Diamond Core Drill Bit Set - FOCSTOL 11pcs (6/8/10/25/35/50/68/110mm+20mm Finger Milling Bit+50mm Beveling Chamfer Bit+Hex) Diamond Hole Saw Kit for Porcelain Ceramic Tile Marble Granite

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Diamond Core Drill Bit Set - FOCSTOL 11pcs (6/8/10/25/35/50/68/110mm+20mm Finger Milling Bit+50mm Beveling Chamfer Bit+Hex) Diamond Hole Saw Kit for Porcelain Ceramic Tile Marble Granite
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  • Package Include Total 11pcs set 8pcs core drill bits 6 8 10 25 35 50 68 110mm; 1pc 20mm finger milling bit; 1pc 50mm beveling chamfer bit; 1pc hex adapter; diamond height of drill diameter 16mm, diamone height 10mm; diameter 20mm, diamone height 15mm
  • High-quality Diamond High-quality base steel, high-quality diamond provides to improve the efficiency of hole drilling
  • Vacuum Brazed Technology Vacuum brazed technology provides higher processing efficiency and longer working life. Dry or Wet use. Wet using will prolong the working life and get better drilling effect
  • Recommended Machine M14 Thread Angle Grinder. Less than 100mm Recommended speed 6000RPM, maximum speed 11000RPM. 100mm and above Recommended speed 3000RPM, maximum speed 6000RPM. If you want to use electric drill or other machine, you can use Hex adapter in the package. (Use electric drill Before starting drilling, please confirm your drill's RPM, at least over 2000RPM. Faster the RPM, longer the drill bit's working life)

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