The utility model relates to a medical orthopaedics left-hand drill bit for drilling a left-hand thread hole. A metal drill rod is carved with a left-hand groove.
本实用新型涉及一种可以钻左旋丝孔的骨科医用左旋钻头，它是在一个金 属钻杆上镂刻有左旋凹槽。
The screwdriver bit base is provided with a magnet, and the handle is provided with a groove which can store various screwdriver bits.
刀头座装有磁石，手柄上有凹槽，可储存各种刀头。
Special Angle strengthened bit design intensifying blade protection and quickly leading powder into screw groove, which reduce resistance and improve in-aperture speed.
特殊角度强化刀头设计，强化刃部保护，并将粉末快速导入螺旋沟槽，减少阻力，提高进孔速度。
The groove depth is bit bigger than the size of the coil section height.
槽深略大于线圈截面高度尺寸。
The groove depth is bit bigger than the size of the coil section height.
槽深略大于线圈截面高度尺寸。
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