twist threads 中文意思是什麼
twist threads
解釋
績麻-
Subland twist drills with cylindrical shanks for holes prior to tapping screw threads
攻絲前鉆孔用圓柱柄階梯麻花鉆 -
Subland twist drills with morse taper shanks for holes prior to tapping screw threads
攻絲前鉆孔用莫氏錐柄階梯麻花鉆 -
Subland twist drills for holes prior to tapping screw threads. part 1 : the types and dimensions for subland twist drills with parallel shanks
攻絲前鉆孔用階梯麻花鉆第1部分:直柄階梯麻花鉆的型式和尺寸 -
Subland twist drills for holes prior to tapping screw threads. part 1 : the types and dimensions for subland twist drills with morse shanks
攻絲前鉆孔用階梯麻花鉆第2部分:莫式錐柄階梯麻花鉆的型式和尺寸 -
Subland twist drills with parallel shank for holes prior to tapping screw threads and for relief countersinks
留隙沉頭鉆和攻螺紋孔前用直柄多刃階梯麻花鉆
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