This avoids the carbide drill bits from breaking off the blades at impact.
这样就避免了硬质合金钻头在接触钻孔表面时受撞击而损毁刀锋。
And the main products we manufacturing are: electric hammer, electric drill, wall hole saw, metal hole saw, woodworker hole saw, cemented carbide drill etc.
公司生产的主要产品有：电锤电钻墙璧开孔器，金属开孔器，木工开孔器，硬质合金钻头等系列。
Practical tests show that the performance of cemented carbide anvils, coated blade and drill bits with graded structure developed in this dissertation are superior to those with regular structure.
经现场使用试验证明，本研究所制备的具有梯度结构的硬质合金顶锤、涂层刀片以及硬质合金钻齿的使用性能均明显优于常规均匀结构的硬质合金。
The results revealed that the non homogeneous distribution of the carbide caused the "zonal structure" appeared in the joint of drill rod which is hardened and hightemperature tempered.
结果表明，碳化物分布不均匀导致调质处理后在钻杆接头中产生“带状组织”。
For solving this mater, this thesis study coated carbide hard metal drill 6.
为解决这一问题，本文针对涂层硬质合金钻6。
The results revealed that the non homogeneous distribution of the carbide caused the "zonal structure" appeared in the joint of drill rod which is hardened and high temperature tempered.
结果表明，碳化物分布不均匀导致调质处理后在钻杆接头中产生“带状组织”。
The drill bit body has three wings four cylindrical tungsten carbide inserts and curved slots for removal of cuttings.
在结构上采用了三翼四齿的钻头体、弧槽形排粉沟槽，适用于硬、中硬、软岩的三种齿形。
Holes, or vias, through a PCB are typically drilled with tiny drill bits made of solid tungsten carbide.
孔或焊，通过印刷电路板通常采用小钻头的硬质合金。
Holes, or vias, through a PCB are typically drilled with tiny drill bits made of solid tungsten carbide.
孔或焊，通过印刷电路板通常采用小钻头的硬质合金。
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