Resharpening of the twist drill bits To get a good performance from a drill bit the sharpening must be done correctly this sends the image to a computer that does the comparison between the theoretical and the In many cases it is necessary to use special types of sharpening to get a better
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Get PriceDrill Size Decimal eQUiValent tap Size 80 0135 1 79 0145 64 0156 78 0160 77 0180 76 0200 75 0210 74 0225 73 0240 72 0250 71 0260 70 0280 69 0292
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