Looking for a type of drill bit to make a flat surface. - flat bottom drill bits
Note: The circumference unit is in inches and is dependent on if it’s a milling or turning operation. For milling operations, the circumference is of the cutter (tool in the spindle). For turning operations, the circumference is of the workpiece (the material in the chuck).
With WhizDrill we have put together a range of micro drills that start at 0,1 mm and go up to 3 mm. These can be ordered to any geometry and shank sizes in stock are 1,00 mm, 1,50 mm, 2,00 mm, 2,50 mm, 3,00 mm, 1/8’ and 4.00 mm. We can also deliver with the grade of carbide or with through coolant according to your special needs. Style A | Carbide 1-Flute Twist drill with reinforced shank To order see micro drill nomenclature Style B | Carbide 2-Flute Twist drill with reinforced shank Drill Bit Stock d D l L 9M F9 B9 DBR/L H P 0,20 18 0,20 1,00 1,80 25 k k k DBR/L H P 0,21 18 0,21 1,00 1,80 25 k k k DBR/L H P 0,-- 18 0,22-0,24 1,00 1,80 25 k k k DBR/L H P 0,-- 22 0,25-0,30 1,00 2,20 25 k k k DBR/L H P 0,-- 28 0,31-0,38 1,00 2,80 25 k k k DBR/L H P 0,-- 36 0,39-0,48 1,00 3,60 25 k k k DBR/L H P 0,-- 40 0,49-0,53 1,00 4,00 25 k k k DBR/L H P 0,-- 45 0,54-0,60 1,00 4,50 25 k k k DBR/L H P 0,-- 50 0,61-0,67 1,00 5,00 25 k k k DBR/L H P 0,-- 56 0,68-0,75 1,00 5,60 25 k k k DBR/L H P 0,-- 63 0,76-0,79 1,00 6,30 25 k k k DBR/L H P 0,-- 63 0,80-0,85 1,50 6,30 30 k k k DBR/L H P 0,-- 71 0,86-0,95 1,50 7,10 30 k k k DBR/L H P -,-- 80 0,96-1,05 1,50 8,00 30 k k k DBR/L H P 1,-- 90 1,06-1,15 1,50 9,00 30 k k k DBR/L H P 1,-- 100 1,16-1,30 1,50 10,00 30 k k k DBR/L H P 1,-- 112 1,31-1,49 1,50 11,20 30 k k k DBR/L H P 1,-- 120 1,50-1,69 2,00 12,00 30 k k k DBR/L H P 1,-- 130 1,70-1,99 2,00 13,00 38 k k k DBR/L H P 2,-- 140 2,00-2,49 2,50 14,00 38 k k k DBR/L H P -,-- 160 2,50-3,00 3,00 16,00 42 k k k Style C | Carbide 3-Flute Twist drill with reinforced shank To order see micro drill nomenclature Style D | Carbide 2-Flute Twist drill with Straight shank To order see micro drill nomenclature Style E | Carbide 2-Flute multiple Step Twist Drill with reinforced shank To order see micro drill nomenclature Style F | Carbide Spade Drill To order see micro drill nomenclature Style G | Carbide center drills Drill Bit Stock d D l L 9M F9 B9 DGR/L H P 0,-- 07 0,20 1,5 0,7 25 k k k DGR/L H P 0,- -08 0,21-0,24 1,5 0,8 25 k k k DGR/L H P 0,-- 09 0,25-0,30 1,5 0,9 25 k k k DGR/L H P 0,- -12 0,31-0,38 1,5 1,2 25 k k k DGR/L H P 0,-- 15 0,39-0,48 1,5 1,5 25 k k k DGR/L H P 0,- -19 0,49-0,60 1,5 1,9 25 k k k DGR/L H P 0,-- 21 0,61-0,67 1,5 2,1 25 k k k DGR/L H P 0,- -24 0,68-0,75 1,5 2,4 25 k k k DGR/L H P 0,-- 26 0,76-0,85 1,5 2,6 25 k k k DGR/L H P 0,- -30 0,86-0,95 1,5 3,0 25 k k k DGR/L H P 1,- -34 0,96-1,05 1,5 