5PCS PRO HSS Step Cone Drill Titanium Steel Metal Hole Cutter Bit Set with Case

Great Performance

1. Made of high quality carbide, it is high-wearable and has a long life. You can decrease the times of changing cutters, save production time.
2. Carbide end mills provide better rigidity and can be run faster than other material end mills.
3. Straight shank handle, rounded chamfer design for easy installation and improved work efficiency.
4. 4 flutes end mill produce a much finer finish than other flute tools, ideal for peripheral and finish milling.
Production Description

Features
-Thus set replaces 50 individual drill bits.Two-flute design gives you faster, smoother cutting.3-sided shank will not slip in your drill's chuck.Coabalt coated for smoother cooler cutting.
-Self Starting, no need for a pilot hole
-Cobalt coated to reduce friction and run cooler
-Large bit has 3-sided shank and small bits have hex shank to prevent slip in drill chuck
-Automatically deburrs holes as you drill
-Made by long life high speed steel
-Includes protective padded aliminum case

Specifications
-Package Size:15cm*10.5cm*4.2cm(L*W*H)
-Weight:450g

Size:
#1:3/16'' to 1/2" 6 Steps(3/16",1/4",5/16",3/8",7/16",1/2")
#2:1/8" to 1/2" 13 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")
#3:1/4" to 3/4" 9 steps(1/4",5/16",3/8",7/16",1/2",9/16",5/8",11/16",3/4")
#4:1/4" to 1-3/8" 10 steps(1/4",3/8",1/2",5/8",3/4",7/8",1",1-1/8",1-1/4",1-3/8")
#5:3/16" to 7/8" 12 steps (1/4",5/16",3/8",7/16",1/2",9/16",5/8",11/16",3/4",13/16",7/8")

Package included:
1×1/4-1-3/8 Drill Bit
1×3/16-7/8 Drill Bit
1×1/4-3/4   Drill Bit
1×1/8-1/2   Drill Bit
1×3/16-1/2  Drill Bit
1×Aluminum Box