GOCHANGE Screw Thread Pitch Cutting Gauge Tool Set, Centre Gage 50 Degree Inch System and 60 Degree Metric System, 4 Pcs

Product Review

Features:

Material HSS
Color :Silver Tone
High Speed Steel
Standard 60 degree included angle
precision import
double ended

Specification:

This listing is for a set of 5 HSS Center Drills
Each drill has a double end and is ground with a standard 60 degree included angle
The set includes 1 each of the following sizes:
#1 with 3mm body diameter & 1mm drill tip diameter
#2 with 4mm body diameter & 1.5mm drill tip diameter
#3 with 6mm body diameter & 2.5mm drill tip diameter
#4 with 8mm body diameter & 3.15 drill tip diameter
#5 with 12mm body diameter & 5mm drill tip diameter

Usage:

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
Used for producing center holds in components or work pieces with require machining between centers

Package Included:

1x a set of 5 HSS Center Drills

Material and Features: High-speed Steel, high hardness, rustproof, solid, durable and excellent for use.
Convenience: Easy to use and install, change bits fast which one-handed load and release.
Durable and Resistance: Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance.
Available for all Kinds of Materials: Metal, Alloy, Copper, Iron, Wood, Aluminum, and so on.
Wide Usages: Center drill bits can be used to make conical holes for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking, as well as for producing center holds in components or work pieces with require machining between centers.

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