coarse thread tap 粗牙丝锥 ; 粗螺纹丝锥
cut thread tap 不磨牙丝锥
acme thread tap 梯形丝锥 ; 爱克米丝锥
metric thread tap 公制螺纹丝锥 ; 米制丝锥
brass thread tap 黄铜螺丝攻
taper thread tap 锥螺纹丝锥
pipe thread tap 管丝锥 ; 管螺纹丝锥
cylindrical pipe thread tap 圆柱管丝锥
thread forming tap 挤压丝锥
there has no screw thread on the installation hole on head of water-cooling. It's difficult to install it by the screw tap which along the products.
产品有以下缺陷:水冷头上的安装孔没有螺纹,用配带的自攻螺丝安装非常困难。
Tap limit does not guarantee thread limit for the internal thread after tapping.
丝锥精度不能够保证内螺纹的精度。
During tapping in steel crankshafts, the most commonly encountered problems are "mess tooth" and oversize thread, additionally the tap life is very low.
前言: 钢质曲轴螺孔攻丝加工中经常出现螺纹烂牙、中径扩大等问题,且刀具寿命较短。
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