JB/T 56111.8-1994
Quality grading of electric impact drills (for internal use) (English Version)
- Standard No.
- JB/T 56111.8-1994
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Machinery
- Status
- Latest
- JB/T 56111.8-1994
- Scope
- This standard specifies the product quality grade, test methods, and inspection rules for impact electric drills. This standard is applicable to product quality grading of ordinary AC and DC dual-purpose impact drills and single-phase series impact drills for drilling masonry, lightweight concrete, ceramics, metals and other similar materials under general environmental conditions. This standard does not apply to two-speed, multi-speed, electronic speed-adjustable impact drills, nor to electric drills.
JB/T 56111.8-1994 history
- 1970 JB/T 56111.8-1994 Quality grading of electric impact drills (for internal use)
