place of origin
Henan, China
customized support
OEM, ODM, OBM
brand name
Henan Drills-King
working length (mm)
8-800mm
Product name
Concrete Drill Bits
Shank
1/2 gas, M14, M12, 5/8"-11 thread
Application
engineering drill, air conditioning hole, sewer hole, hood hole, et
Color
Black, Blue, Red, etc
Welding method
high frequency welded and laser welded
Segment
crown ring(dia14-50mm) and segmented
Feature
High Speed.Straight Smooth Edge