3,4 25 k k k DGR/L H P 1,- -38 1,06-1,15 1,5 3,8 25 k k k DGR/L H P 1,- -42 1,16-1,30 1,5 4,2 25 k k k DGR/L H P 1,- -47 1,31-1,49 1,5 4,7 25 k k k Style H | Carbide center drills long Drill Bit Stock d D l L 9M F9 B9 DHR/L H P 0,-- 44 0,70-0,79 1,5 4,4 30 k k k DHR/L H P -,-- 48 0,80-1,09 1,5 4,8 30 k k k DHR/L H P 1,-- 54 1,10-1,19 1,5 5,4 30 k k k DHR/L H P 1,-- 60 1,20-1,29 1,5 6 30 k k k DHR/L H P 1,-- 67 1,30-1,49 1,5 6,7 30 k k k DHR/L H P 1,-- 72 1,50-1,79 2 7,2 38 k k k DHR/L H P 1,-- 84 1,80-1,99 2 8,4 38 k k k DHR/L H P 2,-- 84 2,00-2,49 2,5 8,4 38 k k k Style I | Carbide Half - Round Drill Drill Bit Stock d D l L 9M F9 B9 DIR/L H P 0,-- 16 0,20-0,29 1,0 1,6 25 k k k DIR/L H P 0,-- 23 0,30-0,39 1,0 2,3 25 k k k DIR/L H P 0,-- 35 0,40-0,49 1,0 3,5 25 k k k DIR/L H P 0,-- 40 0,50-0,59 1,5 4,0 25 k k k DIR/L H P 0,-- 45 0,60-0,69 1,5 4,5 25 k k k DIR/L H P 0,-- 50 0,70-0,79 1,5 5,0 25 k k k DIR/L H P 0,-- 55 0,80-0,89 1,5 5,5 25 k k k DIR/L H P 0,-- 60 0,90-0,99 1,5 6,0 25 k k k DIR/L H P 0,-- 65 1,00-1,09 1,5 6,5 25 k k k DIR/L H P 0,-- 70 1,10-1,19 1,5 7,0 25 k k k DIR/L H P 0,-- 75 1,20-1,29 1,5 7,5 25 k k k DIR/L H P 0,-- 80 1,30-1,39 1,5 8,0 25 k k k DIR/L H P 0,-- 85 1,40-1,49 1,5 8,5 25 k k k DIR/L H P 0,-- 95 1,50-1,69 2,0 9,5 30 k k k DIR/L H P 0,-- 110 1,70-2,00 2,0 11,0 30 k k k DIR/L H P 0,-- 120 2,01-2,30 2,5 12,0 38 k k k DIR/L H P 0,-- 140 2,31-2,50 2,5 14,0 38 k k k Style J | Carbide 1, 2, 3 step Half Round Drill To order see micro drill nomenclature Style K | Carbide Double Countersink Drills To order see micro drill nomenclature
Style C | Carbide 3-Flute Twist drill with reinforced shank To order see micro drill nomenclature Style D | Carbide 2-Flute Twist drill with Straight shank To order see micro drill nomenclature Style E | Carbide 2-Flute multiple Step Twist Drill with reinforced shank To order see micro drill nomenclature Style F | Carbide Spade Drill To order see micro drill nomenclature Style G | Carbide center drills Drill Bit Stock d D l L 9M F9 B9 DGR/L H P 0,-- 07 0,20 1,5 0,7 25 k k k DGR/L H P 0,- -08 0,21-0,24 1,5 0,8 25 k k k DGR/L H P 0,-- 09 0,25-0,30 1,5 0,9 25 k k k DGR/L H P 0,- -12 0,31-0,38 1,5 1,2 25 k k k DGR/L H P 0,-- 15 0,39-0,48 1,5 1,5 25 k k k DGR/L H P 0,- -19 0,49-0,60 1,5 1,9 25 k k k DGR/L H P 0,-- 21 0,61-0,67 1,5 2,1 25 k k k DGR/L H P 0,- -24 0,68-0,75 1,5 2,4 25 k k k DGR/L H P 0,-- 26 0,76-0,85 1,5 2,6 25 k k k DGR/L H P 0,- -30 0,86-0,95 1,5 3,0 25 k k k DGR/L H P 1,- -34 0,96-1,05 1,5 3,4 25 k k k DGR/L H P 1,- -38 1,06-1,15 1,5 3,8 25 k k k DGR/L H P 1,- -42 1,16-1,30 1,5 4,2 25 k k k DGR/L H P 1,- -47 1,31-1,49 1,5 4,7 25 k k k Style H | Carbide center drills long Drill Bit Stock d D l L 9M F9 B9 DHR/L H P 0,-- 44 0,70-0,79 1,5 4,4 30 k k k DHR/L H P -,-- 48 0,80-1,09 