A professional who sharpens boring tools, such as bits and router cutters, using oilstone, and bench grinder with tool-holding adapters. Respnsibilities include:

• Inserts bit into collet of tool adapter, and turns handwheels to adjust relative angle of bit axis and grinding wheel surface, according to specifications.
• Starts bench grinder, and turns handwheels to move bit against grinding wheel, and turns bit to sharpen each cutting edge.
• Rubs bit on oilstone by hand to smooth edges and complete sharpening.
• May file auger spurs to sharpen them.
• May sharpen cutlery and small shop tools.