JONMON Brad Point Drill Bits Set - 4-10mm 3 Point Quick Change Hex Shank Woodworking Countersink Bits, HSS Carbon Steel Spiral Twist Counter Sinker Drilling Tool for Wood, Plastic,5Pcs

These brad point twist drills are designed for maximum performance, the optimized spurs ensure fast and easy cutting of the wood fibers. Features: * Precision ground center point allows correct placement and starting of drilling operations. * Make brad point to sure it more sharp and smooth,make your drilling work more easily. * With integrated 1/4-inch hex shank is compatible with most quick change chuck drivers. * The drill bits with marked sizes for easy identification when using. * Can drill more faster and smooth on the soft materials like wood,plywood,PVC plastic. Specifications: Color: Black Material: Carbon steel Flute Type: Spiral Shank Type: Hex Shank Size: 4mm/5mm/6mm/8mm/10mm (5/32", 3/16", 1/4", 5/16", 3/8") Package List: 5 x Brad Point Drill Bits Note: 1.Hand electric drill speed should be less than 1000rpm 2.Not for drilling metal,glass,title

• PREMIUM QUALITY - The countersink drill bits set for wood are made of high carbon steel, which featured with high hardness, excellent cutting power and good cutting edge retention.
• 3 POINTED DESIGN - The countersink drill bits pointed tip that make sure drills will not produce offset.And the edged chamfer design helps to remove chips from the holes on both sides accurately and quickly.
• EASY OPERATION - The hex shank fit quick-change and lock firmly, which can prevent bits from slipping and improve your working efficiency.
• PACKAGE SET - One set of countersink drill bit included 5 pcs in 5 different sizes including #4 #5 #6 #8 #10mm to meet your daily DIY wood project.
• MULTIPLE APPLICATION - Perfect for wooden planks, fiberboard, particle board, plywood, plastic, PVC and soft metals.Suitable for hand drill, bench drill and conventional electric drill, NOT for hard metals or steel board.