Mitee-Bite Products · External / Internal
Mitee-Bite ID Xpansion™ Clamp
A machinable expanding clamp for holding parts on an inside diameter on vertical or horizontal machining centers, or as an expanding mandrel on a lathe.
- 12 sizes for IDs from 3/16" to almost 10"
- Tighten by hex key or hydraulic cylinder
- Longer screws available
Mitee-Bite ID Xpansion™ Clamp part numbers & specifications
40 part numbers with dimensions, screw sizes, torque and holding force from the Mitee-Bite catalog (page 29). Dimensions are in inches unless marked metric. Scroll the tables sideways on a phone, use your browser’s find (Ctrl+F / Cmd+F) to jump to a number, or tap “Quote” to email us about that part.
| Part No. | Model No. | A | B | C | D | +.000 E -.002 | F | G† | H* | I | J | Max. Torque‡ (Ft/Lbs) | Holding Force (Lbs) | Replacement Tapered Screw | Pricing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | |||||||||||||||
| 31000 | #00 | .42 | .30 | .24 | .12 | .787 | .29 | .16 | 2-56 on .540 BHC | 2-56 x 1/4 | .16 | 0.5 | 250 | 31001 | Quote |
| 31050 | #0 | .86 | .63 | .59 | .23 | 1.170 | .49 | .28 | 6-32 on .825 BHC | 8-32 x 1 | .30 | 3.6 | 950 | 31002 | Quote |
| 31100 | #1 | .98 | .75 | .59 | .23 | 1.240 | .56 | .48 | 6-32 on .910 BHC | 1/4-20 x 1 1/4 | .50 | 13.3 | 1,900 | 31010 | Quote |
| 31150 | #2 | .98 | .75 | .59 | .23 | 1.476 | .79 | .53 | 6-32 on 1.140 BHC | 5/16-18 x 1 1/4 | .56 | 27.6 | 2,500 | 31020 | Quote |
| 31200 | #3 | 1.13 | .88 | .69 | .25 | 1.968 | 1.06 | .71 | 8-32 on 1.550 BHC | 3/8-16 x 1 1/2 | .71 | 49.3 | 4,500 | 31032 | Quote |
| 31250 | #4 | 1.25 | 1.00 | .81 | .25 | 2.205 | 1.39 | .90 | 8-32 on 1.790 BHC | 1/2-13 x 1 1/2 | .71 | 120.0 | 5,900 | 31042 | Quote |
| 31300 | #5 | 1.56 | 1.25 | 1.06 | .31 | 2.736 | 1.65 | 1.15 | 10-32 on 2.200 BHC | 5/8-11 x 1 3/4 | .79 | 224.0 | 10,000 | 31052 | Quote |
| 31350 | #6 | 1.56 | 1.25 | 1.06 | .31 | 2.972 | 2.03 | 1.15 | 10-32 on 2.515 BHC | 5/8-11 x 1 3/4 | .79 | 224.0 | 10,000 | 31052 | Quote |
| 31400 | #7 | 1.79 | 1.48 | 1.27 | .31 | 4.232 | 3.06 | 1.15 | 1/4-20 on 3.646 BHC | 5/8-11 x 2 | .79 | 224.0 | 10,000 | 31072 | Quote |
| 31450 | #8 | 1.79 | 1.48 | 1.27 | .31 | 5.232 | 4.06 | 1.15 | 1/4-20 on 4.648 BHC | 5/8-11 x 2 | .79 | 224.0 | 10,000 | 31072 | Quote |
| 31500 | #9 | 1.79 | 1.48 | 1.27 | .31 | 5.232 | 6.89 | 1.15 | 1/4-20 on 4.648 BHC | 5/8-11 x 2 | .79 | 224.0 | 10,000 | 31072 | Quote |
| 31550 | #10** | 1.79 | 1.48 | 1.27 | .31 | 6.000 | 9.85 | 1.15 | 1/4-20 on 5.250 BHC | 5/8-11 x 2 | .79 | 125.0 | 6,000 | 31072 | Quote |
| Metric — Max. Torque‡ in N.m, Holding Force in N | |||||||||||||||
| 38000 | #00 | 10.7 | 7.6 | 6.1 | 3.0 | 20.00 | 7.4 | 4.1 | M2 on 13.7 BHC | M2x12 | 4.1 | .70 | 1113 | 38001 | Quote |
| 38050 | #0 | 21.8 | 16.0 | 15.0 | 5.9 | 29.72 | 12.4 | 7.1 | M3 on 20.95 BHC | M4x25 | 7.2 | 5.00 | 4228 | 38002 | Quote |
| 38100 | #1 | 24.9 | 19.0 | 15.0 | 5.9 | 31.50 | 14.2 | 12.2 | M3 on 23.1 BHC | M6x30 | 11.2 | 17.00 | 8455 | 38010 | Quote |
| 38150 | #2 | 24.9 | 19.0 | 15.0 | 5.9 | 37.50 | 20.0 | 13.5 | M3 on 29.0 BHC | M8x30 | 13.2 | 34.00 | 11125 | 38020 | Quote |
| 38200 | #3 | 28.6 | 22.2 | 17.5 | 6.4 | 50.00 | 27.0 | 18.0 | M4 on 39.4 BHC | M10x35 | 16.3 | 60.00 | 20025 | 38032 | Quote |
| 38250 | #4 | 31.8 | 25.4 | 20.6 | 6.4 | 56.00 | 35.3 | 23.0 | M4 on 45.5 BHC | M12x40 | 20.3 | 150.00 | 26255 | 38042 | Quote |
| 38300 | #5 | 39.6 | 31.8 | 27.0 | 7.9 | 69.50 | 42.0 | 29.3 | M5 on 55.9 BHC | M16x45 | 21.4 | 280.00 | 44500 | 38052 | Quote |
| 38350 | #6 | 39.6 | 31.8 | 27.0 | 7.9 | 75.50 | 51.5 | 29.3 | M5 on 63.9 BHC | M16x45 | 21.4 | 280.00 | 44500 | 38052 | Quote |
| 38400 | #7 | 45.5 | 37.6 | 32.3 | 7.9 | 107.50 | 77.7 | 29.3 | M6 on 92.6 BHC | M16x50 | 19.3 | 280.00 | 44500 | 38072 | Quote |
| 38450 | #8 | 45.5 | 37.6 | 32.3 | 7.9 | 132.90 | 103.0 | 29.3 | M6 on 118.06 BHC | M16x50 | 19.3 | 280.00 | 44500 | 38072 | Quote |
| 38500 | #9 | 45.5 | 37.6 | 32.3 | 7.9 | 132.90 | 175.0 | 29.3 | M6 on 118.06 BHC | M16x50 | 19.3 | 280.00 | 44500 | 38072 | Quote |
| 38550 | #10** | 45.5 | 37.6 | 32.3 | 7.9 | 152.40 | 250.2 | 29.3 | M6 on 133.35 BHC | M16x50 | 19.3 | 170.00 | 26000 | 38072 | Quote |
Ordering Mitee-Bite ID Xpansion™ Clamp
Small Clamps supplies genuine Mitee-Bite Products ID Xpansion™ Clamp from the External / Internal line. Send us the part numbers and quantities you need and we will reply with pricing and lead time. Not sure which size fits your fixture? Email info@smallclamps.com or call (619) 704-3113 and we will help you pick the right part. Specifications on this page are taken from the current Mitee-Bite catalog; please confirm critical dimensions before machining your fixture.