TRUSCO Step Drill, 3-blade titanium coating, 5-28mm, 11 steps, 3S-NMS-28G TRUSCO

[Features]
The three-blade design reduces the burden on the cutting edge, increasing the blade life. Cutting chips are discharged quickly, reducing welding.
It has three cutting edges and is chamfered to eliminate center misalignment for quick penetration.
It is available in professional sizes that are frequently used in on-site work.

[Applications]
Materials to be cut: steel plate, copper plate, galvalume (up to 2mm), aluminum plate, wood, resin (up to 3mm), stainless steel plate (up to 1mm).

【specification】
Step width (mm): 3.0 (2)
Number of steps (steps): 11
Shank diameter (mm): 10
Hole dimensions (φ): 5, (9), (11), 13, 15, 16, 19, 21, 22, 24, 28
Surface treatment: Titanium coating

[Specification 2]
-

[Material/Finish]
Cobalt High Speed Steel

[Set contents/accessories]
Cutting oil

【Note】
The numbers in parentheses for the drilling dimensions represent the dimensions relative to the step width values in parentheses.