Hex High Speed Steel Titanium Step Cone Drill Bit Hole Cutter HSS Sheet Metal

Hex High Speed Steel Titanium Step Cone Drill Bit Hole Cutter HSS Sheet Metal

Features:

• The ladder of its unique structure, a bit can open a variety of specifications of aperture.

• Do not need to use center punch, compared with the ordinary twist drill is not easy to be broken.

• Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them was unable, but it is possible.

• The use of tools: drill, bench drill.Work while water cooling, can effectively extend the service life of drill bit,

• Recommend drilling rate of 250-250 RPM.

• Material: High speed steel 4241

• Size: 4-20mm

Package include:

• 1 Pc Hex Titanium Step Drill