1,5 4,8 30 k k k DHR/L H P 1,-- 54 1,10-1,19 1,5 5,4 30 k k k DHR/L H P 1,-- 60 1,20-1,29 1,5 6 30 k k k DHR/L H P 1,-- 67 1,30-1,49 1,5 6,7 30 k k k DHR/L H P 1,-- 72 1,50-1,79 2 7,2 38 k k k DHR/L H P 1,-- 84 1,80-1,99 2 8,4 38 k k k DHR/L H P 2,-- 84 2,00-2,49 2,5 8,4 38 k k k Style I | Carbide Half - Round Drill Drill Bit Stock d D l L 9M F9 B9 DIR/L H P 0,-- 16 0,20-0,29 1,0 1,6 25 k k k DIR/L H P 0,-- 23 0,30-0,39 1,0 2,3 25 k k k DIR/L H P 0,-- 35 0,40-0,49 1,0 3,5 25 k k k DIR/L H P 0,-- 40 0,50-0,59 1,5 4,0 25 k k k DIR/L H P 0,-- 45 0,60-0,69 1,5 4,5 25 k k k DIR/L H P 0,-- 50 0,70-0,79 1,5 5,0 25 k k k DIR/L H P 0,-- 55 0,80-0,89 1,5 5,5 25 k k k DIR/L H P 0,-- 60 0,90-0,99 1,5 6,0 25 k k k DIR/L H P 0,-- 65 1,00-1,09 1,5 6,5 25 k k k DIR/L H P 0,-- 70 1,10-1,19 1,5 7,0 25 k k k DIR/L H P 0,-- 75 1,20-1,29 1,5 7,5 25 k k k DIR/L H P 0,-- 80 1,30-1,39 1,5 8,0 25 k k k DIR/L H P 0,-- 85 1,40-1,49 1,5 8,5 25 k k k DIR/L H P 0,-- 95 1,50-1,69 2,0 9,5 30 k k k DIR/L H P 0,-- 110 1,70-2,00 2,0 11,0 30 k k k DIR/L H P 0,-- 120 2,01-2,30 2,5 12,0 38 k k k DIR/L H P 0,-- 140 2,31-2,50 2,5 14,0 38 k k k Style J | Carbide 1, 2, 3 step Half Round Drill To order see micro drill nomenclature Style K | Carbide Double Countersink Drills To order see micro drill nomenclature
Style I | Carbide Half - Round Drill Drill Bit Stock d D l L 9M F9 B9 DIR/L H P 0,-- 16 0,20-0,29 1,0 1,6 25 k k k DIR/L H P 0,-- 23 0,30-0,39 1,0 2,3 25 k k k DIR/L H P 0,-- 35 0,40-0,49 1,0 3,5 25 k k k DIR/L H P 0,-- 40 0,50-0,59 1,5 4,0 25 k k k DIR/L H P 0,-- 45 0,60-0,69 1,5 4,5 25 k k k DIR/L H P 0,-- 50 0,70-0,79 1,5 5,0 25 k k k DIR/L H P 0,-- 55 0,80-0,89 1,5 5,5 25 k k k DIR/L H P 0,-- 60 0,90-0,99 1,5 6,0 25 k k k DIR/L H P 0,-- 65 1,00-1,09 1,5 6,5 25 k k k DIR/L H P 0,-- 70 1,10-1,19 1,5 7,0 25 k k k DIR/L H P 0,-- 75 1,20-1,29 1,5 7,5 25 k k k DIR/L H P 0,-- 80 1,30-1,39 1,5 8,0 25 k k k DIR/L H P 0,-- 85 1,40-1,49 1,5 8,5 25 k k k DIR/L H P 0,-- 95 1,50-1,69 2,0 9,5 30 k k k DIR/L H P 0,-- 110 1,70-2,00 2,0 11,0 30 k k k DIR/L H P 0,-- 120 2,01-2,30 2,5 12,0 38 k k k DIR/L H P 0,-- 140 2,31-2,50 2,5 14,0 38 k k k Style J | Carbide 1, 2, 3 step Half Round Drill To order see micro drill nomenclature Style K | Carbide Double Countersink Drills To order see micro drill nomenclature
Style B | Carbide 2-Flute Twist drill with reinforced shank Drill Bit Stock d D l L 9M F9 B9 DBR/L H P 0,20 18 0,20 1,00 1,80 25 k k k DBR/L H P 0,21 18 0,21 1,00 1,80 25 k k k DBR/L H P 0,-- 18 0,22-0,24 1,00 1,80 25 k k k DBR/L H P 0,-- 22 0,25-0,30 1,00 2,20 25 k k k DBR/L H P 0,-- 28 0,31-0,38 1,00 2,80 25 k k k DBR/L H P 0,-- 36 0,39-0,48 1,00 3,60 25 k k k DBR/L H P 0,-- 40 0,49-0,53 1,00 4,00 25 k k k DBR/L H P 0,-- 45 0,54-0,60 1,00 4,50 25 k k k DBR/L H P 0,-- 50 0,61-0,67 