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Product Overview
The Hex Cap Screw is a precision-machined fastener engineered for reliable clamping across industrial and commercial applications.
Key Features
Integrated washer face eliminates the need for additional washers, streamlining assembly
Standard hex head enables secure torque application with common hand and power tools
Wide size range covers metric (M3-M24) and imperial (1/4"-1-1/2") specifications
Multiple material and finish options for enhanced corrosion resistance and longevity
| Grade | SAE Grade 5.8 / 8.8 / 10.9 / 12.9 (ISO 5.8/8.8/10.9/12.9 equivalent) |
| Size Range | M5–M36 (custom sizes available) |
| Thread Type | Metric (ISO metric thread) / UNC / UNF (customizable) |
| Standards | DIN 931 / DIN 933 / ISO 4014 / ISO 4017 / ASTM A307 (switchable per request) |
| Heat Treatment | Quenched and Tempered (Q&T) |
| Tensile Strength | ≥ 500–1200 MPa (depends on grade) |
| Yield Strength | ≥ 400–1080 MPa (depends on grade) |
| Hardness | HRC 22–39 (grade-specific) |
| Head Style | Hex Head (external hexagon) |
| Thread Class | 6g (metric) / 2A / 3A (imperial) |
| Operating Temperature | -40°C ~ 250°C |
| Material | Carbon Steel / Alloy Steel / Stainless Steel 304 / 316 |
| Surface Finish | Plain / Zinc Plated (blue/yellow/black) / Black Oxide / HDG / Dacromet |
| Matching Parts | Hex Nuts (DIN 934), Flat Washers (DIN 125), Spring Washers (DIN 127) |
Applications
General machinery assembly, equipment brackets, automotive components, and industrial setups requiring consistent clamping force.
