
| DC | d | dmin = | DC | d | d = 1. | 25 DC | d | d = 1 | .5 DC | d | d = 1. | 75 DC | d | d ≥ | 2 DC |
| min | SMAX | ae max | SMAX | ae max | SMAX | ae max | SMAX | ae max | SMAX | ae max | |||||
| 25 | 25 | 0.14 | 1.3 | 31 | 0.22 | 2.2 | 38 | 0.33 | 3.0 | 44 | 0.60 | 4.0 | 50 | 0.70 | 5.0 |
| 32 | 32 | 0.16 | 1.5 | 40 | 0.33 | 2.8 | 48 | 0.44 | 4.0 | 56 | 0.70 | 5.0 | 64 | 0.90 | 6.5 |
| 40 | 40 | 0.22 | 2.0 | 50 | 0.38 | 3.5 | 60 | 0.55 | 5.0 | 70 | 0.90 | 6.5 | 80 | 1.15 | 8.0 |
| 50 | 50 | 0.27 | 2.5 | 63 | 0.50 | 4.5 | 75 | 0.70 | 6.5 | 88 | 1.00 | 8.0 | 100 | 1.40 | 10.0 |
| 63 | 63 | 0.33 | 3.2 | 80 | 0.60 | 5.5 | 95 | 0.90 | 8.0 | 110 | 1.45 | 10.0 | 125 | 1.80 | 12.5 |
| 80 | 80 | 0.55 | 4.0 | 100 | 1.00 | 7.0 | 120 | 1.45 | 10.0 | 140 | 2.15 | 13.0 | 160 | 2.60 | 16.0 |
| 100 | 100 | 0.70 | 5.0 | 125 | 1.20 | 9.0 | 150 | 1.80 | 12.5 | 175 | 2.70 | 16.5 | 200 | 3.30 | 20.0 |
| 115 | 115 | 0.85 | 6.0 | 145 | 1.50 | 10.0 | 175 | 1.90 | 14.5 | 200 | 2.80 | 19.0 | 230 | 3.80 | 23.0 |
| 125 | 125 | 0.90 | 6.5 | 155 | 1.60 | 11.0 | 190 | 2.30 | 15.5 | 220 | 3.10 | 20.0 | 250 | 4.10 | 25.0 |
| 140 | 140 | 1.00 | 7.0 | 175 | 1.80 | 12.5 | 210 | 2.60 | 17.5 | 245 | 3.70 | 23.0 | 280 | 4.60 | 28.0 |
| 160 | 160 | 1.20 | 8.0 | 200 | 2.00 | 14.0 | 240 | 2.90 | 20.0 | 280 | 4.30 | 26.0 | 320 | 5.30 | 32.0 |
| 175 | 175 | 1.30 | 8.8 | 220 | 2.20 | 15.5 | 265 | 3.20 | 22.0 | 305 | 4.70 | 29.0 | 350 | 5.80 | 35.0 |
* Check feed rate reduction when hole diameter is between d - 1.5 DC. min
a e max
Predrilled hole d