GB/T 6078.4-1998 Replaced National standards

GB/T 6078.4-1998 Center drills Part 4:Technical specifications

Publish Date: 1998-11-18 Implement Date: 1999-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 6078.4-1998

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Knives

ICS Name: Drill, reamer, and hobbing cutter

Publish Date: 1998-11-18

Implement Date: 1999-09-01

Pages: 6 pages

Development Information

Word Count: 9 Thousand words Pages: 6 pages

Same series standard

GB/T 6078.1-1998 Centre drills—Part 1:Centre drills for centre holes without protecting chamfers—Type A—Dimensions GB/T 6078.2-1998 Centre drills—Part 2:Centre drills for centre holes with protecting chamfers—Type B—Dimensions GB/T 6078.3-1998 Centre drills—Part 3:Centre drills for centre holes with radius form—Type R—Dimensions

Replace the following standards

GB 6078-1985

Superseded by the following standards

GB/T 6078-2016 Centre drills

Referenced Standards

Related Standards

GB/T 4267-1984 Replaced

GB/T 4267-1984 Rotating tools with parallel shanks—Diameters of shanks and sizes of driving squares

Publish Date: 1984-03-28

GB/T 14299-1993 Replaced

GB/T 14299-1993 Spiral flute drill with indexable inserts

Publish Date: 1993-04-17

GB/T 14332-1993 abolished_transferred

GB/T 14332-1993 Ejector drills with carbide tips

Publish Date: 1993-04-17

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

Publish Date: 1996-07-05

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

Publish Date: 1996-07-05

GB/T 1438.3-1996 Replaced

GB/T 1438.3-1996 Taper shank twist drills—Part 3:The types and dimensions for lengthened Morse taper shank twist drills

Publish Date: 1996-07-05