Product description
Mainly used for the locking cover plate (cover ring) impact resistance test.
Technical parameter
1. Impact height: 305mm.
2. Strike rod: mass: 0.23kg
3. diameter 9.5mm
4. Length: 412mm,
5. Lower end is 60° angle,
6. R1.5 sphere
7. The hardness value of the heat treatment is 58 HRC-60 HRC.
Compliance with the standards and terms
Category | Standard name | Model clauses |
Plug door lock | QB/T 2474-2017 | 6.2.20 Cover plate (cover ring) for impact resistance |
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