Understand The Size Of The Extra Long Wood Drill Bit After Sharpening


Posted March 19, 2021 by jeejatools

Wood drills are rod-shaped or spiral-shaped tools with a cutting edge at the end, which are used to process through holes or blind holes.
 
Wood drills are rod-shaped or spiral-shaped tools with a cutting edge at the end, which are used to process through holes or blind holes. The difference between the woodworking head and the woodworking end mill is that there is no edge on the side. In addition to the main cutting edge, the wood drill has a sharp countersunk edge to cut the wood fiber and make the side of the hole flatter. But the length of the wood drill bit is not enough in some places, so there is the emergence of the extra long wood drill bit .
The extra long wood drill bit has a large cutting capacity and is generally made of ordinary carbon steel, which is simple to manufacture, such as forging, stamping, grinding, etc.
The moving speed of the drill bit on the surface of the grinding wheel is 4~5m/min, and the thickness of the drill bit being ground is less than 0.15mm. Do not press the drill bit hard on the grinding wheel. The drill bit is fed by turning the screw 2. Grind the flank on one side and then grind the other side. To reduce the length of the chisel edge, the chisel edge can be ground by hand on the small diameter grinding wheel from both sides of the spiral groove. After sharpening the drill, use oilstone with a grain size of 200 to 400 for fine polishing.
As woodworking knives and TCT circular saw blades have detailed tool classification methods. www.jeejatools.com
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Last Updated March 19, 2021