Chinese Standard: GB/T 6481-2016

Hollow hexagonal drill rods with taperd connection for rock drilling

全国钢标准化技术委员会(SAC/TC 183)

本标准规定了凿岩用锥体连接中空六角形钎杆的订货内容、规格代号、外形与尺寸、技术要求、试验方法、检验规则、包装、标志和质量证明书。
本标准适用于对边公称尺寸为19 mm、22 mm、25 mm的凿岩用锥体连接中空六角形钎杆。

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