6-22mm Diamond Drill Bits 9pcs Precision Cutting for Ceramic Glass Brick

6-22mm Diamond Drill Bits 9pcs Precision Cutting for Ceramic Glass Brick Description

Product Details ①. High-strength carbon steel construction with nickel surface ensures durability and precision for long-term use ②. Diamond coating on hole saw blade enables sharp and smooth cutting without broken edges ③. Lower resistance blade design improves drilling efficiency for accurate circular holes ④. Nickel-plated surface enhances corrosion resistance and extends service life ⑤. Suitable for drilling glass, ceramic tiles, brick containers, fiberglass, glazed bricks and stones Specification ①. Material: High-strength carbon steel with nickel surface ②. Diameter options: 6mm (0.24"), 8mm (0.31"), 10mm (0.39"), 12mm (0.47"), 14mm (0.55"), 16mm (0.63"), 18mm (0.71"), 20mm (0.79"), 22mm (0.87") ③. Features: Laser marking for clear dimension identification Package List ①. 9 x Diamond drill bits (6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm) Warm Tips ①. Use appropriate drilling speed and pressure to ensure optimal performance ②. Keep drill bits clean after use for better maintenance ③. Wear protective equipment during operation for safety