GB/T 6335.2-2010 in English
VALIDRotary and rotary impact masonry drill bits with hardmetal tips—Part 2:Technical specifications
- Issued on:2010-12-23
- Implemented on:2011-07-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$97.00
《GB/T 6335.2-2010旋转和旋转冲击式硬质合金建工钻 第2部分:技术条件》由TC91(全国刀具标准化技术委员会)归口,主管部门为中国机械工业联合会。
Scope
This part of GB/T 6335 specifies the basic requirements for dimensional and position tolerances, appearance and surface roughness, material and hardness, performance test, marking and packaging of rotary and rotary percussion cemented carbide construction drills. This part is applicable to rotary and rotary impact cemented carbide construction drills with a diameter of 4 mm to 25 mm on materials such as bricks, blocks and light walls. This section does not apply to rock drill bits.

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