| Steelmans Standard Inch Square Broaches | ||||||
|---|---|---|---|---|---|---|
| STM No. | Square Size | Pilot Diameter | Drill Size | Dimension Across | Corners | Tooth Pitch |
| 2361 | 1/8 | .1250-.1260 | .1285 | No. 30 | .1750-.1770 | 1/8 |
| 2370 | 5/32 | .1565-.1575 | .1590 | No. 21 | .2180-.2200 | 5/32 |
| 2379 | 3/16 | .1880-.1890 | .1935 | No. 10 | .2620-.2640 | 5/32 |
| 2388 | 7/32 | .2190-.2220 | .2280 | No. 1 | .3050-.3070 | 3/16 |
| 2397 | 1/4 | .2505-.2515 | .2656 | 17/64 | .3500-.3520 | 3/16 |
| 2406 | 9/32 | .2815-.2825 | .2969 | 19/64 | .4370-.4390 | 3/16 |
| 2415 | 5/16 | .3130-.3140 | .3281 | 21/64 | .4810-.4830 | 7/32 |
| 2424 | 11/32 | .3440-.3450 | .3906 | 23/64 | .4810-.4830 | 1/4 |
| 2433 | 3/8 | .3755-3765 | .4219 | 25/64 | .5230-.5250 | 1/4 |
| 2442 | 13/32 | .4065-.4075 | .4531 | 27/64 | .5680-.5700 | 1/4 |
| 2451 | 7/16 | .4385-.4395 | .5000 | 29/64 | .6110-.6130 | 5/16 |
| 2460 | 15/32 | .4690-.4700 | .5312 | 1/2 | .6560-6580 | 5/16 |
| 2469 | 1/2 | .5005-.5015 | .5938 | 17/32 | .6970-6990 | 5/16 |
| 2478 | 9/16 | .5630-.5640 | .6562 | 19/32 | .7860-.7880 | 3/8 |
| 2487 | 5/8 | .6260-.6270 | .6562 | 21/32 | .8710-.8730 | 7/16 |
| 2496 | 11/16 | .6885-.6895 | .7500 | 3/4 | .9610-.9630 | 7/16 |
| 2505 | 3/4 | .7510-.7520 | .8125 | 13/16 | 1.045-1.047 | 7/16 |
| 2514 | 7/8 | .8765-.8775 | .9375 | 15/16 | 1.228-1.230 | 7/16 |
| 2523 | 1 | 1.002-1.0030 | 1.0938 | 1-3/32 | 1.403-1.405 | 7/16 |
| Steelmans HSS Standard Full Square Boraches | |||||||
|---|---|---|---|---|---|---|---|
| STM No. | Square Size | Tolerances | Dimensions Across Corners | Pilot Diam. | Drill Size | Broach Length | |
| 2532 | 3/16 | .1880-.1890 | .2628-2632 | .1870 | 3/16 | 7 | |
| 2541 | 1/4 | .2505-.2515 | .3513-.3517 | .2495 | 1/4 | 9 | |
| 2550 | 5/16 | .3120-.3140 | .4375-.4380 | .3120 | 5/16 | 11 | |
| 2559 | 3/8 | .3755-.3765 | .5243-.5247 | .3745 | 3/8 | 13 | |
| 2568 | 1/2 | .5005-.5015 | .6980-.6990 | .4995 | 1/2 | 15 | |
| Steelmans HSS Metric Square Broaches | |||||||
|---|---|---|---|---|---|---|---|
| STM No. | Square Size | Tolerances | Tolerances (Inches) | Dimensions Across Corners | Pilot Diam. | Drill Size | Broach Length |
| 2577 | 4 mm | .1580-.1585 | .2080-.2090 | .1655 | .1655 | 4.2 | 6 |
| 2586 | 5 mm | .1973-.1983 | .2645-.2655 | .2047 | .2047 | 5.2 | 7 |
| 2595 | 6 mm | .2367-.2377 | .3295-.3300 | .2500 | .2500 | 6.35 | 7 |
| 2604 | 8 mm | .3155-.3165 | .4405-.4410 | .3267 | .3267 | 8.3 | 9 |
| 2613 | 10 mm | .3942-.3952 | .5435-.5445 | .4057 | .4057 | 10.3 | 11 |
| 2622 | 12 mm | .4729-.4739 | .6540-.6550 | .4921 | .4921 | 12.5 | 13 |
| 2631 | 14 mm | .5517-.5527 | .7700-.7710 | .5905 | .5905 | 15.0 | 15 |
| 2640 | 16 mm | .6310-.6320 | .8780-.8790 | .6693 | .6693 | 17.0 | 17 |
| 2649 | 18 mm | .7092-7102 | .9880-.9890 | .7874 | .7874 | 20.0 | 19 |
| 2658 | 20 mm | .7879-.7889 | 1.0990-1.1000 | .8661 | .8661 | 22.0 | 19 |
| 2667 | 22 mm | .8666-.8676 | 1.2110-1.2120 | .9448 | .9448 | 24.0 | 24 |
| 2676 | 24 mm | .9454-.9464 | 1.3170-1.3180 | .1.0236 | .1.0236 | 26.0 | 25 |
| 2685 | 25 mm | .9848-.9858 | 1.3730-1.3740 | 1.0630 | 1.0630 | 27.0 | 25 |