Item Type: Limit Taper Drill_x005F_x000D_Material: Alloy Steel_x005F_x000D_Color: Silver_x005F_x000D_Specification: 2.8 x 8mm_x005F_x000D_Use: For countersinking and tapping wood, plastic, soft metal, fiberboard, aluminum alloy screws, etc. 1APPLICABLE RANGE: The countersink drill bit can be used for countersinking and drilling of wood, plastic, soft metal and fiberboard, etc. 2ALLOY STEEL: The limit drill bit is made of alloy steel, with high hardness, impact resistance, wear resistance, and long service life. 3SPIRAL FLUTE: The spiral flute with central drill bit will quickly discharge debris from the hole, and effectively preventing clogging. 4ADJUSTABLE LIMIT: With fine workmanship, this limit countersink drill bit has adjustable limit, reasonable structure, and stable operation. 5OTHER TOOLS: Equipped with flat wrench, hexwrench and machine screw, the countersink drill is easy to operate, with high efficiency. 1 x Limit Taper Drill 1 x Wrench 1 x Hex Wrench 1 x Machine Screw 1 x Storage Box