3 Piece Step Drill Cone Drill Bits HSS Titanium Hole Tool

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Description:

Made from high quality HSS steel, with the Titanium coated to reduce friction and heat

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

Do not need to use the center punch, compared with twist drill, more durable

Deburring, chamfering, elliptic hole enlargement, twist drill, drill, bench drill

Suitable for using to cut holes in various materials such as steel, brass, wood, plastic, etc

Specification:

Material: HSS / High Speed Steel

Surface Treatment: Titanium Coated gold

3 Step Drills Dimension:

4-20:9 (4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm)

3-12:10 (3mm,4mm,5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm)

4-12:5 (4mm,6mm,8mm,10mm,12mm)

Package Includes:

1x Set (3 pieces) HSS Step Drill Bit

Note:

The colors may be different for the different display, please understand

Please allow 1-3mm error due to manual measurement, make sure you do not mind before you bid

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