Fully Threaded Hexagon Socket Countersunk Head Cap Screws - Class 4.8 to 12.9 Grade for Mechanical Machinery
Industrial-grade hexagon socket countersunk head cap screws with full threading for mechanical machinery applications. Available in carbon steel and stainless steel with grades from Class 4.8 to 12.9. Custom sizes and finishes available with UNC, UNF, and BSW thread options. Ideal for structural steel, wind energy, automotive, and industrial equipment.
Fully threaded hexagon socket countersunk head cap screws designed for mechanical machinery applications. Available in stainless steel or carbon steel with complete threading for secure fastening.
| Specification | Details |
|---|---|
| Standards | ANSI/ASME, JIS, EN, DIN, BS, GB, SH, HG, IFI, ISO |
| Size Options | Standard & non-standard sizes, custom sizes available |
| Materials | Carbon Steel, Stainless Steel |
| Grades | SAE J429 Gr.2, 5, 8; ASTM A307 Gr.A, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 |
| Thread Types | UNC, UNF, BSW |
| Finishes | Plain, Zinc Plated (Clear/Blue/Yellow/Black), Black, HDPE, Fluorocarbon Coating, XYLAN |
| Packaging | Bulk in cartons on wood pallet or custom packaging |
- Structural Steel Construction
- Metal Building Systems
- Oil & Gas Industry Equipment
- Tower & Pole Structures
- Wind Energy Systems
- Mechanical Machinery
- Automotive Applications
Custom sizes, grades, and finishes available. OEM manufacturing services supported with flexible production capabilities.
Shaanxi Flourish Industrial Co., Ltd specializes in research, manufacturing, and supply of standard and custom fasteners including screws, bolts, nuts, and washers. With established relationships across Europe, Asia, Africa, USA, Australia, and Middle East markets, we provide first-class quality, fast delivery, and reliable service for industrial applications worldwide.
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