Hydraulic Expansions Tool Holders Short Clamping Shank BT30 - EHM20 - 50
Ⅰ. Advantages
Ⅱ. Technical Parametes
| Product Name | Hydraulic Expansion Tool Holder |
| Spindle Type | BT30 |
| Clamping Range | 3mm~16mm (diameter) |
| Beat accuracy | < 0.003mm |
| Processing Type | Endmilling, Reaming, Drilling, Finishing |
| Product Material | Special steel |
| Hardness | HRC58~60° |
Ⅲ. Product Show

Available Standard Items
| Model number | D1 | D2 | d | L1 | L2 | M |
|
|
| BT30-EHM20-50 | 51.5 | 46 | 20 | 50 | 23 | M10*1.5 | OHM20 | T5 |
| BT40-EHM20-41 | 51.5 | 63 | 20 | 41 | 14 | OHM20 | ||
| BT40-EHM25-41 | 58 | 63 | 25 | 41 | 14 | / | ||
| BT40-EHM32-65 | 68.5 | 63 | 32 | 65 | 38 | OHM32 | ||
| BT50-EHM20-52 | 51.5 | 100 | 20 | 52 | 25 | OHM20 | ||
| BT50-EHM25-52 | 58 | 100 | 25 | 52 | 25 | / | ||
| BT50-EHM32-52 | 68.5 | 100 | 32 | 52 | 25 | OHM32 | ||
| BT50-EHM40-58 | 86.5 | 100 | 40 | 58 | 31 | / | ||
| BT50-EHM42-58 | 89 | 100 | 42 | 58 | 31 |
|
Collet specification sheet
| Part Number | D1 | D2 | L1 | L2 | d |
| HM12-3 | 12 | 16 | 44.5 | 2 | 3 |
| -4 | 4 | ||||
| -5 | 5 | ||||
| -6 | 6 | ||||
| -7 | 7 | ||||
| -8 | 8 | ||||
| HM20-3 | 20 | 24 | 50.5 | 2 | 3 |
| -4 | 4 | ||||
| -5 | 5 | ||||
| -6 | 6 | ||||
| -7 | 7 | ||||
| -8 | 8 | ||||
| -9 | 9 | ||||
| -10 | 10 | ||||
| -11 | 11 | ||||
| -12 | 12 | ||||
| -13 | 13 | ||||
| -14 | 14 | ||||
| -15 | 15 | ||||
| -16 | 16 | ||||
| HM32-6 | 32 | 36 | 60.5 | 3 | 6 |
| -8 | 8 | ||||
| -10 | 10 | ||||
| -12 | 12 | ||||
| -14 | 14 | ||||
| -16 | 16 | ||||
| -18 | 18 | ||||
| -20 | 20 | ||||
| -25 | 25 |
Ⅳ. Products Overview
TNT, EMS, DHL, UPS, FedEx.
Ⅵ. Packing
Main Material
PE Bag.
Plastic Box.
Carton Box.
Other Materials
Slushing oil.
Adhesive Tape.
Packing Straps.
Ⅶ. Warehouse
1. We usually arrange delivery within 2 days for standard products from stock after payment received.
2. OQC and IQC are always used to control and exam products quality.
3. We have special test gauges and equipments to measure products technical data.

Ⅷ. Warranty
12 Months warranty for free repairing and replacement.