3pcs Titanium Coated HSS Step Drill Bit Set,Drill Through Plastic, Wood, Metal Sheet & Aluminum With Step Drill

 Product name: bagged step drill three-piece set
Product specifications: Small set: 3-12mm, 4-12mm, 4-20mm, large set: 4-12mm, 4-20mm, 4-32mm
Material: titanium plated high speed steel
Scope of application: Suitable for drilling and reaming of thin aluminum plate, copper plate, plastic board and other materials
Feature 1: The international standard 6.35mm hex handle is suitable for a variety of models
Feature 2: High quality high-speed steel surface titanium plating process, improve the sharpness and wear resistance of the drill bit
Feature 3:118°X opening design, more accurate positioning and effective reduction of bit slip