60Pcs Drill Bits Set 1/8 1/16 3/64 5/64 3/32 7/64 Micro Drill Twist Drill Bit Set Jobbers Length Mini Micro Drill Perfect Use for Steel Wood Plastic Aluminum Alloy;

Package Included:
3/64inch x 10PCS Drill Bit
3/32inch x 10PCS Drill Bit
1/16inch x 10PCS Drill Bit
5/64inch x 10PCS Drill Bit
7/64inch x 10PCS Drill Bit
1/8inch x 10PCS Drill Bit
Total Quantity: 60pcs

How to use this twist drill bits:
● Mini twist drill bit can NOT be used in the impact drill.
● To avoid drill bit break, 3/64mm and 1/16mm bits should be used with pin vise.
● 5/64", 3/32",7/64",1/8" bits can be used with power drill, with low speed and low drilling pressure.
●Mini drill bits please keep the rotary drill in low speed

Product character:
Material: Industry High Speed Steel
Surface Treatment: Titanium Coated
Tip Angle: 118 degree
Process: Full Ground
Weight: 3.5OZ
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.


How to Use Twist Drill Bits
●Make sure the drill in center, 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.

Why use Bostal drill bits
Good quality and reliable brand. The bostal is OEM Manufactory for famous brand. The quality is prime. It is important than Price.
Within 60 days product quality is not completely satisfied, please CONTACT US, 100% refund. 24-hour feedback excellent customer service.