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Feature

High Speed Steel: high hardness, good wear resistance and durability.
Surface Titanium Coated: Increase the HARDNESS of the drill bit, Strengthen heat dissipation, make bit more WEAR-RESISTING.
Easy to Removal Chip: spiral grooves with an oxide coating for quick removal.
High Quality: suitable for drilling holes in alloy steel, wood, nonferrous metal, cast iron and hard plastics.
50 Pcs & 5 Sizes: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, there are 10pcs of each size, total quantity is 50pcs.

Description

Twist Drill Bit is a tool that used to process holes in solid materials.
It's the most widely used tool in the hole machining tool,and named for the spiral shape of its fluted grooves.

Material: High Speed Steel 4241 (HSS4241)
Surface Treatment: Titanium Coated
Weight: 53 g
Application: metal, wood, plastic, PVC and other handicraft industry drilling, high precision, improve efficiency.
Working principle: the round hole of the workpiece is drilled through the rotary cutting of its relative fixed axis.

Package Included:
10 x 1.0mm Drill Bit
10 x 1.5mm Drill Bit
10 x 2.0mm Drill Bit
10 x 2.5mm Drill Bit
10 x 3.0mm Drill Bit
Total Quantity: 50pcs

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.

Special Note
Mini twist drill bit can NOT be used in the impact drill.
To avoid drill bit break, 1mm and 1.5mm bits should be used with pin vise.
2mm2.5mm3mm bits can be used with power drill, with low speed and low drilling pressure.

Why Choose DRILLPRO
Good quality and reliable brand.
Within 90 days product quality is not completely satisfied, please CONTACT US, 100% refund.
24-hour feedback excellent customer service