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Hydraulic Holders
JIS B 6339 BT40 Hydraulic Holder
The BT40 hydraulic tool holder features a 7:24 taper and delivers runout accuracy within 3 μm. Its uniform clamping force improves tool life and surface finish, while easy wrench operation enables quick tool changes. Balanced to G2.5 at 25,000 rpm, it is ideal for precision and high-speed machining on CNC milling machines and machining centers.
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| BT40 Hydraulic Holder | ||||||||
| 订单号 order No. |
D1 | D2 | D3 | L | L1 | L2min | L2max | M |
| BT30-HDC03-60L | 3 | 21 | 45 | 60 | 29 | 23 | 84 | - |
| BT30-HDC04-60L | 4 | 21 | 45 | 60 | 29 | 23 | 84 | - |
| BT30-HDC06-75L | 6 | 30 | 46 | 75 | 24 | 28 | 50 | M5 |
| BT30-HDC08-75L | 8 | 32 | 46 | 75 | 24 | 28 | 50 | M6 |
| BT30-HDC10-75L | 10 | 34 | 46 | 75 | 24 | 34 | 50 | M8 |
| BT30-HDC12-75L | 12 | 36 | 46 | 75 | 25 | 36 | 50 | M8 |
| BT30-HDC14-90L | 14 | 38 | 46 | 90 | 40 | 41 | 52 | M8 |
| BT30-HDC16-90L | 16 | 40 | 46 | 90 | 33 | 41 | 52 | M8 |
| BT30-HDC18-90L | 18 | 42 | 46 | 90 | 41 | 41 | 52 | M8 |
| BT30-HDC20-90L | 20 | 46 | 46 | 90 | - | 41 | 52 | M8 |
| BT40-HDCO4-90L | 4 | 28 | 46 | 90 | 38 | 24 | 42 | - |
| BT40-HDC06-90L | 6 | 30 | 46 | 90 | 38 | 28 | 44 | M5 |
| BT40-HDC08-90L | 8 | 32 | 48 | 90 | 38 | 28 | 44 | M6 |
| BT40-HDC10-90L | 10 | 36 | 52 | 90 | 40 | 37 | 51 | M8 |
| BT40-HDC12-90L | 12 | 38 | 54 | 90 | 40 | 37 | 51 | M8 |
| BT40-HDC14-90L | 14 | 40 | 56 | 90 | 40 | 41 | 52 | M12 |
| BT40-HDC16-90L | 16 | 42 | 58 | 90 | 40 | 41 | 52 | M12 |
| BT40-HDC18-90L | 18 | 43 | 59 | 90 | 40 | 41 | 52 | M12 |
| BT40-HDC20-90L | 20 | 46 | 60 | 90 | 40 | 41 | 53 | M12 |
| BT40-HDC25-105L. | 25 | 52 | 62 | 105 | 55 | 49 | 65 | M12 |
| BT40-HDC32-105L | 32 | 63 | - | 105 | - | 52 | 65 | M12 |
| BT40-HDC06-140L | 6 | 22 | 26.5 | 140 | 90 | 25 | 37 | M5 |
| BT40-HDC08-140L | 8 | 24 | 28.7 | 140 | 90 | 25 | 37 | M6 |
| BT40-HDC10-140L | 10 | 25 | 29.7 | 140 | 90 | 31 | 42.5 | M8 |
| BT40-HDC12-140L | 12 | 28 | 32.7 | 140 | 90.5 | 34 | 47.5 | M8 |
| BT40-HDC20-140L | 20 | 40 | 44.7 | 140 | 91 | 39 | 53 | M12 |
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