1,00 5,00 25 k k k DBR/L H P 0,-- 56 0,68-0,75 1,00 5,60 25 k k k DBR/L H P 0,-- 63 0,76-0,79 1,00 6,30 25 k k k DBR/L H P 0,-- 63 0,80-0,85 1,50 6,30 30 k k k DBR/L H P 0,-- 71 0,86-0,95 1,50 7,10 30 k k k DBR/L H P -,-- 80 0,96-1,05 1,50 8,00 30 k k k DBR/L H P 1,-- 90 1,06-1,15 1,50 9,00 30 k k k DBR/L H P 1,-- 100 1,16-1,30 1,50 10,00 30 k k k DBR/L H P 1,-- 112 1,31-1,49 1,50 11,20 30 k k k DBR/L H P 1,-- 120 1,50-1,69 2,00 12,00 30 k k k DBR/L H P 1,-- 130 1,70-1,99 2,00 13,00 38 k k k DBR/L H P 2,-- 140 2,00-2,49 2,50 14,00 38 k k k DBR/L H P -,-- 160 2,50-3,00 3,00 16,00 42 k k k Style C | Carbide 3-Flute Twist drill with reinforced shank To order see micro drill nomenclature Style D | Carbide 2-Flute Twist drill with Straight shank To order see micro drill nomenclature Style E | Carbide 2-Flute multiple Step Twist Drill with reinforced shank To order see micro drill nomenclature Style F | Carbide Spade Drill To order see micro drill nomenclature Style G | Carbide center drills Drill Bit Stock d D l L 9M F9 B9 DGR/L H P 0,-- 07 0,20 1,5 0,7 25 k k k DGR/L H P 0,- -08 0,21-0,24 1,5 0,8 25 k k k DGR/L H P 0,-- 09 0,25-0,30 1,5 0,9 25 k k k DGR/L H P 0,- -12 0,31-0,38 1,5 1,2 25 k k k DGR/L H P 0,-- 15 0,39-0,48 1,5 1,5 25 k k k DGR/L H P 0,- -19 0,49-0,60 1,5 1,9 25 k k k DGR/L H P 0,-- 21 0,61-0,67 1,5 2,1 25 k k k DGR/L H P 0,- -24 0,68-0,75 1,5 2,4 25 k k k DGR/L H P 0,-- 26 0,76-0,85 1,5 2,6 25 k k k DGR/L H P 0,- -30 0,86-0,95 1,5 3,0 25 k k k DGR/L H P 1,- -34 0,96-1,05 1,5 3,4 25 k k k DGR/L H P 1,- -38 1,06-1,15 1,5 3,8 25 k k k DGR/L H P 1,- -42 1,16-1,30 1,5 4,2 25 k k k DGR/L H P 1,- -47 1,31-1,49 1,5 4,7 25 k k k Style H | Carbide center drills long Drill Bit Stock d D l L 9M F9 B9 DHR/L H P 0,-- 44 0,70-0,79 1,5 4,4 30 k k k DHR/L H P -,-- 48 0,80-1,09 1,5 4,8 30 k k k DHR/L H P 1,-- 54 1,10-1,19 1,5 5,4 30 k k k DHR/L H P 1,-- 60 1,20-1,29 1,5 6 30 k k k DHR/L H P 1,-- 67 1,30-1,49 1,5 6,7 30 k k k DHR/L H P 1,-- 72 1,50-1,79 2 7,2 38 k k k DHR/L H P 1,-- 84 1,80-1,99 2 8,4 38 k k k DHR/L H P 2,-- 84 2,00-2,49 2,5 8,4 38 k k k Style I | Carbide Half - Round Drill Drill Bit Stock d D l L 9M F9 B9 DIR/L H P 0,-- 16 0,20-0,29 1,0 1,6 25 k k k DIR/L H P 0,-- 23 0,30-0,39 1,0 2,3 25 k k k DIR/L H P 0,-- 35 0,40-0,49 1,0 3,5 25 k k k DIR/L H P 0,-- 40 0,50-0,59 1,5 4,0 25 k k k DIR/L H P 0,-- 45 0,60-0,69 1,5 4,5 25 k k k DIR/L H P 0,-- 50 0,70-0,79 1,5 5,0 25 k k k DIR/L H P 0,-- 55 0,80-0,89 1,5 5,5 25 k k k DIR/L H P 0,-- 60 0,90-0,99 1,5 6,0 25 k k k DIR/L H P 0,-- 65 1,00-1,09 1,5 6,5 25 k k k DIR/L H P 0,-- 70 1,10-1,19 1,5 7,0 25 k k k DIR/L H P 0,-- 75 1,20-1,29 1,5 7,5 25 k k k DIR/L H P 0,-- 80 1,30-1,39 1,5 8,0 25 k k k DIR/L H P 0,-- 85 1,40-1,49 1,5 8,5 25 k k k DIR/L H P 0,-- 95 1,50-1,69 2,0 9,5 30 k k k DIR/L H P 0,-- 110 1,70-2,00 2,0 11,0 30 k k k DIR/L H P 0,-- 120 2,01-2,30 2,5 12,0 38 k k k DIR/L H P 0,-- 140 2,31-2,50 2,5 14,0 38 k k k Style J | Carbide 1, 2, 3 step Half Round Drill To order see micro drill nomenclature Style K | Carbide Double Countersink Drills To order see micro drill nomenclature
