5 pieces/box hex shank diamond dry drill bit

Description

Specification:

Box 1 including: 5mm, 6mm,8mm,10mm,12mm hex shank diamond dry drill bit

Box 2 including: 6mm, 6mm,8mm,10mm,12mm hex shank diamond dry drill bit

Box 3 including: 6mm, 8mm,10mm,12mm,14mm hex shank diamond dry drill bit

For hex shank bit: with 3/8" hex Shank, diamond length 10mm, total length: 65mm(5mm&6mm), 80mm(8mm and above)

Application:

For drilling granite & marble, masonry, concrete, tile/ceramic, hard plastic.....

Feature:

Wax inside for cooling, Dry drilling without water
Very high efficiency, multi-purpose drilling
Long life drilling