.PDC core drill bits can drill fast
2.Longer service life
3..Best price & quality
2.Longer service life
3..Best price & quality
Specifications
1.Wet drilling
2.Speed:2500-5000rpm
3.40-60s/hole for 3cm granite
4.Lifetime:100-150 holes
1.Wet drilling
2.Speed:2500-5000rpm
3.40-60s/hole for 3cm granite
4.Lifetime:100-150 holes
5.Suitable for dry drilling stone.
6.High frequency welded;
For drilling granite and marble.