Durability: Vacuum Brazed technology combines a high-quality steel matrix with diamonds in a scientific ratio and provides high efficient working performance and longer service life.
Fast drilling: Lightning teeth has wide chip removal slots, dust can be quickly discharged when drilling, not easy to be clogged.
Boxed Package Easy carry and store
1/4 inch Drilling Holes Dry or wet use for porcelain ceramic tile marble granite, etc.
1-3/8 inch Drilling HolesWork Effect
Enlarge/trim/repair holes ( Diamond Finger/Milling Bit as examples) Make curved rounded corners Work Effect Enlarge or grinding holes
Note: The kit contains diamond milling bit 20mm, and the picture shows the 10mm milling bit for functional demonstration.
Work Effect
Enlarge/trim/repair holes ( Diamond Beveling Chamfer Bit as a example) Enlarge holes Work Effect Chamfering/BevelingWork Effect
The kit contains the sds-plus adapter For hand drill or other standard drill machine with sds-plus shank.
Do not use impact or hammer mode.
Good work effect Make sure the speed is higher than 2000 RPM
. Typical hand drills are 2000-5000 RPM. Within this range, the faster the drill speed, the longer it will last. So we don't recommend for a cordless drill. The lithium drill has a lower RPM, about 1000 RPM.