Provides thread pitch and drill size for both inches and metrics in coarse and fine grades. Also provided for taper and straight pipe.
| INCH | |||
| COARSE | FINE | ||
| THREAD PITCH | DRILL SIZE | THREAD PITCH | DRILL SIZE |
| 7/8 | #0-80 | 3/64 | |
| #1-64 | 53 | #1-72 | 53 |
| #2-56 | 50 | #2-64 | 50 |
| #3-48 | 47 | #3-56 | 46 |
| #4-40 | 43 | #4-48 | 42 |
| #5-40 | 38 | #5-44 | 37 |
| #6-32 | 36 | #6-40 | 33 |
| #8-32 | 29 | #8-36 | 29 |
| #10-24 | 26 | #10-32 | 21 |
| #12-24 | 16 | #12-28 | 15 |
| 1/4-20 | 7 | 1/4-28 | 3 |
| 5/16-18 | F | 5/16-24 | I |
| 3/8-16 | 5/16 | 3/8-24 | Q |
| 7/16-14 | U | 7/16-20 | 25/64 |
| 1/2-13 | 27/64 | 1/2-20 | 29/64 |
| 9/16-12 | 31/64 | 9/16-18 | 33/64 |
| 5/8-11 | 17/32 | 5/8-18 | 37/64 |
| 3/4-10 | 21/32 | 3/4-16 | 11/16 |
| 7/8-9 | 49/64 | 7/8-14 | 13/16 |
| 1″-8 | 7/8 | 1″-14 | 59/64 |
| 1-1/8-7 | 63/64 | 1-1/8-12 | 1-3/64 |
| 1-1/4-7 | 1-7/64 | 1-1/4-12 | 1-11/64 |
| 1-3/8-6 | 1-7/32 | 1-3/8-12 | 1-19/64 |
| 1-1/2-6 | 1-11/32 | 1-1/2-12 | 1-27/64 |
| METRIC | |||
| COARSE | FINE | ||
| THREAD PITCH | DRILL SIZE | THREAD PITCH | DRILL SIZE |
| M1.6 x 0.35 | 1.25mm | ||
| M1.8 x 0.35 | 1.45mm | ||
| M2 x 0.40 | 1.60mm | ||
| M2.2 x 0.45 | 1.75mm | ||
| M2.5 x .045 | 2.05mm | ||
| M3.0 x 0.50 | 2.50mm | ||
| M3.5 x 0.60 | 2.90mm | ||
| M4.0 x 0.70 | 3.30mm | ||
| M4.5 x 0.75 | 3.70mm | ||
| M5.0 x 0.80 | 4.20mm | ||
| M6.0 x 1.00 | 5.00mm | M6 x 0.75 | 5.25mm |
| M7 x 1.00 | 6.00mm | M7 x 0.75 | 6.25mm |
| M8 x 1.25 | 6.70mm | M8 x 1.00 | 7.00mm |
| M10 x 1.50 | 8.50mm | M10 x 1.25 | 8.70mm |
| M12 x 1.75 | 10.20mm | M12 x 1.25 | 10.80mm |
| M14 x 2.00 | 12.00mm | M14 x 1.50 | 12.50mm |
| M16 x 2.00 | 14.00mm | M16 x 1.50 | 14.50mm |
| M18 x 2.50 | 15.50mm | M18 x 1.50 | 16.50mm |
| M20 x 2.50 | 17.50mm | M20 x 1.50 | 18.50mm |
| M22 x 2.50 | 19.50mm | M22 x 1.50 | 20.50mm |
| M24 x 3.00 | 21.00mm | M24 x 2.00 | 22.00mm |
| M27 x 3.00 | 24.00mm | M27 x 2.00 | 25.00mm |
| M30 x 3.50 | 26.50mm | M30 x 2.00 | 28.00mm |
| M33 x 3.50 | 29.50mm | M33 x 2.00 | 31.00mm |
| M36 x 4.00 | 32.00mm | M36 x 3.00 | 33.00mm |
| M39 x 4.00 | 35.00mm | M39 x 3.00 | 36.00mm |
| PIPE | |||
| TAPER | STRAIGHT | ||
| THREAD PITCH | DRILL SIZE | THREAD PITCH | DRILL SIZE |
| 1/8-27 | R | 1/8-27 | S |
| 1/4-18 | 7/16 | 1/4-18 | 29/64 |
| 3/8-18 | 37/64 | 3/8-18 | 19/32 |
| 1/2-14 | 23/32 | 1/2-14 | 47/64 |
| 3/4-14 | 59/64 | 3/4-14 | 15/16 |
| 1-11 1/2 | 1-5/32 | 1-11-1/2 | 1-3/16 |
| 1-1/4-11-1/2 | 1-1/2 | 1-1/4-11-1/2 | 1-33/64 |
| 1-1/2-11-1/2 | 1-47/64 | 1-1/2-11-1/2 | 1-3/4 |
| 2-11-1/2 | 2-7/32 | 2-11-1/2 | 2-7/32 |
| 2-1/2-8 | 2-5/8 | 2-1/2-8 | 2-21/32 |
| 3-8 | 3-1/4 | 3-8 | 3-9/32 |
| 3-1/2-8 | 3-3/4 | 3-1/2-8 | 3-25/32 |
| 4-8 | 4-1/4 | 4-8 | 4-9/32 |