Self-Tapping Insert Installation Torque and Strength Test Data Analysis
Published2026-08-09
Experimental data comparing installation torque, tensile strength, and torsional strength of self-tapping inserts in different materials for aluminum alloy applications.
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1. Test Purpose
Self-tapping inserts are used for thread reinforcement in low-hardness materials like aluminum and magnesium alloys. This test provides data for material selection.
2. Test Results
Installation Torque
| Material | Install Torque (N·m) | Failure Load (kN) |
|---|---|---|
| 304 SS | 2.8-3.5 | 12.5 |
| 316 SS | 3.0-3.8 | 12.8 |
| Nitronic60 | 3.5-4.2 | 14.2 |
3. Selection Recommendations
- General: 304 SS (best value)
- Corrosive: 316 SS
- High load/vibration: Nitronic60 (strongest, safest failure mode)