Drill Bit Size Chart Pdf. The drill size chart below contains all commonly used centre drill bit sizes. Tap Drill Charts National Pipe Threads NPT NPTF NPS NPSF Pipe Tap Size Pitch TPI Drill Size inch Pitch TPI Drill Size inch 116 27 0242 C - - 18 27 0332 Q 27 0348 S 14 18 716 18 2964 38 18 916 18 1932 12 14 4564 14 4764 34 14 2932 14 1516 1 11-12 1-964 11-12 1-316 1-14 11-12 1-3164 11-12 1-3364 1-12 11-12 1-2332 11-12 1-34.
Is Manual Machining Faster than CNC for Simple Parts. Drill Size mm FINE THREAD M 2 x 25 102 175 M 22 x 25 102 195 M 23 x 25 63-12 205 M 25 x 35 72-12 215 M 26 x 35 72-12 225 M 3 x 35 72-12 265 M 35 x 35 72-12 315 M 4 x 35 72-12 365 M 4 x 5 51 35 M 5 x 35 72-12 465 M 5 x 5 51 45 M 5 x 75 34 425 M 55 x 5 51. Reduced as far as possible so 264 becomes 132 for instance.
Measurement drill bits come in 164 inch increments.
Metric Drill Size Conversion Chart Equivalent Drill Size Hole Diameter Equivalent Drill Size Hole Diameter Equivalent Drill Size Hole Diameter Equivalent Drill Size Hole Diameter Equivalent Drill Size Hole Diameter Equivalent 80 0550 54 1285 30 2040 6 3281 2164 6250 79 0595 53 1360 29 2055 5 3320 Q 6406. Download Tap Drill Chart for Stainless Steel. 12 5000 38 1-58 12411 58 6250 716 1-34 12412 34 7500 12 1-1316 12413. According to ANSI B9411M-1979 this is the standard Fractional Inch drill bit size chart-.