Standard No.:	GB/T 3506-1993
English Name:	Machine taps with helical flutes
Chinese Name:	螺旋槽丝锥
Chinese Classification:	J41    Cutting tools
Professional Classification:	GB    National Standard
ICS Classification:	25.100.50 25.100.50    Taps and threading dies 25.100.50
Issued by:	CSBTS
Issued on:	1993-04-17
Implemented on:	1993-1-2
Status:	superseded
Superseded by:	GB/T 3506-2008 Machine taps with helical flutes
Superseded on:	2009-1-1
Superseding:	GB 3506-1983
Language:	English
File Format:	PDF
Word Count:	5000 words
Price(USD):	150.00
Delivery:	via email in 1~3 business day

本标准规定了螺旋槽丝锥的型式尺寸、技术要求、性能试验和标志包装的基本要求。本标准适用于加工普通螺纹的机用螺旋槽丝锥，这种丝锥通常用于在韧性金属制件上对盲孔或断续表面孔的攻丝，丝锥螺纹精度按H1、H2、H3三种公差带制造。