60pcs HSS Twist Drill Bit Set, Drill Bit Kit, Black Tin Box, Packaging

60pcs HSS Twist Drill Bit Set, Drill Bit Kit, Black Tin Box, Packaging Description

60pcs HSS Twist Drill Bit Set, Drill Bit Kit, Black Tin Box, Packaging
Description:
A twist drill
is a tool that cuts a round hole of a workpiece by rotary. It is named after
its flute shaped like a spiral. Twist drills can be used in manual, electric
hand-held drilling tools, milling machines, lathes and even machining centers.
The bit material is generally a high speed tool steel or a hard alloy.
Features:
Sharp twisted
drill bits will make the drilling easier and more effortless.
Through heat
treatment, stainless steel, tool steel, and other workpiece that are difficult
to process, can be processed by these twisted drill bits.
High speed
steel to obtain high hardness, high wear resistance and high toughness.
Suitable for
aluminum, wood, malleable and deep hole drilling.
Can be used in
manual, electric hand-held drilling tools, milling machines, lathes and more.
Specifications:
Material: High
speed steel
Surface
Treatment: Titanium plating
Color: Gold
Quantity:
60pcs
Diameter: 1-5.79mm / 0.040-0.228in
Length: 41-98mm / 1.61-3.96in(The detailed size of drill bits are shown in product picture)
Weight:
Approx. 648g
Package
Includes:
60 x Twist
Drill Bits
1 x Black Iron
Box