GB/T 4267-1984
Replaced
GB/T 25672-2021
Active
National standards
GB/T 25672-2021 Hammer drill bit and shell hammer drill bit
GB/T 25672-2021 Hammer drill bit and shell hammer drill bit
Basic Information
Standard Code:
GB/T 25672-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Knives
ICS Name:
Drill, reamer, and hobbing cutter
Publish Date:
2021-05-21
Implement Date:
2021-12-01
Pages:
15 pages
Scope
This document specifies the basic requirements for the type and size, appearance and surface roughness, positional tolerances, materials and hardness, performance tests, marking, and packaging of electric hammer drills and box-type electric hammer drills.
This document is applicable to electric hammer drills with a diameter of 5 mm to 52 mm used for drilling in materials such as concrete and bricks without metal inclusions, as well as box-type electric hammer drills with a diameter of 25 mm to 150 mm used for drilling in materials such as bricks, blocks, and lightweight walls.
Development Information
Replace the following standards
Referenced Standards
GB/T 18376.2-2001 Grades of cemented carbide Part 2:grades of cemented carbide for geological and mining tools
GB/T 18376.2-2014 Grades of cemented carbide—Part 2:Grades of cemented carbide for geological and mining tools
GB/T 18376.2-2024 Grades of cemented carbide—Part 2:Grades of cemented carbide for rock drilling and engineering
GB/T 50107-2010 Standard for evaluation of concrete compressive strength
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