1. M3 and M42 (8% cobalt) Bi-metal Hole Saw is one of our main products and is produced by our own factory.

2. It is used for cutting wood, plastic, metal, Aluminium and Stainless Steel.

3. Our special teeth grinding makes the teeth much sharper and faster for cutting.

4. Sizes from 14mm(9/16"") to 210mm (8 17/64"")

5. We can provide 3 kinds of cutting depth: 38mm, 45mm and 48mm.

6. MOQ will be 100pcs each size without OEM brand and 300pcs each size with OEM brand.