Subland twist drills for holes prior to tapping screw threads. Part 1: The types and dimensions for subland twist drills with Morse shanks

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GB/T 6138.2-1997 Subland twist drills for holes prior to tapping screw threads. Part 1: The types and dimensions for subland twist drills with Morse shanks
Standard No.:	GB/T 6138.2-1997	Status:	ABOLISHED remind me the status change Email:
Language:	English	File Format:	PDF
Word Count:	2000 words	Price(USD):	60 (USD) remind me the price change Email:
Implemented on:	1998-06-01	Delivery:	via email in 1-3 business day
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Standard No.:	GB/T 6138.2-1997
Chinese Name:	攻丝前钻孔用阶梯麻花钻第2部分:莫氏锥柄阶梯麻花钻的型式和尺寸
English Name:	Subland twist drills for holes prior to tapping screw threads. Part 1: The types and dimensions for subland twist drills with Morse shanks
Professional Classification:	J41 Cutting tools
Professional Classification:	GB National Standard
ICS Classification:	25.100.30
Issued by:
Issued on:	1997-08-28
Implemented on:	1998-06-01
Status:	ABOLISHED
Replace:	GB6139-1985
Replace By:	GB/T6138.2-2007 Subland twist drills for holes prior to tapping screw threads -Part2:The types and dimensions of Subland twist drills with Morse typer shanks
Replace By Date:	2007-11-01
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	60 (USD)
Delivery:	via email in 1-3 business day

GB/T 6138.2-1997 The following standards are cited：

GB/T 6138.2-1997 Cited by the following standards：

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