Standard No.:	GB/T 6335.1-2010
English Name:	Rotary and rotary impact masonry drill bits with hardmetal tips Part1: Dimensions
Chinese Name:	旋转和旋转冲击式硬质合金建工钻 第1部分：尺寸
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 6335.1-1996 Rotary and rotary impact masonry drill bits with hardmetal tips. Part 1: Dimensions
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的直径和在短系列、长系列、加长系列中的总长和工作部分长度。
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。