Standard No.:	YB/T 4263-2011
English Name:	Button bits with special threads
Chinese Name:	异形螺纹球齿钎头
Chinese Classification:	H43    Steel ingot and billet
Professional Classification:	YB    Professional Standard - Metallurgy
ICS Classification:	77.140.60 77.140.60    Steel bars and rods 77.140.60
Issued by:	Ministry of Industry and Information Technology
Issued on:	2011-12-20
Implemented on:	2012-7-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	224.00
Delivery:	via email in 1~3 business day

本标准规定了凿岩用DT58、HT60异形螺纹球齿钎头的订货内容、代号、类型、型号、外形、螺纹、尺寸及允许偏差、技术要求、试验方法、检验规则、包装、标志及质量证明书。
本标准适用于凿岩用直径为89mm～152mm的DT58和HT60异形螺纹硬质合金球齿钎头。