Specification:
◆ Name: Center Drill Bit Set
◆ Material: High Speed Steel ( HSS )
◆ Size: 1.5, 2, 2.5, 3, 4
◆ Tip Diameter: 1/8" 3/16" 1/4" 5/16" 3/8"
◆ Weight: 45 g / 1.59 oz

Features:
Sharp and durable, accurate positioning, cutting edge clear.
Each bit has a double end and grinding at a standard 60 degree angle.
Quick cutting speed, and good chip removal for precise center drilling in metals.
Used for all kinds of materials. can be applicable to metal, alloy, iron, steel, copper, aluminum and other processing.

Usage:
1. 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.
2. Used for producing center holds in components or work pieces with require machining between centers.

Package Included: 5 * Center Drill Bits

Notes:
1. Size for manual measurement, there may be a 1 to 3 mm error, belongs to the normal phenomenon.
2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!