Automobile Fasteners
Premium Black Double-Headed Self-Tapping Screws with Customizable Dimensions for Versatile Applications
High quality Premium Black Double-Headed Self-Tapping Screws with Customizable Dimensions for Versatile Applications from China, China's leading product market Black Coating Self-Tapping Screws product, with strict quality control Customizable Dimensions Double-Headed Screws factories, producing hig
- Lead Time
- Samples: 5-7 Days; Mass Production: 15-25 Days
Technical data
Specifications
| Material Options | Stainless Steel, Carbon Steel, Alloy Steel, Brass, Aluminum, Copper |
|---|---|
| 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 Teeth, Fine Teeth), Custom Thread |
| 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 Requirement | Customizable Salt Spray Testing Time: 12H, 24H, 48H, 96H, 196H, 240H, 480H, 720H, 840H |
| Size Range | M0.6mm, M0.8mm ~ M36mm |
| Length Range | 1mm~600mm |
| Production Capacity | 500000 Piece/Pieces Per Day |
| Coating Options | Plain, Black, Galvanized, HDG, Zinc, Zinc Nickel Alloy, Chrome, Silver, Gold, Brass, Tin, Dacromet, MAGni, Geomet, Electrophoresis, Baking Paint |
| Finish Options | Plated, Passivation, Oxide (Black Oxide, Anodic Oxidation) |
| Environmental Data | Rohs, SCHV, MSDS, IMDS |
| Quality Test | Performance Test Report, Salt Spray Test Report, Dimensional Inspection Report, PPAP, PSW |
| Screw Type | 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 |
| Lead Time | Samples: 5-7 Days; Mass Production: 15-25 Days |
Description
About this part
Premium Black Double-Headed Self-Tapping Screws
High-quality black double-headed screws with self-tapping machine thread designed for versatile industrial applications.
Product Specifications
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.
Head Styles
Pan, Truss, Flat, Hexagonal, Round, HEX, Cheese, Binding, Oval
Drive Styles
Phillips, Torx, Inner Hexagonal, Hexagonal, Plum, Cross, Slotted, Star
Thread Types
Self-tapping, Machine teeth (Coarse teeth, Fine teeth), Custom thread specifications
Standards
DIN, ISO, ANSI, BSW, JIS, GOST, GB and other international standards
Finishing Options
Plated: Zinc, Zinc nickel alloy, Chrome, Silver, Gold, Brass, Tin. Coating: Dacromet, MAGni, Geomet, Electrophoresis, Baking paint. Passivation; Oxide: Black Oxide, Anodic oxidation
Performance Grades
Carbon Steel: 4.8~12.9 grade; Stainless Steel: A2-70, A4-70, A4-80, A5-80; Hardening of carburized surfaces: HV400-HV550. Custom specifications available.
Customization & Quality
Anticorrosion Protection
Customizable salt spray testing: 12H, 24H, 48H, 96H, 196H, 240H, 480H, 720H, 840H
Size Range
Diameter: M0.6mm, M0.8mm ~ M36mm | Length: 1mm~600mm
Environmental Compliance
RoHS, SCHV, MSDS, IMDS certified
Quality Testing
Performance test reports, Salt spray test reports, Dimensional inspection reports, PPAP, PSW documentation
Manufacturer Profile
Lock Technology (Shenzhen) Co., Ltd. specializes in fastener and precision machined parts manufacturing since 2007. With an overseas sales company established in 2013, we provide comprehensive solutions for global customers.
Applications
Automotive, electronics, electrical equipment, household appliances, communication equipment, consumer electronics, optical equipment, medical equipment and other industrial fields.
Manufacturing Capabilities
40,000 square meter facility in Shenzhen with over 1,000 production equipment units including cold heading equipment, thread rubbing equipment, CAM lathes, CNC lathes, CNC milling machines, and 300+ inspection equipment types. Annual production value exceeds $10 million.
Global Reach
Products exported to Europe, America, Africa, and Southeast Asia with excellent customer feedback for quality and service.
Certifications & Quality Standards
ISO9001, IATF16949, ISO14001, ISO45001 and other system certifications ensuring consistent quality and environmental compliance.
Production & Delivery
| Quantity (pieces) | Lead Time (days) |
|---|---|
| 1 – 10,000 | 10 |
| 10,001 – 50,000 | 15 |
| 50,001 – 100,000 | 20 |
| > 100,000 | To be negotiated |
Packaging Options
Independent carton, self-sealing bag, blister, vacuum packaging, pallet, and custom packaging solutions.
Shipping Methods
FedEx, DHL, UPS, or customer-specified transportation methods.
Global Partnerships
We have provided customized services to over 300 customers worldwide. Our products are sold to more than 20 countries and regions including Europe, North America, South America, and Southeast Asia.
Frequently Asked Questions
Q: Can you provide customized services?
A: Yes, we accept OEM/ODM services with 20+ years experience in custom non-standard screws. We provide free product drawings based on your requirements if needed.
Q: Can you supply samples?
A: Yes, we provide free samples when molds exist. For new tooling, mold and shipping costs are customer responsibility.
Q: How do you ensure quality?
A: Professional QC department with strict adherence to ISO9001, IATF16949, ISO14001, SGS, RoHS, PPAP, MSDS standards. We provide drawings and samples for confirmation.
Q: What is the minimum order quantity?
A: High-value products: 1,000-10,000 pcs. Low-value products: 20,000 pcs. Trial orders accepted before mass production.
Q: What transportation options are available?
A: Sea delivery, air delivery, or door-to-door express services based on customer preference.
Q: How to place orders and make payments?
A: Send purchase order or confirmation via email/TradeManager. We provide Proforma Invoice with bank details. Payment options include PayPal and L/C.
Samples & Trial Orders: Free samples available with 5-7 day lead time. Mass production: 15-25 days (negotiable).
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