10Pcs 1/8 Inch Drill Bit Set, Craftsman-Drill Bit Set, Metal Drill Bits, Small Drill Bits for Wood, Steel, Metal, Plastic with Quick Change Design
Specifications:
Size:1/8 inch
Includes:10 drill bits
Material: 5% Cobalt M35 High Speed Steel.
Angle Point: 135 Degree.
Shank Type: Straight and Round Shank.
Features:
1.Made from M35 High Speed Steel and contain 5% Cobalt,which increases wear-resistance,durability and extra longer life span.
2.Fully ground spiral groove design clears particles quickly,decreases friction and heat for faster drilling performance.
3.135°quick-cut pilot split points are self-centering and can penetrate quickly with less pressure.Straight shank prevents walking and makes drilling precise and faster.
4.Suitable for drilling holes as Stainless Steel,Copper,Cast Iron,Galvanized Pipe,Aluminum Alloy,Wood and Other Softer Metals.
5.Manufactured to German DIN338 standard, This drill bit fits the majority of power drill currently on the market and easy storage and DIY.
Instructions for use:
1.Keep the drill bits vertical to the object when drilling, Be sure to make both bit and work piece stable. Tilted bit is prone to break during drilling.
2.Be careful when you use an electric drill.Please start from the lowest RPM and pressure.
3.Drilling metal will accumulate an amount of heat. Necessary to use cooling liquid during drilling to keep the bit cool. Both ok to use lubricant oil and to pour water.
4.It's highly recommended that you use a drill press to drill thick metals.