BOSTAL Cobalt Drill Bit Set(18Pcs) M35 HSS Twist Drill Set for Steel, Stainless Steel, Metal and Cast Iron(1/16" - 1/4")
Brand: BOSTAL
Color: TIN
Package Included:
1/16inch x 2PCS Drill Bit
3/32inch x 2PCS Drill bits
5/64inch x 2PCS Drill Bit
7/64inch x 2PCS Drill Bit
1/8inch x 2PCS Drill Bit
9/64 x 1PCS Drill Bit
5/32 x 1PCS Drill Bit
11/64 x 1PCS Drill Bit
3/16 x 1PCS Drill Bit
13/64 x 1PCS Drill Bit
7/32 x 1PCS Drill Bit
15/65 x 1PCS Drill Bit
1/4 x 1PCS Drill Bit
Total Quantity: 18pcs

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: 135degree with split-point
Process: Full Ground
Application: metal, wood, plastic, PVC, stainless steel 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
No spin shanks and135-degree split-point reduces slip and walking, titanium Coating for greater wear protection and long life
M35 cobalt steel, for fast cutting and life, up to 10time than the normal HSS bits.
Super performance: Bostal Drill is one professional OEM Factory for famous brand; High quality drill bits is prime. Perfect Suitable for drill holes in stainless steel, wood, alloy steel, nonferrous metal, cast iron and hard plastics.
ANSI 94.11 Standards, Jobbers length, 1/16 5/64 3/32 7/64 1/8 x2pc/size 9/64 5/32 11/64 3/16 13/64 7/32 15/65 1/4 drill bits x1pc/size. Total 18PCS. PVC bag packing for save cost for customer.
60days Refund police. Within 60 days product quality is not completely satisfied, contact us 100% refund.