woobles Countersink Drill Bit Set - high speed steel 4341 6pcs 6.3-20.5mm

Features: 1. The 6-piece set of 3-blade 90-degree countersunk bits is suitable for processing metal and some non-metal materials, such as carbon steel, steel, thin iron plate, insulating plate, PVC plate, aluminum, soft hard wood, plastic, etc.The high-quality countersunk bit has good deburring and no scratches. It is very suitable for making counterbores and counterbores for plugs. The counterbore of the high-speed steel countersunk bit set is carbon steel, the surface is plated with titanium, which is sturdy and durable, not easy to rust, and has a long service life. Can be drilled easily and effectively without burrs. The titanium-plated countersunk head is very sharp, with high circumferential machining accuracy and durability. Compatible with various ordinary drilling rigs, including vertical drilling rigs. The 6-piece 3-blade 90-degree countersunk bit is suitable for processing metal and some non-metal materials, such as carbon steel, steel, thin iron plate, insulating plate, PVC plate, aluminum, soft and hard wood, plastic, etc. 3-channel high-speed steel countersunk bit kit specifications: head diameter * shank diameter * length 6.3MM: 6.3mm*5mm*45mm. 8.3MM: 8.3mm*6mm*50mm. 10.4MM: 10.4mm*6mm*50mm. 12.4MM: 12.4mm*8mm*6.52mm 16.5mm*10mm*60mm. 20.5MM: 20.5mm*10mm*65mm. Specifications: Model: HSS chamfer drill bit set Type: Wood drill Material: high speed steel 4341 Surface treatment: Titanium coating Quantity: 6pcs Features: This product can complete the taper surface processing at one time. Packing List: 6 X 90 Degree Countersink Drill Bits