Features:

(Note: Please make sure that the thickness of workpieces is no more than the height of step before buying the step drill bit.
Please install the step drill bit onto the pistol drill and bench drill, whose spiral speed of 250-400R/M is recommended.)

Specification:
Thickness of workpieces/Height of step:5mm
Size of steps:
001,4mm to 32mm ,15Steps
002,4mm to 20mm 9 Steps
003,4mm to 12mm 9 Steps
Difference between adjacent steps:
001,2mm
002,2mm
003,1mm
shank diameter:
001,10mm
002,8mm
003,6mm
Style of flute: straight flute
Material:HSS 6542
Surface:titanized

Package Included:
3pcs HSS 6542 Triangle Step Drill

• It can remove the spikes and countersink at the same time while drilling.
• The step drill bit is usually used for drilling holes onto the thinner panels.
• Compared with the common bits, the step drill bit sways little and can drill the perfect holes without the center punch.
• In the unique step-shaped design, one bit can drill holes of various sizes so that one step drill bit is equal to many common bits.

It can remove the spikes and countersink at the same time while drilling.HKATOPS