|
CN107442818A
|
|
A kind of High-strength drill bit
|
|
CN107442819A
|
|
A kind of high-wear-resistant alloy drill bit
|
|
CN107686925A
|
|
A kind of drill bit Hardmetal materials
|
|
CN107513655A
|
|
A kind of titanium alloy deep drill blade material
|
|
CN107686924A
|
|
A kind of high-speed steel drill material
|
|
CN107442817A
|
|
A kind of Digit Control Machine Tool processing flat face bit
|
|
CN107433353A
|
|
A kind of combined drill device with multistage drill bit
|
|
CN107327276A
|
|
A kind of diamond bit of use time length
|
|
CN107327275A
|
|
A kind of diamond bit that broad spectrum activity is adapted to stratum
|
|
CN107322056A
|
|
A kind of demountable bit with polishing nail
|
|
CN107378074A
|
|
A kind of High-strength drill bit
|
