HJ 系列橡膠內脹式夾具（rubber internal expansion fixture）。橡膠層受壓後往外均勻脹開，把力平均鋪在整個內孔面上 —— 這是它跟三爪、跟機械式脹套最大的差別：沒有局部點壓，薄壁件不容易被夾出橢圓。
69-100 mm，150 kN。從這一級起夾持力到頂，往上是靠本體尺寸而不是靠加力。
本款夾持範圍 69-100 mm；夾持力 150 kN；最高轉速 5,000 rpm；E 尺寸 100 mm。
Mongtec Precision 為台灣品牌，台中設計製造。
| Model | HJ2400 |
|---|---|
| Series | HJ |
| Type | HJ series rubber internal expansion fixture |
| Clamping range | 69-100 mm |
| Clamping force | 150 kN |
| B | 124(3-M6) |
| I | 160-210 mm |
| E | 100 mm |
| H1 | 52.5 mm |
| Thread S | M30*1.5 |
| Max speed | 5,000 rpm |
| Run-out | ≤ 0.01 mm |
| Hardness | HRC 58-62 (bulk carburized, quenched, cryogenic treated) |
| Spindle connection | Flange matched to your spindle nose — specify machine at RFQ |
| Brand | Mongtec Precision Inc. — Taiwanese brand, designed and engineered in Taichung, Taiwan |
| Model | Clamping range | Clamping force | Max speed |
|---|---|---|---|
| HJ2000XXS | 8-13 mm | 42 kN | 6,000 rpm |
| HJ2000XS | 13-19 mm | 42 kN | 6,000 rpm |
| HJ2000X | 16-21 mm | 42 kN | 6,000 rpm |
| HJ2000 | 20-28 mm | 42 kN | 6,000 rpm |
| HJ2100 | 26-38 mm | 42 kN | 5,000 rpm |
| HJ2200 | 36-54 mm | 85 kN | 5,000 rpm |
| HJ2300 | 50-80 mm | 105 kN | 5,000 rpm |
| HJ2500 | 100-130 mm | 150 kN | 4,500 rpm |
| HJ2600 | 130-160 mm | 150 kN | 3,500 rpm |
| HJ2700 | 160-192 mm | 150 kN | 3,500 rpm |
英文版：English version · HJ2400(W)（同級另一型式） · 全部型號 · 快換夾治具總覽