10/13/19Pcs 1-10mm High Speed Steel M35 Straight Shank Twist Drill Bits Set Quick Change Regular Drilling Tools

Features:
- [Heat Resistant]: Manufactured from M35 high speed steel with 5% cobalt, with creates a hardened alloy, extremely heat resistant; for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit. 
- [Safe & Eco-friendly]: Durable, safe and eco-friendly, providing longer tool life and reducing environmental pollution, It is a very practical and user-friendly drill bit for cutting through hardened material. 
- [Practical Design]: The metal drill bits kit features a straight shank design that makes it easier to fix and precisely machine, saving time and improving work efficiency. It is perfect match for home DIY, workshop or vehicles repair shop. And iron, aluminum alloy, steel, copper, wood, plastic. 
- [Organized holder]: Set includes the drill bit holder with size index for easy storage and organizing. 
  
Specification:
Type:Straight shank twist drill; 
Material:M35 High speed steel; 
Style:Professional; 
Handle:Round handle; 
Size
10pcs: 1/2/3/4/5/6/7/8/9/10mm; 
13pcs: 1.5/2/2.5/3/3.2/3.5/4/4.5/4.8/5/5.5/6/6.5mm; 
19pcs: 1/1.5/2/2.5/3/3.5/4/4.5/5/5.5/6/6.5/7/7.5/8/8.5/9/9.5/10mm; 
Outer edge angle:135°; 
Wearable star:5 star; 
Hardness grade:5A; 
Number of holes:Approx. 350pcs; 
Type (Optional):
10-piece plastic box / 13-piece plastic box / 13-piece tin box / 19-piece tin box; 
Package:Plastic/Tin box; 
Application:Iron, aluminum alloy, steel, copper, wood, plastic; 
  
Produce Included:
Type:Package
10-piece plastic box; 
10 Pcs x Twist drills; 
13-piece plastic box; 
13 Pcs x Twist drills; 
13-piece tin box; 
13 Pcs x Twist drills; 
19-piece tin box; 
19 Pcs x Twist drills