Features:
-This triangle drill bit is made of carbide alloy with excellent workmanship and durability
-It can be fixed on hand drill, drill press and die grinder fit for wood,metal,glass,marble, tile, ceramic and rock material drilling
-The openning is smooth and neat.no broken edge and tremor phenomenon appears
-It has small incision resistance increasing the speed of the opening
-Tips: Add some water when working
-Application: wood,metal,glass,marble and rock drilling.
Specification
Material: alloy
Size:
4,5,6,7,8,10MM