features:
--100% and high quality.
--can be used with a standard electric drill.
--always use lubrication water・ otherwise the diamond core drill will burn.
--materials and only needs water for lubrication.
--this diamond coated core drill bit removes a complete circleglass・ marble・ tiles・granite・ ceramic or other.
specifications:
size1: 20mm/0.79"・ 25mm/0.98"・ 32mm/1.26"・ 35mm/1.38"・ 38mm/1.50"
size2: 20mm/0.78"・ 26mm/1"・ 30mm/1.18"・ 35mm/1.37"・ 42mm/1.65"
material: steel
use note:
start your hole diagonally・ make a round trace and then hold drill straight.
package includes:
1 set diamond tile hole saw drill bit 5pcs