Min. Order Reference FOB Price
10 Pieces Negotiable
Product Description
Φ 5mm, Φ 6mm, Φ 8mm, Φ 10mm, Φ 12mm, Φ 15mm, Φ 18mm, Φ 20mm drill bit for porcelain drilling. The drill bit tips can be withdrawable. It can save some cost for you. 1. Thinner diamond segment and thinner tube wall can easily reduce the resistance and increase the ...