Subland twist drills for holes prior to tapping screw threads -Part1:The types and dimensions of subland twist drills with cylindrical shanks

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GB/T 6138.1-2007 Subland twist drills for holes prior to tapping screw threads -Part1:The types and dimensions of subland twist drills with cylindrical shanks
Standard No.:	GB/T 6138.1-2007	Status:	VALID remind me the status change Email:
Language:	English	File Format:	PDF
Word Count:		Price(USD):	please email coc@codeofchina.com for quotation remind me the price change Email:
Implemented on:	2007-11-01	Delivery:	via email in 1-3 business day
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Standard No.:	GB/T 6138.1-2007
Chinese Name:	攻丝前钻孔用阶梯麻花钻第1部分：直柄阶梯麻花钻的型式和尺寸
English Name:	Subland twist drills for holes prior to tapping screw threads -Part1:The types and dimensions of subland twist drills with cylindrical shanks
Professional Classification:	J41 Cutting tools
Professional Classification:	GB National Standard
ICS Classification:	25.100.30
Issued by:
Issued on:	2007-06-25
Implemented on:	2007-11-01
Status:	VALID
Replace:	GB/T6138.1-1997 Subland twist drills for holes prior to tapping screw threads. Part 1: The types and dimensions for subland twist drills with parallel shanks
Language:	English
File Format:	PDF
Word Count:
Price(USD):	please email coc@codeofchina.com for quotation
Delivery:	via email in 1-3 business day

GB/T 6138.1-2007 The following standards are cited：

GB/T 6138.1-2007 Cited by the following standards：

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