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Specification:
☉ Material: Stainless Steel
☉ Quantity: 10
☉ Color: Silver
☉ Size: 6mm/0.23", 8mm/0.31", 10mm/0.39", 12mm/0.47", 14mm/0.55", 16mm/0.62", 18mm/0.70", 20mm/0.78", 22mm/0.86". 30mm/1.18"
Tip:
☉ When punching holes, first make a 45-degree inclined angle on the surface of the material to make a curved moon groove, and then punching holes vertically to the surface of the material.
☉ Do not press hard when drilling.
☉ Please keep adding water to cool down the temperature during use, and gently shake the hole saw to facilitate the discharge of chips.
☉ Suitable for all kinds of general-purpose electric drills.
☉ Not for use on Concrete or for depths beyond about 1/2".
☉ The harder your material, the slower drill speed you should use.