Diamond grit edge hole saws have been specially developed for professionals that need to drill in extremely hard materials where it is increasingly difficult to drill with conventional hole saws. These hole saws guarantee excellent performance and superior liftetime!

Specs:
Hole Diameter: 1/4"
Cutting Depth: 1-3/8"

Features:
Special Side Holes
Fast and easy center drill change
Thin cutting edge

Dimaond grit premium grade
Well-shaped and extremely strong cubo-octahedral iinclusion-free heat-resistant crystals delivers fast, clean cuts up to 10 times longer life.

Applications:
Floor tiles, wall tiles, hard stones, solid bricks, sandwich materials, masonry, gypsum/plasterboard, fiber cement board, fiberglass