Finding the Right Tombstone is Easy with Hennig
Read our handy guide on how to select the right tombstone from their wide range of products.

Download installation and maintenance manuals, order spare parts, and find tutorial videos to help with your chip conveyor installation and operation.
Download installation and maintenance manuals, order spare parts, and find tutorial videos to help with your chip conveyor installation and operation.
Hennig Power Protection is a dedicated division specializing in custom-engineered generator enclosures, fuel systems, and power infrastructure for mission-critical applications across data centers, healthcare, telecommunications, and industrial facilities.
Precision machining, fabrication & welding services from our Rockford, IL facility. Complete manufacturing solutions with ISO-certified quality.
Precision machining for turbine...
Pallet delivery, robotic tending & software for lights-out production
CNC machining centers, lathes, grinders & multi-axis equipment
Safety systems & rod locks for hydraulic & mechanical presses
ID Xpansion clamps from Mitee-Bite grip a part by expanding inside of a bored hole, delivering secure internal clamping without obstructing the outer surfaces of the workpiece. This makes them ideal for 5-sided machining, especially for round or thin-walled parts where traditional vises or edge clamps may fail or be less ideal. Their compact, low-profile design fits easily into tight fixtures or pallets. Made from heat-treated steel, these clamps offer repeatable performance under high loads and are available in machinable or hardened versions.
| Key Features | |
| Full Perimeter Access | Holds parts from the inside, leaving OD completely clear |
| Machining Flexibility | Ideal for 5-axis or multi-face machining operations |
| Machinable Faces | Some models can be turned to match the part ID |
| Strong Internal Grip | Expanding screw drives wedge action for secure hold |
| Compact and Modular | Integrated into tight or dense fixture layouts easily |
| Product ID | 3D CAD | Units | Model No | A (in) | A (mm) | B (in) | B (mm) | C (in) | C (mm) | D (in) | D (mm) | E (in) | E (mm) | F (in) | F (mm) | G (in) | G (mm) | H (in) | H (mm) | I | J | Torque Max (Nm) | Torque Max (ft/lbs) | Maximum Holding Force (lbs) | Max Holding Force (N) | I (mm) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31000 | Inch | #00 | 0.42 | - | 0.300 | - | 0.24 | - | 0.12 | - | 0.787 | - | 0.29 | - | 0.16 | - | 2-56 on .540 BHC | - | 2-56 x 1/4 | 0.16 | - | 0.5 | 250 | - | - | ||
| 31050 | Inch | #0 | 0.86 | - | 0.630 | - | 0.59 | - | 0.23 | - | 1.170 | - | 0.49 | - | 0.28 | - | 6-32 on .825 BHC | - | 8-32 x 1 | 0.3 | - | 3.6 | 950 | - | - | ||
| 31100 | Inch | #1 | 0.98 | - | 0.750 | - | 0.59 | - | 0.23 | - | 1.240 | - | 0.56 | - | 0.48 | - | 6-32 on .910 BHC | - | 1/4-20 x 1 1/4 | 0.5 | - | 13.3 | 1900 | - | - | ||
| 31150 | Inch | #2 | 0.98 | - | 0.750 | - | 0.59 | - | 0.23 | - | 1.476 | - | 0.79 | - | 0.53 | - | 6-32 on 1.140 BHC | - | 5/16-18 x 1 1/4 | 0.56 | - | 27.6 | 2500 | - | - | ||
| 31200 | Inch | #3 | 10.13 | - | 0.880 | - | 0.69 | - | 0.25 | - | 1.968 | - | 1.06 | - | 0.71 | - | 8-32 on 1.550 BHC | - | 3/8-16 x 1 1/2 | 0.71 | - | 49.3 | 4500 | - | - | ||
| 31250 | Inch | #4 | 10.25 | - | 1.000 | - | 0.81 | - | 0.25 | - | 2.205 | - | 1.39 | - | 0.9 | - | 8-32 on 1.790 BHC | - | 1/2-13 x 1 1/2 | 0.71 | - | 120 | 5900 | - | - | ||
| 31300 | Inch | #5 | 10.56 | - | 1.250 | - | 1.06 | - | 0.31 | - | 2.736 | - | 1.65 | - | 1.15 | - | 10-32 on 2.200 BHC | - | 5/8-11 x 1 3/4 | 0.79 | - | 224 | 10000 | - | - | ||
| 31350 | Inch | #6 | 10.56 | - | 1.250 | - | 1.06 | - | 0.31 | - | 2.972 | - | 2.03 | - | 1.15 | - | 10-32 on 2.515 BHC | - | 5/8-11 x 1 3/4 | 0.79 | - | 224 | 10000 | - | - | ||
