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Twist Drills for Brass
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Description: "For brass or other soft metals there may be used with advantage a twist drill as shown. The cutting edges of the drill are ground straight and in line with the body of the drill for a distance of 0.03 to 0.06 in. = 0.8 to 1.6 mm. This prevents the breaking of the drill when it goes through the work—piece." —Grimshaw, 1902
Source: Grimshaw, Robert Modern Workshop Hints (Philadelphia: Sampson Low Marston & Company LTD, 1902) 197
Keywords: Twist Drills for Brass, Brass Twist Drill, Drill for Brass, Brass Hole Drill, Tools, Tool, Metalworking
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