carbide welded taper shank core drill
硬质合金焊接式锥柄扩孔钻
combined taper pipe tap and core drill
扩孔钻和锥管丝锥复合刀具
carbide taper shank twist drill
硬质合金锥柄麻花钻
carbide-tipped Morse taper shank drill
硬质合金莫氏锥柄钻头
A small conical hole made in a piece of work with a center punch so that a drill can be accurately positioned within it.
中心孔，转柄孔在带中心冲头的工件上为使钻头准确放置而做的小锥形孔
A pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press.
钻头曲柄、钻柄或钻床之上用于钻孔的尖头工具
carbide welded taper shank twist drill
硬质合金焊接式锥柄麻花钻
involute spline gear shaper cutter with taper shank
锥柄渐开线花键孔插齿刀
counterbore with guide
有导柱的平底扩充孔钻
Drill jig size calculation of the double inclined holes in the handle of YT 24 rock drill
YT24型凿岩机柄体双斜孔钻模尺寸计算
An awl with a beveled tip, used to make holes in wood for brads or screws.
锥钻，打眼钉钻头倾斜的钻子，用于在木头上钻孔以钉角钉或螺钉
To form, shape, taper, or enlarge(a hole) with or as if with a reamer.
扩，整用扩孔钻或仿佛是用扩张钻去造出、成形出、整出或扩大（某个孔）
Application of Bit Water Way in HDD
水平定向钻进扩孔钻头水口应用分析
A tapered, serrated tool used to shape or enlarge a hole.
手钻用来钻孔，或扩大孔的尖细带齿的工具
taper wall core shell
带内锥面的金刚石扩孔器
To shape or enlarge(a hole)with a tapered, serrated tool.
凿孔扩大用带齿的尖的工具钻或扩大（孔）
Any of various tools used to shape or enlarge holes.
扩孔钻一种用于整造或扩大孔膛的工具
Point-to-point systems are suitable for hole-machining operations such as drilling, countersinking, counterboring, reaming,Boring, and tapping.
点位系统适用于钻孔、锪孔、扩孔、铰孔、镗孔、攻丝等孔加工。