Phone
Send Email
whatsapp
Facebook
Youtube
China Socket Head Cap Screws - Durable Allen Bolts from Reliable Suppliers and Quality Factory
Product Overview
| Product Name | Socket Head Cap Screw / Allen Bolt / Hex Socket Screw |
| Head Type | Cylindrical Head with Hex Socket (Allen) |
| Drive Type | Internal Hex (Allen Key) |
| Thread Type | Fully or partially threaded (Metric / Inch) |
| Standards | DIN 912, ISO 4762, ANSI B18.3 or customized |
| Material | Carbon Steel (Grade 8.8, 10.9, 12.9) |
| Alloy Steel | |
| Stainless Steel (SS304 / SS316) | |
| Surface Finish | Black Oxide |
| Zinc Plated | |
| Hot Dip Galvanized | |
| Dacromet / Ruspert | |
| Size Range | Metric: M3 – M30 |
| Inch: 1/8" – 1-1/4" | |
| Length: 6mm – 200mm or as required |
Product Features
-
High-strength design, ideal for high-torque applications
-
Cylindrical head allows installation in tight spaces
-
Internal hex socket provides reliable torque transmission
-
Available in both coarse and fine threads
-
Uniform threading and excellent surface finish
-
Meets international standards for quality and performance
Applications
Machinery and mechanical equipment
Automotive and heavy vehicles
Industrial assembly and metal structures
Aerospace and precision instruments
Robotics and automation systems
Tooling and fixture construction
Packaging & Delivery
| Packaging | Bulk cartons, plastic bags, or small boxes |
| Custom packaging available with logo or barcode | |
| Lead Time | 7–25 days depending on order size and type |
| Shipping Port | Tianjin, China |
Why Choose Us?
- Expert manufacturer with over 10 years in fastener industry
- Wide range of socket screws in standard and non-standard sizes
- ISO 9001-certified quality control
- Exported to over 30 countries worldwide
- Competitive pricing, flexible MOQ, and on-time delivery
Frequently Asked Questions (FAQ)
Our socket head cap screws conform to international standards including DIN 912, ISO 4762, ANSI B18.3, or can be customized to meet specific requirements.
We manufacture screws in Carbon Steel (Grade 8.8, 10.9, 12.9), Alloy Steel, and Stainless Steel (SS304 and SS316).
Yes, we support customized sizes (Metric M3–M30, Inch 1/8"–1-1/4") and custom packaging configurations, including logo or barcode printing on boxes and cartons.
The lead time is typically 7 to 25 days, depending on the order size and specifications. All shipments are processed and shipped from the port of Tianjin, China.
We offer various surface finishes to enhance corrosion resistance, including Black Oxide, Zinc Plated, Hot Dip Galvanized, and Dacromet / Ruspert.
Absolutely. Due to their high-strength design (up to Grade 12.9) and reliable internal hex drive, they are ideal for high-torque applications, heavy machinery, automotive assembly, and metal structures.