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Chinese Standard: GB/T 4256-2022

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Core drills with parallel shanks and with Morse taper shanks


Standard in brief
Scope of Application:  
本文件规定了直柄扩孔钻和莫氏锥柄扩孔钻的型式和尺寸及其公差等。本文件对上述每种型式的扩孔钻都列出两个表:--优先采用的尺寸; --以直径范围分段的尺寸。本文件只推荐米制尺寸,对这种扩孔钻今后也只推荐米制尺寸。除另有说明外,这种扩孔钻均制成右切削。本文件适用于直柄扩孔钻和莫氏锥柄扩孔钻的制造。

Basic information
Standard No:GB/T 4256-2022
Standard Name:直柄和莫氏锥柄扩孔钻
English Name:Core drills with parallel shanks and with Morse taper shanks
Standard Status:现行
Release Date:1984-03-28
Effective Date:2023-02-01
Language of Publication:中文简体

Standard Classification
ICS Number:25.100.30
CCS Number:J41

Related Standards
Referenced Standards:GB/T 1443
Adopted Standards:ISO 7079:2016
Adopted Standard Name:《直柄和莫氏锥柄扩孔钻》
Adoption Level:MOD

Publication Information
Number of pages:12
Number of words:22 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2022-07-01

Standard Revision Information
Has Amendment:No

Other Information
Application Dept:国家市场监督管理总局、国家标准化管理委员会
Standard Type:CN
Standard Attribute:GB
Other Standard Number:4256
Drafter:董向阳、倪东升、陆少峰、张继波、唐周元
Drafting Organization:扬州新江正工具有限公司、江阴塞特精密工具有限公司、国宏工具系统(无锡)股份有限公司、成都邦普切削刀具股份有限公司、扬州江宇刃具有限公司
Management Organization:全国刀具标准化技术委员会(SAC/TC 91)
Proposing Department:中国机械工业联合会

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