Standard No.:	GB/T 6335.2-2010
English Name:	Rotary and rotary impact masonry drill bits with hardmetal tips—Part 2:Technical specifications
Chinese Name:	旋转和旋转冲击式硬质合金建工钻 第2部分：技术条件
Chinese Classification:	J41    Cutting tools
Professional Classification:	GB    National Standard
ICS Classification:	25.100.30 25.100.30    Drills, countersinks, reamers 25.100.30
Issued by:	AQSIQ
Issued on:	2010-12-23
Implemented on:	2011-7-1
Status:	valid
Superseding:	GB/T 6335.2-1996 Rotary and rotary impact masonry drill bits with hardmetal tips. Part 2: Technical specifications
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	100.00
Delivery:	via email in 1~3 business day

GB/T6335的本部分规定了旋转和旋转冲击式硬质合金建工钻(以下简称冲击钻)的尺寸和位置公差、外观和表面粗糙度、材料和硬度、性能试验、标志和包装的基本要求。
本部分适用于在砖、砌块及轻质墙等材料上钻孔直径为4mm~25mm 的旋转和旋转冲击式硬质合金建工钻。本部分不适用于凿岩钻头。