5 Pcs HSS Combined Center Drills Countersinks 60 Degree Angle Bit Set Hole Cutter

Center and spotting drills are traditionally used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking.
With special electrical oil protecting them in hard plastic box.
Used for producing center holds in components or work pieces with require machining between centers
Ideal tools for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.

Features :
Mesure system unit: mm
Color : Silver Tone
Material: HSS (High Speed Steel) M2
Precision import
Double ended.
Standard 60 degree included angle
Package Size: 4-23/32" x 3-15/16" x 1-31/32" (12x10x 5cm)
Gross Weight/Package: 0.1 ( kg )

Specification :
Made of premium M2 High Speed Steel and ground finished, set comes complete with plastic case or wooden case holding all 5 center drills
Plain style 60° angle used for producing center holes in workpieces which require precision drilling or machining between centers. Also used as starter holes to prevent a drill bit from "walking"
Each drill has a double end and a standard 60 degree included angle ground.
3mm (1/8") body diameter & 1mm drill tip diameter (3/64")
4mm (5/32") body diameter & 1.5mm drill tip diameter (1/16")
6mm (15/64") body diameter & 2.5mm drill tip diameter (3/32")
8mm (5/16") body diameter & 3.15mm drill tip diameter (1/8")
12mm (15/32") body diameter & 5mm drill tip diameter (13/64")

Package included :
5pcs x Drill Bit HSS Hole Cutter Combined Center Countersinks Lathe


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