GB/T 4267-1984
Replaced
GB/T 17112-2022
Active
National standards
GB/T 17112-2022 Spot drills
GB/T 17112-2022 Spot drills
Basic Information
Standard Code:
GB/T 17112-2022
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Knives
ICS Name:
Drill, reamer, and hobbing cutter
Publish Date:
2022-07-11
Implement Date:
2023-02-01
Pages:
7 pages
Scope
This document specifies the dimensions and technical requirements of high-speed steel and hard alloy centering drills with corner angles of 90° and 120°. This document is applicable to the manufacture of centering drills. The relationship between this document and the ISO 13399 (all parts) symbols is described in Appendix A.
Development Information
Replace the following standards
Referenced Standards
GB/T 1800.2-2020 Geometrical product specifications(GPS)—ISO code system for tolerances on linear sizes—Part 2:Tables of standard tolerance classes and limit deviations for holes and shafts
GB/T 2075-1998 Application of hard cutting materials for machining by chip removal—Designation of the main groups of chip removal and groups of application
GB/T 2075-2007 Classification and application of hard cutting materials for metal removal with defined cutting edges—Designation of the main groups and groups of application
GB/T 2075-2025 Classification and application of hard cutting materials for metal removal with defined cutting edges—Designation of the main groups and groups of application
Adopt standards
ISO 10898:2016
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