Product Name: Vacuum Brazed Diamond Drill Core Bits Sets Hole Saw 

Quantity: 1set/4pcs boxed drill bits

Contains：4pcs(6/6/6mm) drill bits and 1pc 20mm Chamfer bit 

Specification:

1, Core bits: Dia 6/6/6mm; M14 Thread; total length 60mm; diamond height 10mm; 

2, Chamfer Bit: Dia 20mm; M14 Thread; total length 40mm;Working length 20mm               

Feature:

• Dry or wet drilling

• Having wide application: for porcelain tile granite marble stone 

• All bits are produced in vacuum brazed technology

• Vacuum brazed technology provides longer working life

• High quality diamond grain provide fast and smooth drilling