GB/T 4267-1984
Replaced
GB/T 4247-2017
Active
National standards
GB/T 4247-2017 Machine bridge reamers with Morse taper shanks
GB/T 4247-2017 Machine bridge reamers with Morse taper shanks
Basic Information
Standard Code:
GB/T 4247-2017
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Knives
ICS Name:
Drill, reamer, and hobbing cutter
Publish Date:
2017-12-29
Implement Date:
2018-07-01
Pages:
5 pages
Scope
This standard specifies the types and dimensions of bridge hacksaws for Morse taper-shaft machines. This standard gives the following dimensions in millimeters for bridge hacksaws with a diameter range of d1 from 6 mm to 50.8 mm:
——Total length l3;
——Total cutting edge length l2;
——Conical cutting edge length l1.
Unless otherwise specified, these hacksaws are all made with a right-hand cutting edge.
Development Information
Replace the following standards
Referenced Standards
ISO 296
Adopt standards
ISO 2238:2011
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