Step drill bit extension rod fast drilling deburing
Features:
-These step bits are compatible with most impact power tools, electric drills, bench drills, and can be connected to extension rod.
-Made of industrial grade steel
-Compatible with most impact power tools
Specification:
Order No.
|
Size
|
Steps
|
Flute
|
STDR-10501
|
4 – 20mm
|
straight
|
|
STDR-10502
|
4 – 22mm
|
straight
|
|
STDR-10503
|
4 – 20mm
|
Spiral
|
|
STDR-10511
|
4 – 22mm
|
Spiral
|
|
STDR-10511
|
4 – 30mm
|
Spiral
|
|
STDR-10513
|
4 – 32mm
|
Spiral
|
|
STDR-10514
|
6– 25mm
|
Spiral
|