Experience precision and efficiency with MRCM drill bits sharpener! With 95° to 135° adjustable point angles and 13 collets, it ensures accurate and stable sharpening for drill bits of ф3-ф15 diameters. Robust CBN grinding wheel is used for high speed steel material to optimize efficiency. Precision Grinding Made Easy! Our drill bit sharpener allows for precise sharpening of point and lip relief angle. And the point angle can be adjusted from 95° to 135°, which can effectively coordinate with the material of drill hole and the rotation speed. Equipped with durable CBN grinding wheel to enhance precision and work efficiency: the CBN wheel is ideal for high-speed steel materials. We also provide a professional drill bit collet chuck for added safety during operation. Easily Sharpen Drill Bits in 3 Simple Steps! Lightweight and user-friendly, our drill bit grinder sharpener is mainly constructed with 45# steel material for improved stability and durability. Simplify your drill bit sharpening process with ease. Our portable drill bit grinder comes with a powerful DC motor for strong and stable performance. With 4500rpm high-speed rotation, strong torque, long-lasting durability, and minimal noise, this drill bit sharpener machine offers robust support for your sharpening tasks. COMPARISON OF 13 TYPE DRILL GRINDER standard back angle geinding hole front corner grinding hole with adjustable locating pin separte rear cprner grinding hole and front corner drinding hole MR-13A MR-13B Drill Bits Sharpener, 3-13mm End Mill Grinder Sharpener, Lip Relief Angle & 9... MRCM Drill bit Sharpener for High-Speed Steel, Masonry, Carbide, Cobalt, & Ti... Add to Cart Add to Cart Buying Options Add to Cart Customer Reviews 4.7 out of 5 stars 50 4.0 out of 5 stars 13 4.7 out of 5 stars 50 4.0 out of 5 stars 13 Price $209.00$209.00 $399.00$399.00 — no data $529.00$529.00 Drill Bit Size 3mm-15mm 3mm-15mm 3mm-15mm 3mm-20mm Drill Bit Types Carbide, Cobalt, High-Speed Steel, Black Oxide, TiN-Coated, and Masonry Carbide, Cobalt, High-Speed Steel, Black Oxide, TiN-Coated, and Masonry Carbide, Cobalt, High-Speed Steel, Black Oxide, TiN-Coated, and Masonry Carbide, Cobalt, High-Speed Steel, Black Oxide, TiN-Coated, and Masonry Drill Bit Twist Point Angle 90°-140° 90°-140° 90°-140° 90°-140° Adjustable Chisel & Relief Angle ✓ ✓ ✓ ✓ Creates and Restores Split Points no data no data ✓ no data