Description
- Premium Material: This step drill sets are made of outstanding strong HSS steel material and coated with Titanium, which are wear-resistant, corrosion-resistant, rust-resistant, sturdy, and durable for long time use.
- Quick Assemble: 1/4"(6.35mm) hex shank work with most drills or drills with 1/4" chuck. The two-fluted design provides faster, smoother drilling, provided with small pressure.
- Easy to Use: The step drill bit for metal fits into power tools chuck securely and avoid slip. Step cone drill bits design for precision drilling different size holes, optimum speed, and accuracy.
- Widely Used: Titanium drill bit is suitable for processing copper and aluminum pieces, mold steel, spring steel, cast iron pieces, iron and other metal materials. Widely used to cut holes in aluminum, insulation board, PVC board, the thickness of wood within 5mm.
- Package Includes: You will receive 3 pcs step drill bits set, and one storage bag, with 3 kinds of size, the dimensions of step cutter for metal are: 4-12 mm, 4-20mm, 4-32mm, which can meet your needs in different needs.
