GB/T 4267-1984
Replaced
T/ZZB 1961-2020
Active
Group standards
T/ZZB 1961-2020 electric drill bit
T/ZZB 1961-2020 electric drill bit
Price:
$ 20.00
Basic Information
Standard Code:
T/ZZB 1961-2020
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Knives
ICS Name:
Drill, reamer, and hobbing cutter
Publish Date:
2020-11-23
Implement Date:
2020-12-01
Scope
Main technical content: This standard specifies the terms and definitions, types and sizes, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality commitments of electric hammer drill bits. This standard applies to electric hammer drill bits with a diameter of 5 mm to 52 mm used for drilling in materials such as concrete and bricks free from metal inclusions.
Development Information
Related Standards
GB/T 14299-1993
Replaced
GB/T 14299-1993 Spiral flute drill with indexable inserts
GB/T 14332-1993
abolished_transferred
GB/T 14332-1993 Ejector drills with carbide tips
GB/T 1438.1-1996
Replaced
GB/T 1438.1-1996 Taper shank twist drills—Part 1:The types and dimensions for Morse taper shank twist drills
GB/T 1438.2-1996
Replaced
GB/T 1438.2-1996 Taper shank twist drills—Part 2:The types and dimensions for long Morse taper shank twist drills
GB/T 1438.3-1996
Replaced