service | Details |
|---|---|
| Transportation | FedEx, DHL, UPS, or customer-specified |
| Packaging | Independent carton, Self-sealing bag, Blister, Vacuum packaging, Pallet |
| Samples | Free samples available, small batch trial orders accepted |
| Lead Time | Samples: 5-7 days; Mass production: 15-25 days (negotiable) |
| MOQ | Stock products: 500pcs min; Custom products: 5000pcs min (negotiable) |
Company Profile
Lock Technology (Shenzhen) Co., Ltd. specializes in fastener and precision machined parts manufacturing since 2007. With a 40,000 sqm facility in Shenzhen and over 1,000 production machines, we serve automotive, electronics, appliances, medical, and communication industries.
Our products meet ISO9001, IATF16949, and ISO14001 standards, exported globally to Europe, America, Africa, and Southeast Asia with annual sales exceeding $10 million.
Our Advantages

Packaging & Shipping
| Quantity (pieces) | Lead Time (days) |
|---|---|
| 1 – 10,000 | 10 |
| 10,001 – 50,000 | 15 |
| 50,001 – 100,000 | 20 |
| > 100,000 | Negotiable |
Global Reach
We’ve served over 300 customers across 20+ countries in Europe, North America, South America, and Southeast Asia.

Frequently Asked Questions
Q: Can you provide customized services?
A: Yes, we offer OEM/ODM services with 20+ years experience in custom fasteners. We can create product drawings based on your requirements if needed.
Q: Can you supply samples?
A: Free samples are available for existing molds. For new designs, mold and shipping costs apply.
Q: How do you ensure quality?
A: Our QC department strictly follows ISO9001, IATF16949 standards with PPAP, MSDS documentation. We provide drawings for approval and samples for final confirmation.
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