Inches per minute (IPM) is a speed measurement of how many inches traveled in a minute, without regard to direction. In machining, it is primarily used as a feed rate (imperial units).
Surface feet per minute (SFPM or SFM) is the combination of a physical quantity (surface speed) and an imperial and American customary unit (feet per minute or FPM). It is defined as the number of linear feet that a location on a rotating component travels in one minute.
These calculations are based upon theoretical values and are only intended for planning purposes. Actual results will vary. No responsibility from Kennametal is assumed.
Style A | Carbide 1-Flute Twist drill with reinforced shank To order see micro drill nomenclature Style B | Carbide 2-Flute Twist drill with reinforced shank Drill Bit Stock d D l L 9M F9 B9 DBR/L H P 0,20 18 0,20 1,00 1,80 25 k k k DBR/L H P 0,21 18 0,21 1,00 1,80 25 k k k DBR/L H P 0,-- 18 0,22-0,24 1,00 1,80 25 k k k DBR/L H P 0,-- 22 0,25-0,30 1,00 2,20 25 k k k DBR/L H P 0,-- 28 0,31-0,38 1,00 2,80 25 k k k DBR/L H P 0,-- 36 0,39-0,48 1,00 3,60 25 k k k DBR/L H P 0,-- 40 0,49-0,53 1,00 4,00 25 k k k DBR/L H P 0,-- 45 0,54-0,60 1,00 4,50 25 k k k DBR/L H P 0,-- 50 0,61-0,67 1,00 5,00 25 k k k DBR/L H P 0,-- 56 0,68-0,75 1,00 5,60 25 k k k DBR/L H P 0,-- 63 0,76-0,79 1,00 6,30 25 k k k DBR/L H P 0,-- 63 0,80-0,85 1,50 6,30 30 k k k DBR/L H P 0,-- 71 0,86-0,95 1,50 7,10 30 k k k DBR/L H P -,-- 80 0,96-1,05 1,50 8,00 30 k k k DBR/L H P 1,-- 90 1,06-1,15 1,50 9,00 30 k k k DBR/L H P 1,-- 100 1,16-1,30 1,50 10,00 30 k k k DBR/L H P 1,-- 112 1,31-1,49 1,50 11,20 30 k k k DBR/L H P 1,-- 120 1,50-1,69 2,00 12,00 30 k k k DBR/L H P 1,-- 130 1,70-1,99 2,00 13,00 38 k k k DBR/L H P 2,-- 140 2,00-2,49 2,50 14,00 38 k k k DBR/L H P -,-- 160 2,50-3,00 3,00 16,00 42 k k k Style C | Carbide 3-Flute Twist drill with reinforced shank To order see micro drill nomenclature Style D | Carbide 2-Flute Twist drill with Straight shank To order see micro drill nomenclature Style E | Carbide 2-Flute multiple Step Twist Drill with reinforced shank To order see micro drill nomenclature Style F | Carbide Spade Drill To order see micro drill nomenclature Style G | Carbide center drills Drill Bit Stock d D l L 9M F9 B9 DGR/L H P 0,-- 07 0,20 1,5 0,7 25 k k k DGR/L H P 0,- -08 0,21-0,24 1,5 0,8 25 k k k DGR/L H P 0,-- 09 0,25-0,30 1,5 0,9 25 k k k DGR/L H P 0,- -12 0,31-0,38 1,5 1,2 25 k k k DGR/L H P 0,-- 15 0,39-0,48 1,5 1,5 25 k k k DGR/L H