英文關鍵字
angle
automotive
background
boring
car
carbon
center
cnc
cobalt
counter
cutter
cutting
design
diamond
dies
drill
edge
engine
flute
hand
hardware
holder
hole
industry
machining
manufacturing
mechanic
metal
milling
object
parts
pcd
radial
reamer
regrinding
roll
screws
silver
solid
spiral
steel
surface
tap
technology
teeth
thread
tool
turning