Ruko Step Drill HSS Fractional Sizes Spiral Fluted w/ Split Point No. 9 101709

Ruko Step Drill HSS Fractional Sizes Spiral Fluted w/ Split Point No. 9

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/mm

Aluminium

Brass

Plastics

Material: HSS

Shaft: 3-way clamping surface

Coating: uncoated

Shaft Diameter: 3/8 inch

Size: 9

Drilling Range: 7/8 - 1 1/8 inch

Tolerance: work's specification

Point Angle: 118

Cutting Direction: right hand cutting

Number of Cutting Edges: 2

Number of Steps: 2

Step Angle: 90

Length: 3 7/64 inch

Size no. 9 Drilling range: 7/8 - 1 1/8"