3 - JAW EXTRA LONG JAW STROKE THROUGH HOLE HIGH SPEED POWER CHUCK
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Online inquiryBrand：NTH
It‵s a crank type 3-jaw power chuck, and extra long jaw stroke.
Matching surfaces of all parts are hardened, ground and lubricated directly
Construction of high rigidity and high clamping accuracy and high rotary speed.
The connecting spec is same as other "Through-hole power chuck", No need change the "Draw tube"
Size unit: mm
| Spec/Model |
Plunger stroke mm |
Jaw stroke Dia. mm |
Max chucking Dia. mm |
Min chucking Dia. mm |
Max.D.B.Pull kgf |
|---|---|---|---|---|---|
| BL-05 A4 | 12 | 18 | 135 | 6 | 15.6(1590) |
| BL-06 A5 | 15 | 24 | 170 | 18 | 23.5(2400) |
| BL-08 A5 | 20 | 32 | 215 | 25 | 34.3(3500) |
| BL-08 A6 | 20 | 32 | 215 | 25 | 34.3(3500) |
| BL-10 A6 | 25 | 37.5 | 260 | 47 | 47.7(4870) |
| BL-10 A8 | 25 | 37.5 | 260 | 47 | 47.7(4870) |
| BL-12 A8 | 30 | 45 | 315 | 54 | 64.7(6600) |
| BL-15 A11 | 35 | 52 | 385 | 50 | 84.3(8600) |
| Spec/Model |
Max clamping force kgf |
Max RPM |
Inertia moment kg*m2 |
Weight kg |
Weight(Ad.) kg |
Matched cylinders |
|---|---|---|---|---|---|---|
| BL-05 A4 | 17.2(1750) | 4200 | 0.019 | 7.2 | 8 | H-1036 |
| BL-06 A5 | 26.0(2650) | 3600 | 0.063 | 13 | 14.8 | H-1246 |
| BL-08 A5 | 35.0(4150) | 3000 | 0.175 | 23 | 25.9 | H-1552 |
| BL-08 A6 | 35.0(4150) | 3000 | 0.175 | 23 | 24.1 | H-1552 |
| BL-10 A6 | 61.0(5700) | 2400 | 0.347 | 38 | 45 | H-1875 |
| BL-10 A8 | 61.0(5700) | 2400 | 0.347 | 38 | 43.5 | H-1875 |
| BL-12 A8 | 68.0(7650) | 2100 | 0.827 | 62 | 67.5 | H-2091 |
| BL-15 A11 | 68.0(6930) | 1600 | 2.58 | 136 | 143 | H-2511 |
| Spec/Model | A | B | B (Ad.) | C(H6) | D | D1 | D2 | E | E1 | F | Gmax | Gmax(Ad.) | Gmin | Gmin(Ad.) | H | J |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BL-05 A4 | 135 | 65 | 76 | 110 | 82.6 | 63.51 | 96 | 4 | 15 | 32 | 1 | 16 | -11 | 4 | 20 | 12 |
| BL-06 A5 | 168 | 84 | 97 | 140 | 104.8 | 82.56 | 116 | 5 | 18 | 42 | 6.5 | 24.5 | -8.5 | 9.5 | 19 | 20 |
| BL-08 A5 | 210 | 96 | 118 | 170 | 133.4 | 82.56 | 104.8 | 5 | 23 | 52 | 7 | 34 | -13 | 14 | 20 | 30 |
| BL-08 A6 | 210 | 96 | 114 | 170 | 133.4 | 106.38 | 150 | 5 | 17 | 52 | 7 | 30 | -13 | 10 | 20 | 30 |
| BL-10 A6 | 254 | 110 | 130 | 220 | 171.5 | 106.38 | 133.4 | 5 | 25 | 70 | 8 | 33 | -17 | 8 | 25 | 45 |
| BL-10 A8 | 254 | 110 | 123 | 220 | 171.5 | 139.72 | 190 | 5 | 18 | 70 | 8 | 26 | -17 | 1 | 25 | 45 |
| BL-12 A8 | 304 | 127 | 140 | 220 | 171.5 | 139.72 | 190 | 6 | 18 | 91 | 15 | 33 | -15 | 3 | 28 | 50 |
| BL-15 A11 | 385 | 150 | 166 | 300 | 235 | 196.87 | 260 | 6 | 22 | 120 | 12.5 | 34.5 | -22.5 | -0.5 | 39 | 60 |
| Spec/Model | K max | L | L1 | L1(Ad.) | M | N | P | Q max | Q min | R max | R min | S | T | U |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BL-05 A4 | M40×1.5 | 3-M10 | 15 | 15 | 31 | 62 | 14 | 23 | 13.75 | 31 | 22 | 25 | 10 | 3-M6 |
| BL-06 A5 | M55×2 | 6-M10 | 18 | 15 | 37 | 73 | 20 | 25.7 | 13.75 | 39 | 27 | 31 | 12 | 3-M6 |
| BL-08 A5 | M60×2 | 6-M12 | 18 | 19 | 38 | 95 | 25 | 28.25 | 16.25 | 49.25 | 33.25 | 35 | 14 | 6-M10 |
| BL-08 A6 | M60×2 | 6-M12 | 18 | 20 | 38 | 95 | 25 | 28.25 | 16.25 | 49.25 | 33.25 | 35 | 14 | 3-M6 |
| BL-10 A6 | M85×2 | 6-M16 | 22 | 20 | 43 | 110 | 30 | 35.25 | 17.25 | 64.25 | 45.25 | 40 | 16 | 6-M12 |
| BL-10 A8 | M85×2 | 6-M16 | 22 | 25 | 43 | 110 | 30 | 35.25 | 17.25 | 64.25 | 45.25 | 40 | 16 | 3-M8 |
| BL-12 A8 | M100×2 | 6-M16 | 20 | 19 | 51 | 130 | 30 | 46.25 | 19.25 | 77 | 54.5 | 50 | 21 | 3-M8 |
| BL-15 A11 | M130×2 | 6-M20 | 33 | 31 | 63 | 165 | 43 | 51.25 | 27.25 | 94.25 | 68.25 | 62 | 22 | 3-M10 |
Subject to technology changes without prior information
Non-standard requirements can be made
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