Adopting high speed steel material and going through meticulous process, this 50pcs HSS High Speed Steel Titanium Coated Step Drill Bits Set features the moderate hardness, high wear resistance and good durability. It has a wide application, such as angle iron, common metal, aluminum, copperware, plastic and wood etc. With this drilling bit, it will be much easier to punch holes. Also, those high-hardness material such as stainless steel is not recommended. If you want to have more labor-saving punching, do not miss the chance!

FEATURES

Tiny HSS drill bits, offer the best heat resistance and good performance for drilling
Good toughness, wear resistance, strong drilling capacity
Suitable for wood, aluminum, plastic, etc.
Precise, accurate and efficient
Orientation department has orientation and ground effects
Spiral chip groove to guide crumbs
Sharp and twisted flute will make the drilling be more easy and effortless
Straight shank design is more suitable for many electric drills and drilling machines

Specifications

Color	Brown
Weight	22.93oz / 650g
Dimeisons	(6.41 x 4.96 x 1.57)" / (16.3 x 12.6 x 4)cm (L x W x H)
Material	High Speed Steel
Special Function	PCB Drilling
Size	1mm,1.5mm,2mm,2.5mm,3mm
Suitable for	Wood, Aluminum, Plastic or Other Materials
Shape	Straight Shank
Quantity	50 pcs

Package Includes

10 x 1mm Twist Drill Bits
10 x 1.5mm Twist Drill Bits
10 x 2mm Twist Drill Bits
10 x 2.5mm Twist Drill Bits
10 x 3mm Twist Drill Bits