PreAsion 110V MR-20G Drill Bits Sharpener 3-20mm Drill Bits Sharpener with 18 Collets Angle Adjustable Grinding Machine 100°(95°)~135°Twist Drill High-precision Sharpening Tool (CBN wheel for HSS)

PreAsion 110V MR-20G Drill Bits Sharpener 3-20mm Drill Bits Sharpener with 18 Collets Angle Adjustable Grinding Machine 100°(95°)~135°Twist Drill High-precision Sharpening Tool (CBN wheel for HSS)

• 【Safe & Efficient Operation】Equipped with professional drill bit collet chuck, so that you do not touch the drill bit during the grinding process, which is safer.The CBN wheel is used for High speed steel material
• 【Powerful Pure Copper Motor】Powerful DC motor electronic control, speed 4400 rpm, frequency stabilization, strong horsepower, prolonged use and low noise
• 【Precision Angle Adjustment】 Easily set the point angle between 100° (95°) and 135° to match the material and drilling speed, ensuring optimal performance for various applications
• 【Upgrade Function】It can sharpen the drill's point angle and lip relief angle, adjustable center chisel size, easy drilling and easy chip evacuation
• 【18-Standard Collet】This drill bits sharpener uses ER20 and ER25 style collet. There are 18 collets (3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20) which is suitable for ф3-ф20 mm diameter of drill bits