4pcs 1/2/2.5/5mm HSS 60 Degree Center Drill Bits

Features: Can be used for machining iron, steel, copper, aluminum, and other materials. Each drill bit has a double end and a standard 60-degree grinding angle. Sharp and durable, precise positioning, clean cutting edge. Fast cutting speed and good chip evacuation. For precise center drilling in metals. When rotating between the points, both faces of the workpiece receive the corresponding centering bore. Preparation tool to maintain the exact drilling position. Specifications : Quantity: 4 PCS Product Specification: 1.0mm, 2.0mm, 2.5mm, 5.0mm Specific Dimensions: as shown in the image Weight: 50g Body Diameter, Drill Tip Diameter, Total Length #1 4mm      1mm       36mm          #2 5mm      2mm       41mm

#3 6mm      2.5mm   45mm

#4 12mm    5mm       61mm

Usage:

1. Centering and spotting drills are traditionally used to make a tapered hole for the center of a lathe to provide a starting point for a standard twist drill,

They are designed to prevent the twist drill from moving.

2. Used for parts requiring machining between centers or to produce centered components.

Package includes:

4 x Centering drills