This precision made Drill Bit Sharpening Machine is so simple to use, anyone can sharpen dull bits in three easy steps. Just set the drill bit in the collet, grind the taper relief angle and grind the web thinning angle to reduce the center point width. It features a depth adjustment gauge, tapered diamond wheel, 90°-140° angle setting adjustment and built-in collet tray. Collet sizes include 1/8", 5/32", 3/16", 1/4", 9/32", 5/16", 3/8", 25/64", 7/16", 15/32" and 1/2". Patented in the US!

Features:

• 170 grit, 65° tapered diamond grinding wheel
• Sharpens 1/8" - 1/2" (3-13mm) twist drill bits
• Sharpens HSS, TiN-coated, cobalt and carbide bits
• Includes cleaning knob brush and 11 collets
• Easy three-step sharpening process
• 6,000 RPM
• Machine weight: 18 lbs.
• Smooth, low-vibration grinding will amaze you!
• Optional tungsten grinding wheel required for grinding carbide