Feature(may vary by option.)

●PRODUCT NAME - Twist Drill Bit.
●MATERIAL - High Speed Steel 4241
●PARAMETER - Bit Diameter : 4.7mm/0.19";Cutting Edge Length : 57mm/2.24";Total Length : 87mm/3.43".
●APPLICATION - Perfect for stainless steel, copper, aluminum alloy,as well suit for wood,plastic.
●PACKAGE CONTENT: 5pcs x Twist Drill Bit.

[7.3mmx110mm]

[4.7mmx87mm]

Description

Specification:

Material : High Speed Steel 4241
Cutting Angle : 118 degree
Bit Diameter : 4.7mm/0.19"
Cutting Edge Length : 57mm/2.24"
Total Length : 87mm/3.43"
Weight: 37g
Main color: Silver
HRC: 62-63
Package Content: 5pcs x Twist Drill Bit

How to Use Twist Drill Bits

Ensure the left and right cutting edges of the drill are symmetrical when drilling.
Observe the uniformity of the spark while drilling, adjust the pressure in time, and pay attention to the cooling of the bit.