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Product Overview
The Hex Tap Bolt is a fully threaded fastener designed to engage directly with pre-tapped holes, removing the need for nuts in most installations.
Key Features
Continuous full-thread shank maximizes thread contact for a firm, secure fit.
Standard hex head allows for easy wrench access in tight spaces.
Available in metric (M3-M24) and imperial (1/4"-1-1/2") sizes for broad compatibility.
Precision-manufactured for reliable load-bearing performance in diverse conditions.
| 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
Motor mounting, equipment frames, machinery housings, and installations where nut usage is impractical due to space constraints.
