12-PCS Masonry Drill Bit Set & Concrete Drill Bit Set, 1/8 to 1/2 inch Professional Carbide Drill Bits Tip for Glass, Tile, Brick, Cement Concrete Plastic Wood etc. Masonry Drill Bits Set by DYRECELVE

Product description DYRECELVE - MULTIFUNCTIONAL CARBIDE DRILL BIT SETS <img alt="Masonry Drill Bit Set &amp; Concrete Drill Bit Set" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/417a26ed-6299-4325-96fe-a42c678248fc.__CR0,0,600,450_PT0_SX600_V1___.jpg"> DYRECELVE - CONCRETE DRILL BIT SET FEATURES 1 CARBIDE DRILL TIP 2 U-TYPE SLOT DESIGN 3 NON-SLIP TRIANGLE HANDLE 4 EASY TO STORE AND USE DRY DRILLING MATERIAL <img alt="Masonry Drill Bit Set &amp; Concrete Drill Bit Set" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/89976a61-3ce6-4375-b57c-b5913a729e00.__CR0,0,600,450_PT0_SX600_V1___.jpg"> FOR HARDER MATERIALS ADD WATER TO DRILL HOLES <img alt="Masonry Drill Bit Set &amp; Concrete Drill Bit Set" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/0f3dd11c-5c0a-4a8e-aabb-9b571950d4cc.__CR0,0,600,450_PT0_SX600_V1___.jpg"> <img alt="Masonry Drill Bit Set &amp; Concrete Drill Bit Set" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/2c01bccd-4fb2-4eb2-a073-7c4be43ab41e.__CR0,0,600,450_PT0_SX600_V1___.jpg"> COMPATIBLE MODEL <img alt="Masonry Drill Bit Set &amp; Concrete Drill Bit Set" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/908bd80c-15e8-4281-a3ef-dbf3f6785d19.__CR0,0,600,450_PT0_SX600_V1___.jpg"> Material Color PREMIUM Steel Alloy, Black 12-PCS Drill Bits Diameter 1-pcs * 1/8", 1-pcs * 5/32", 2-pcs * 3/16", 4-pcs * 1/4", 2-pcs * 5/16", 1-pcs * 3/8", 1-pcs * 1/2".

That will help in drilling by starting with smallest bit and continuing to size needed.

Suitable for Tools Masonry drill Bits for electric drill, hand drill and bench drill.

Please slow down when using a bench drill.

Not suitable for a hammer drill with an electrical