Wholesale RUKO Step Drills HSS Spiral Fluted With Split Point No. 7

The CBN ground and spiral flutes guarantee quiet running and high cutting performance. Especially the chip flow is optimized, so even long, non-breaking chips will be removed easily. The optimized chip flow protects the cutting edges and reduces built-up edges and cold weld marks. The cone makes it easier to withdraw the tool from the material.

Steel 900 N/mm²

Aluminium

Brass

Plastics

Material: HSS

Shaft: 3-way clamping surface

Coating: uncoated

Shaft Diameter: 10.00 mm

Size: 7

Drilling Range: 5.0 - 28.0 mm

Tolerance: work's specification

Point Angle: 118°

Cutting Direction: right hand cutting

Number of Cutting Edges: 2

Number of Steps: 7

Step Angle: 90°

Length: 69.0 mm

Size no. 7 Drilling range: 5,0 / 8,8 (G1/8) / 11,8 (G1/4) / 15,3 (G3/8) / 19,0 (G1/2) / 24,5 (G3/4) / 28,0 mm