Feature:1. Carbide four-edged crossdrill, sharping and long-lasting, fast drilling, versatile and accurate hole punching.2. YG8 alloy drilling edges, high toughness, abrasion resistance, high density hardness, and nice adaptability.3. Widened spiral texture, smooth chip removal, faster chip removal when operating and using, and reduced damping feeling of the drill.4. Hexagonal drill shank with high compatibility, suitable for lithium drill, electric drill, table drill and other power tools on the market, ready to install and use, easy to operate.5. The drill bit is suitable for a variety of materials, such as foam brick, aluminum alloy, wood type, bubble brick, concrete, plastics, red brickd etc.6. Multiple uses, for avoiding the burning of the drill bit, when drilling on tile, glass tile, marble, glass and other materials, it needs to be operated with water all the time.Specification:Carbide four-edged crossdrill, sharping and long-lasting, fast drilling, versatile and accurate hole punching. YG8 alloy drilling edges, high toughness, abrasion resistance, high density hardness, and nice adaptability. Widened spiral texture, smooth chip removal, faster chip removal when operating and using. Hexagonal drill shank with high compatibility, suitable for lithium drill, electric drill, table drill and other power tools on the market. Features:Carbide four-edged crossdrill, sharping and long-lasting, fast drilling, versatile and accurate hole punching.YG8 alloy drilling edges, high toughness, abrasion resistance, high density hardness, and nice adaptability.Widened spiral texture, smooth chip removal, faster chip removal when operating and using, and reduced damping feeling of the drill.Hexagonal drill shank with high compatibility, suitable for lithium drill, electric drill, table drill and other power tools on the market, ready to install and use, easy to operate.The drill bit is suitable for a variety of materials, such as foam brick, aluminum alloy, wood type, bubble brick, concrete, plastics, red brickd etc.Multiple uses, for avoiding the burning of the drill bit, when drilling on tile, glass tile, marble, glass and other materials, it needs to be operated with water all the time.Specifications:Name: Drill Bit SetMaterial: carbide alloy5mm:Drill diameter: 5mmDrilling depth: 45mmShank diameter: 6.35mmTotal length: 100mmWeight (piece): 16g6mm:Drill diameter: 6mmDrilling depth: 65mmShank diameter: 6.35mmTotal length: 100mmWeight (piece): 18g8mm:Drill diameter: 8mmDrilling depth: 75mmShank diameter: 6.35mmTotal length: 105mmWeight (piece): 24g10mm:Drill diameter: 10mmDrilling depth: 85mmShank diameter: 6.35mmTotal length: 115mmWeight (piece): 31gPackage size: 135 * 60 * 22mm / 5.31 * 2.36 * 0.87inPackage weight: 230g / 8.11ouncePacking List:2 * 5mm Drill Bit4 * 6mm Drill Bit2 * 8mm Drill Bit1 * 10mm Drill Bit1 * 12mm Drill BitPackage List:2 * 5mm Drill Bit4 * 6mm Drill Bit2 * 8mm Drill Bit1 * 10mm Drill Bit1 * 12mm Drill Bit