GB/T 1438.4-2008 Active National standards

GB/T 1438.4-2008 Taper shank twist drills—Part 4:The types and dimensions extra-long for Morse taper shank twist drills

GB/T 1438.4-2008 Taper shank twist drills—Part 4:The types and dimensions extra-long for Morse taper shank twist drills

Publish Date: 2008-11-04 Implement Date: 2009-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 1438.4-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Knives

ICS Name: Drill, reamer, and hobbing cutter

Publish Date: 2008-11-04

Implement Date: 2009-04-01

Pages: 5 pages

Scope

This part of GB/T 1438 specifies the types and dimensions of Morse taper-shanked super-long twist drills.
This part is applicable to Morse taper-shanked super-long twist drills with diameters ranging from 6.00 mm to 50.00 mm and total lengths ranging from 200.00 mm to 630.00 mm.

Development Information

Word Count: 7 Thousand words Pages: 5 pages

Same series standard

GB/T 1438.1-2008 Taper shank twist drills—Part 1:The types and dimensions for Morse taper shank twist drills GB/T 1438.2-2008 Taper shank twist drills—Part 2:The types and dimensions for long Morse taper shank twist drills GB/T 1438.3-2008 Taper shank twist drills—Part 3:The types and dimensions for lengthened Morse taper shank twist drills

Replace the following standards

GB/T 1438.4-1996 Taper shank twist drills—Part 4:The types and dimensions for extra-long Morse taper shank twist drills

Referenced Standards

GB/T 1443-1996 Machine tools—Self-holding tapers for tool shanks GB/T 1443-2016 Self-holding tapers for machine tools and tool shanks

Adopt standards

ISO 3291:1995

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