Name: 7 sets of step drill slotting sawing drill center punch set
Package: 7-piece plastic bag / 7-piece plastic box
Step drill saw drill material: high-speed steel 4241
Surface treatment: titanium plating
Center punch material: high speed steel + chrome alloy steel thimble
Specifications: step drill 4-12/4-20/4-32mm + slotted saw drill 3/6/8mm + 1 gold center punch
Weight: 332g in bag 500g in box (plastic box size: 190*135*43mm)
Use: Suitable for aluminum, wood, plastic slotting drilling and reaming processing; the center punch can be used for marking positioning, glass breaking, etc.