| 31400 | Inch | #7 | 10.79 | - | 1.480 | - | 1.27 | - | 0.31 | - | 4.232 | - | 3.06 | - | 1.15 | - | 1/4-20 on 3.646 BHC | - | 5/8-11 x 2 | 0.79 | - | 224 | 10000 | - | - | ||
| 31450 | Inch | #8 | 10.79 | - | 1.480 | - | 1.27 | - | 0.31 | - | 5.232 | - | 4.06 | - | 1.15 | - | 1/4-20 on 4.648 BHC | - | 5/8-11 x 2 | 0.79 | - | 224 | 10000 | - | - | ||
| 31500 | Inch | #9 | 10.79 | - | 1.480 | - | 1.27 | - | 0.31 | - | 5.232 | - | 6.89 | - | 1.15 | - | 1/4-20 on 4.648 BHC | - | 5/8-11 x 2 | 0.79 | - | 224 | 10000 | - | - | ||
| 31550 | Inch | #10 | 10.79 | - | 1.480 | - | 1.27 | - | 0.31 | - | 6.000 | - | 9.85 | - | 1.15 | - | 1/4-20 on 5.250 BHC | - | 5/8-11 x 2 | 0.79 | - | 125 | 6000 | - | - | ||
| 38000 | Metric | #00 | - | 10.7 | - | 7.6 | - | 6.1 | - | 3.0 | - | 20.00 | - | 7.4 | - | 4.1 | - | M2 on 13.7 BHC | - | 4.1 | 1 | - | 1113 | 1113 | M2x12 | ||
| 38050 | Metric | #0 | - | 21.8 | - | 16 | - | 15.0 | - | 5.9 | - | 29.72 | - | 12.4 | - | 7.1 | - | M3 on 20.95 BHC | - | 7.2 | 5 | - | 4228 | 4228 | M4x25 | ||
| 38100 | Metric | #1 | - | 24.9 | - | 19 | - | 15.0 | - | 5.9 | - | 31.50 | - | 14.2 | - | 12.2 | - | M3 on 23.1 BHC | - | 11.2 | 17 | - | 8455 | 8455 | M6x30 | ||
| 38150 | Metric | #2 | - | 24.9 | - | 19 | - | 15.0 | - | 5.9 | - | 37.50 | - | 20 | - | 13.5 | - | M3 on 29.0 BHC | - | 13.2 | 34 | - | 11125 | 11125 | M8x30 | ||
| 38200 | Metric | #3 | - | 28.6 | - | 22.2 | - | 17.5 | - | 6.4 | - | 50.00 | - | 27 | - | 18 | - | M4 on 39.4 BHC | - | 16.3 | 60 | - | 20025 | 20025 | M10x35 | ||
| 38250 | Metric | #4 | - | 31.8 | - | 25.4 | - | 20.6 | - | 6.4 | - | 56.00 | - | 35.3 | - | 23 | - | M4 on 45.5 BHC | - | 20.3 | 150 | - | 26255 | 26255 | M12x40 | ||
| 38300 | Metric | #5 | - | 39.6 | - | 31.8 | - | 27 | - | 7.9 | - | 69.50 | - | 42 | - | 29.3 | - | M5 on 55.9 BHC | - | 21.4 | 280 | - | 44500 | 44500 | M16x45 | ||
| 38350 | Metric | #6 | - | 39.6 | - | 31.8 | - | 27 | - | 7.9 | - | 75.50 | - | 51.5 | - | 29.3 | - | M5 on 63.9 BHC | - | 21.4 | 280 | - | 44500 | 44500 | M16x45 | ||
| 38400 | Metric | #7 | - | 45.5 | - | 37.6 | - | 32.3 | - | 7.9 | - | 107.50 | - | 77.7 | - | 29.3 | - | M6 on 92.6 BHC | - | 19.3 | 280 | - | 44500 | 44500 | M16x50 | ||
| 38450 | Metric | #8 | - | 45.5 | - | 37.6 | - | 32.3 | - | 7.9 | - | 132.90 | - | 103 | - | 29.3 | - | M6 on 118.06 BHC | - | 19.3 | 280 | - | 44500 | 44500 | M16x50 | ||
| 38500 | Metric | #9 | - | 45.5 | - | 37.6 | - | 32.3 | - | 7.9 | - | 132.90 | - | 175 | - | 29.3 | - | M6 on 118.06 BHC | - | 19.3 | 280 | - | 44500 | 44500 | M16x50 | ||
| 38550 | Metric | #10 | - | 45.5 | - | 37.6 | - | 32.3 | - | 7.9 | - | 152.40 | - | 250.2 | - | 29.3 | - | M6 on 133.35 BHC | - | 19.3 | 170 | - | 26000 | 26000 | M16x50 |
Each model below is routed to the best next step based on availability.
Every changeover means idle spindle time. Multi-part fixturing slashes setup frequency — so your machines spend more hours cutting and less time waiting.
Based on 250 working days/yr. Multi-part fixturing reduces changeover frequency so your spindle spends more time cutting.
Read our handy guide on how to select the right tombstone from their wide range of products.
Dr. Tony Schmitz, a professor specializing in vibration analysis, came to AME to do a series of tests on the various material types of tombstones and breaks down his findings to determine the best type of tombstone for your shop.
If you want to reduce your overall costs and increase your flexibility to meet your customers’ demands, consider incorporating off-machine set-ups into your machining process.
Both Hennig and its sister company, Advanced Machine & Engineering, now operate under the Hennig brand.
Same team. Same products. Same company. Different look.
Unifying the two brands under one name clarifies our offerings and makes them easier for you to navigate — one website, one team, one trusted partner.