• This is a kind of quality core drill bit, with fast cutting speed, and the holes are round, neat, and free of burrs. The cutter blade is sharping, large opening with small resistance, which is fine for chip removal
• Made of quality diamond material, wear-resistance and can provide a long service time
• Brazed with diamond, it can be used to dry drilling directly without adding water
• Equipped with clearly laser marking, size will be seen at a glance
• Fast cutting speed, the holes are round, neat, and free of burrs
• The cutter blade is sharping and firm, and it is difficult to wear
• Large opening with small resistance, which is fine for chip removal
• 22 kinds of specifications available, you can choose 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 30mm, 32mm, 35mm, 38mm, 40mm, 45mm, 50mm, 55mm, 60mm according to your demands
• 6-14mm are filled with quality high-temperature wax, with fine cooling and lubrication effect
• Wide applications, which can be used to open holes on the marble stone, ceramic brick, wall, and other materials

Specifications:

• Name: Drill Bit
• Material: metal + daimond
• Type: 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 30mm, 32mm, 35mm, 38mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 68mm (optional)
• Item Size:
• 6mm: 63 x 23 x 23mm / 2.48 x 0.91 x 0.91in
• 8mm: 63 x 23 x 23mm / 2.48 x 0.91 x 0.91in
• 10mm: 61 x 23 x 23mm / 2.40 x 0.91 x 0.91in
• 12mm: 61 x 23 x 23mm / 2.40 x 0.91 x 0.91in
• 14mm: 61 x 23 x 23mm / 2.40 x 0.91 x 0.91in
• 16mm: 61 x 23 x 23mm / 2.40 x 0.91 x 0.91in
• 18mm: 62 x 28 x 28mm / 2.44 x 1.10 x 1.10in
• 20mm: 62 x 28 x 28mm / 2.44 x 1.10 x 1.10in
• 22mm: 62 x 28 x 28mm / 2.44 x 1.10 x 1.10in
• 25mm: 62 x 28 x 28mm / 2.44 x 1.10 x 1.10in
• 28mm: 63 x 29 x 29mm / 2.48 x 1.14 x 1.14in
• 30mm: 62 x 32 x 32mm / 2.44 x 1.26 x 1.26in
• 32mm: 63 x 33 x 33mm / 2.48 x 1.30 x 1.30in
• 35mm: 63 x 36 x 36mm / 2.48 x 1.42 x 1.42in
• 38mm: 61 x 39 x 39mm / 2.40 x 1.54 x 1.54in
• 40mm: 63 x 42 x 42mm / 2.48 x 1.65 x 1.65in
• 45mm: 63 x 47 x 47mm / 2.48 x 1.85 x 1.85in
• 50mm: 63 x 52 x 52mm / 2.48 x 2.05 x 2.05in
• 55mm: 63 x 56 x 56mm / 2.48 x 2.20 x 2.20in
• 60mm: 63 x 61 x 61mm / 2.48 x 2.40 x 2.40in
• 65mm: 63 x 66 x 66mm / 2.48 x 2.60 x 2.60in
• 68mm: 63 x 70 x 70mm / 2.48 x 2.76 x 2.76in