Feature(may vary by option.)

●Set Includes: Set of 3 spiral drill spiral grooves (0.2 - 1.3 inches (4 - 32 mm), 0.1 - 0.8 inches (4 - 20 mm), 0.1 - 0.5 inches (4 - 32 mm), 0.4 - 0.5 inches (4 - 20 mm), 0.4 inches (4 - 0 inches (12 inches (12 inches (Hand Drill/Bench Drill is recommended
●Size: 15 steps 4-32 mm (4/6/8/10/12/14/16/18/20/22/24/26/28/30/32), 9 levels of 4-20 mm (4/6/8/10/12/14/16/18/20), 4-12 mm 9 /5/6/7/8/9/10/11/12) Hex Shaft Diameter: 0.25 inches (6.35 mm)
●The surface is treated with titanium coating, which makes it harder than ordinary steel step drills, improving the resistance to oxidation and corrosion and has excellent sharpness. The recommended revolutions are 200-800rpm, but when the diameter is larger it needs to be slow down to prevent heat and damage to the rotary head
●It can be punched into any size hole from large to small holes and can be beveled at the same time saving time. Prevent the drill from falling or losing and comes with a storage bag for easy carrying. Great for home and office use
●Can be used for drilling, reamer, beveling, deburring, etc. Suitable for processing thin iron, aluminum, wood, resin, etc. Board thickness is less than 0.2 inches (5 mm) (do not exceed 1 level)

[(Spiral Drill |  Spiral Groove)]





Description

Can be used for drilling, reamer, beveling, deburring, etc. Suitable for processing thin iron, aluminum, wood, resin, etc. Board thickness is less than 0.2 inches (5 mm) (do not exceed 1 level).