P 0,- -19 0,49-0,60 1,5 1,9 25 k k k DGR/L H P 0,-- 21 0,61-0,67 1,5 2,1 25 k k k DGR/L H P 0,- -24 0,68-0,75 1,5 2,4 25 k k k DGR/L H P 0,-- 26 0,76-0,85 1,5 2,6 25 k k k DGR/L H P 0,- -30 0,86-0,95 1,5 3,0 25 k k k DGR/L H P 1,- -34 0,96-1,05 1,5 3,4 25 k k k DGR/L H P 1,- -38 1,06-1,15 1,5 3,8 25 k k k DGR/L H P 1,- -42 1,16-1,30 1,5 4,2 25 k k k DGR/L H P 1,- -47 1,31-1,49 1,5 4,7 25 k k k Style H | Carbide center drills long Drill Bit Stock d D l L 9M F9 B9 DHR/L H P 0,-- 44 0,70-0,79 1,5 4,4 30 k k k DHR/L H P -,-- 48 0,80-1,09 1,5 4,8 30 k k k DHR/L H P 1,-- 54 1,10-1,19 1,5 5,4 30 k k k DHR/L H P 1,-- 60 1,20-1,29 1,5 6 30 k k k DHR/L H P 1,-- 67 1,30-1,49 1,5 6,7 30 k k k DHR/L H P 1,-- 72 1,50-1,79 2 7,2 38 k k k DHR/L H P 1,-- 84 1,80-1,99 2 8,4 38 k k k DHR/L H P 2,-- 84 2,00-2,49 2,5 8,4 38 k k k Style I | Carbide Half - Round Drill Drill Bit Stock d D l L 9M F9 B9 DIR/L H P 0,-- 16 0,20-0,29 1,0 1,6 25 k k k DIR/L H P 0,-- 23 0,30-0,39 1,0 2,3 25 k k k DIR/L H P 0,-- 35 0,40-0,49 1,0 3,5 25 k k k DIR/L H P 0,-- 40 0,50-0,59 1,5 4,0 25 k k k DIR/L H P 0,-- 45 0,60-0,69 1,5 4,5 25 k k k DIR/L H P 0,-- 50 0,70-0,79 1,5 5,0 25 k k k DIR/L H P 0,-- 55 0,80-0,89 1,5 5,5 25 k k k DIR/L H P 0,-- 60 0,90-0,99 1,5 6,0 25 k k k DIR/L H P 0,-- 65 1,00-1,09 1,5 6,5 25 k k k DIR/L H P 0,-- 70 1,10-1,19 1,5 7,0 25 k k k DIR/L H P 0,-- 75 1,20-1,29 1,5 7,5 25 k k k DIR/L H P 0,-- 80 1,30-1,39 1,5 8,0 25 k k k DIR/L H P 0,-- 85 1,40-1,49 1,5 8,5 25 k k k DIR/L H P 0,-- 95 1,50-1,69 2,0 9,5 30 k k k DIR/L H P 0,-- 110 1,70-2,00 2,0 11,0 30 k k k DIR/L H P 0,-- 120 2,01-2,30 2,5 12,0 38 k k k DIR/L H P 0,-- 140 2,31-2,50 2,5 14,0 38 k k k Style J | Carbide 1, 2, 3 step Half Round Drill To order see micro drill nomenclature Style K | Carbide Double Countersink Drills To order see micro drill nomenclature
A CNC mill calculates speeds and feeds or SFM based on the information the user enters. The type of CNC mill, the type of machine controller, and the age of the machine will affect the amount of information that can be input directly into the machine. Historically G-code was created externally from a CNC machine and then loaded onto the machine. Externally created G-code was authored either with a dedicated CAM software or with a plug-in embedded in the 3D parametric modeling software. The user would input the same CNC machine they want to create the part on (with the specific work holding fixture), the type of tooling (manufacture, part number etc.), and the specific material being machined. The software generates the speeds and feeds based on the part's geometry and all the inputted information. This creates the optimal speeds and feeds or SFM tailored to the exact part and CNC machine.
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