Countersink Drill Bit,Steel Countersink Drill Bit Carpentry Woodworking Boring Tool Round Shank With Hex Key(4mm)

• [MATERIAL]— Our Countersink Drill Bit is made of carbon steel and the countersink is made of 45# steel, which is strong
• [QUICK CHIP REMOVAL]— The five-blade design provides less chip load and removal for quick and accurate drilling of smooth holes for and smoother chip evacuation.
• [WIDE RANGE OF USES]— Combination drills and countersink bits are ideal for drilling, chamfering, deburring and countersinking, ideal for drilling low-hardness panels in soft materials such as wood, plastic, soft metals, particleboard, plywood, aluminum, etc.
• [OPTIONAL SIZE]— The Countersink Drill Bit Set,there are 10 sizes of 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm, you can choose the one you need to meet all your needs.
• [GUARANTEE]— If you have any questions about the product, we will give you a satisfactory answer.

Features: ★ Drill bit is made from carbon steel and countersink is made from good quality 45# steel which ensures a long service life. ★ Combined drill bit and countersink bit is great for drilling, chamfering, deburring and countersinking. ★ Suitable for drilling holes on board of low hardness such as wood, plastic and other soft material. Specifications: Material: Carbon steel(drill bit), 45# steel(countersink) Countersink Flute: 5 Drill Bit Diameter: 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm, 3-10mm(3/4/5/6/7/8/10mm), 3-6mm(3/4/5/6mm)(Optional) Countersink Diameter: 15.8mm Hex Key Size: 55 x 20mm Quantity: Your choice Note: There are only 7pcs in 3-10set, and only 4pcs in 3-6set. Package Includes: 1pcs(or 1 set) x Countersink Drill Bit 1 x Hex Key