product description:
Product detail:6 mm hole saw :hole diameter is 6 mm (1/4 inch),shank diameter is 5 mm, length is 80 mm
8 mm hole saw :hole diameter is 8 mm,shank diameter is 7 mm, length is 76 mm
10 mm hole saw :hole diameter is 10 mm,shank diameter is 8 mm,length 80 mm
12 mm hole saw :hole diameter is 12 mm,drilling depth is 48 mm,shank length is 24 mm,shank diameter is 8 mm,length is 80 mm
14 mm hole saw :hole diameter is 14 mm,drilling depth is 50 mm,shank length is 23 mm,shank diameter is 8 mm,length is 80 mm
16 mm hole saw:hole diameter is 16 mm,drilling depth is 50 mm,shank length is 25 mm,shank diameter is 10 mm
drilling with the water to cool down the drill bit ,good cooling can enhance the drill bit service life and significant improve the speed ,drilling with water do not drill dry.
diamond hole saw drill bit is not suitable for the metal material product
Used for bench drill, hand electric drill and other machine have drill functions,but can t used in Impact drill
if the drill bit become blunt, drilling on the wheel or refractory bricks, re-open the blade.
package: 6 pcs
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