Features
- The spiral grooves create a sharper rake angle, significantly improving cutting ability compared to straight grooves.
Applications
- For drilling holes in steel plates, aluminum, stainless steel, wood, resin, etc.
Specifications in detail
Spiral groove
Tin coating
Step width (mm): 2.5
Number of steps (steps): 15
Shank shape: straight (three-sided chamfer)
Shank diameter (mm): 10
Drilling dimensions (φ): 6, 9, 12, 15, 18, 21, 24, 27, 30, 32, 34, 36, 38, 40,
42 Total length (mm): 85.5
Surface treatment: TiN coating
Maximum drilling plate thickness: steel plate 2.0 mm, stainless steel 1.2 mm, wood/resin 3.0 mm
Drilling dimensions (φmm): 6, 9, 12, 15, 18, 21, 24, 27, 30, 32, 34, 36, 38, 40, 42
LOBSTER LB642SP
