Senrob 5 Pcs Step Drill Bit Set with Automatic Center Punch& Aluminum Case, High Speed Steel Titanium Cobalt Bits for Metal
Product Description
Senrob 5 Pcs Step Drill Bit Set with Automatic Center Punch& Aluminum Case, High Speed Steel Titanium Cobalt Bits for Metal
- Package Includes: 5 x step drill bits，1 x automatic center punch，1 x aluminum case
- Wide Applications: 50 hole size choices to cut through iron, aluminum, PV and insulating plate as well as other types plates easily
- Durable Materials: ability of oxidation resistance, no rust and wear, long service life with titanium and cobalt plating coating
- Unique Shape: straight grooved is for excellent heat dissipation and chip removal, v-type opening design ensures cutting faster and smoother
- Automatic Center Punch: center punch with spring inside creates an automatic, high-impact force and the top red cap could save more effort
-30 days money back guarantee.
-Unconditional replacement or full refund for product that defects in materials and workmanship.
How to Get Warranty Services
-You may seek resolution by contacting us directly and we will be able to assist you.
Notes:
-It's recommended that adding water to cool the drill bit when using to extend its life.
-High speed steel 4241 drill bit is applied to plates that thickness is under 2MM and hardness lower than 25 degrees.
Features:
-High quality:Straight step drill bit design and high speed steel usage reduce cutting resistance, 3-sided shank design is non-slip when drilling.
-Long life: Titanium and cobalt plating coating improves the ability of wearing and oxidation resistance, easily to be stored years to come.
-Easy work: Straight flute design ensures a smoother and faster cutting. Automatic center punch with adjustable cap could control striking force to save strength.
Standards:
3/16''-7/8''(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''(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''(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''(1/4'',5/16'',3/8'',7/16'',1/2'',9/16'',5/8'',11/16'',3/4'')
3/16''-1/2''（3/16'',1/4'',5/16'',3/8'',7/16'',1/2''）
Package Contents:
5 x Step Drill Bits
1 x Automatic Center Punch
1 x Aluminum Case
Technical Specifications
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