Suitable for cork, hardwood, mahogany, solid wood, etc., compatible with hand electric drills and bench drills. A type of right-handed conical self-tapping drill tip is used for positioning, so that drilling is smooth and light, and the hole wall is flat after drilling. The round is beneficial to the accurate positioning of the corner cone drill bit, so as to form a hole and stay in the chuck without moving. Made of high-quality and durable carbon steel, it gives them lasting characteristics and helps them keep sharp even after many years of use. With our hexagonal drill, the profile teeth spur enables the drill to efficiently cut the wood grain during the cutting process, leaving a smooth and clean edge around the hole opening, which means that no final grinding is needed. Name: Hexagon drill set Specification: φ 6/8/10/12/14/16 Material: steel Colour:silver Package Contents: 1 x Hexagon drill set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.