Powerextra Step Drill Bit Set

PA-GS6009

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Step Drill Bit Set & Automatic Center Punch 5pcs HSS Cobalt Titanium Step Drill Bit Set, Multiple Hole 50 Sizes High-Speed Step Drill Bit Set with Aluminum Case on Sale.

 

50 SIZES IN 5 PIECES STEP DRILL BITS:

The bits set includes five standard step drill bits that can replace 50 individual drill bits and process 50 different kinds of diameter holes, compatibility with 1/4, 3/8, and 1/2 in. chuck sizes.


135 DEGREE SPLIT POINT AND TWO-FLUTE DESIGN:

The drill bit point is designed as X-shape with 135 degrees, which can prevent the drill slipping while working at a high speed. With the two-flute design, provides faster and smoother cutting.


TITANIUM COATING:

The Titanium coating resists the drill bits from corrosion and rust, deduces friction making it easy to do multiple drills on surfaces such as plastic, aluminum, copper, stainless steel, and other types of sheet metal.


HIGH QUALITY AND WIDELY USE:

The step drill bits are made by high-speed steel, strong and durable can used for stainless steel sheet, aluminum alloy, plastic material, and wood.


AUTOMATIC CENTER PUNCH & ALUMINUM CASE:

The center punch helps you mark the center point that you want to drill, with exquisite aluminum case protects the drill bits not easy to dull and prolongs the lifespan of the drill.


Size:

3/16''-7/8'' Steps (3/16'',1/4'',5/16'',3/8'',7/16'',1/2'',9/16'',5/8'',11/16'',3/4'',13/16'',7/8'')
1/8''-1/2'' Steps (1/8'',5/32'',3/16'',7/32'',1/4'',9/32'',5/16'',11/32'',3/8'',13/32'',7/16'',15/32'',1/2'')
1/4''-1-3/8 '' Steps (1/4'',3/8'',1/2'',5/8'',3/4'',7/8'',1'',1-1/8'',1-1/4'',1-3/8'')
1/4''-3/4'' Steps (1/4'',5/16'',3/8'',7/16'',1/2'',9/16'',5/8'',11/16'',3/4'')
3/16''-1/2'' Steps (3/16'',1/4'',5/16'',3/8'',7/16'',1/2'')

Note:

It's recommended that adding water to cool the drill bit before use.

It suits for most steel sheets, aluminum sheets, copper / plastic / wood board, did not work for porcelain, ceramic, cultured marble, natural stone, or concrete of any sort.


Package included:

5 x Step Drill Bits
1 x Automatic Center Punch
1 x Aluminum Case


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