13pcs 6-65mm Triangle Shank Vacuum Brazed Diamond Core Drill Bits Diamond Saw Blade Beveling Chamfer Set For Tile Marble Masonry

Dia 6/8/10/20/25/28/32/35/45/50/65MM Grit:#50/60

Diamond height:10mm Total height:65mm Connection:Triangular shank
*Chamfer Bit: Hex Shank
Diameter 50mm, Total length 73mm, Working length 43mm, Top angle 60°; Grit #80;

1. Three sided handle design (handle diameter 10mm), more stable clamping, more stable drilling, less debris, less wear on materials and better finishing effect;
2. 10mm high grit diamond at the top of the bit, which is densely arranged to make the drilling
faster and longer service life;
3. 6-10mm internal wax cooling, dry drilling without water; When drilling, the wax will melt to
lubricate and cool the drilling surface; There is a spiral groove on the top of the bit, which helps to improve the drilling efficiency and discharge debris;
4. 20mm and above, with 4 u slots on the top of the drill bit to improve the working efficiency
of the hole drill;
5. Vacuum brazing technology has greatly improved product quality and service life, higher efficiency and lower cost;