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JAS series
JAS Collet Style Stationary Chuck, JAS Jaw Style Stationary Chuck
Subject to the different products spec and craft, and different exchange rate, The price here is just for your reference, please get the right price from our sales when you order.
Products Introduction
OMATEI Stationary Collet Chuck has served our customers for more than two decades, and owns the most advanced design and the lowest cost. This product answers the requirements of a stationary chuck from our demanding customers: reliable, low cost, high accuracy, long product life, high rigidity, resistant to fluid and dust, and force opening mechanism. Our engineers keep improving the product design for this simple chuck to achieve our goal for a flawless product.
Application Range
JAS collet style Stationary Collet Chuck is applied as workholding
for CNC tapping centers or rotary SPMs (special purpose machines)
JAS-5C Stationary Collet Chuck - 5C Collet - Pneumatic or Hydraulic
JAS-15 Stationary Collet Chuck - YB-15 Collet - Pneumatic or Hydraulic
JAS-25 Stationary Collet Chuck - YB-25 Collet - Pneumatic or Hydraulic
Products Advantage
Cost effective stationary collet chuck.
High accuracy. High rigidity. Long product life.
High resistant to cutting chips, fluid or dust.
Chuck force-opening design ensures no workpart jamming.Direct mounting to spindle nose in A2 flange.
Chucking accuracy 0.020mm (regular spring collet).
Chucking accuracy 0.010mm (selected precision spring collet).

For the length unit : mm(inch)
Model | JAS-15 | JAS-25 | JAS-5C |
A | 118 (4.65) | 144 (5.67) | 144 (5.67) |
B | 40 (1.57) | 55 (1.27) | 55 (1.27) |
C | 14 (0.55) | 26 (1.02) | 26 (1.02) |
D | 90 (3.54) | 100 (3.94) | 100 (3.94) |
E | 76 (2.99) | 108 (4.25) | 95 (3.74) |
F | 64 (2.52) | 75 (2.95) | 75 (2.95) |
G | 98 (3.86) | 118 (4.65) | 118 (4.65) |
H | 8.5 (0.33) | 8.5 (0.33) | 8.5 (0.33) |
Working Collet/Jaws | YB-15 Collet | YB-25 Collet | 5C Collet |
Air/Hydro Actuated | Air/Hydro | Air/Hydro | Air/Hydro |
Operating Pressure | 3-15kg/cm2 | 3-15kg/cm2 | 3-15kg/cm2 |
Operating Pressure(psi) | (43-214psi) | (43-214psi) | (43-214psi) |
Max. Capacity Through/Non-Through | 14-16 | 26-28 | 26-28 |
Max. Capacity Through/Non-Through (in) | (0.55-0.63) | (1.02-1.10) | (1.02-1.10) |
Piston Area | 79cm2 (12.2in2) | 112cm2 (17.4in2) | 112cm2 (17.4in2) |
Clamping Force | 2850kgf@7kg/cm2 (6260lbf@100psi) | 3890kgf@7kg/cm2 (8550lbf@100psi) | 3890kgf@7kg/cm2 (8550lbf@100psi) |
Net Weight | 5kgs (11lbs) | 9kgs (19.8lbs) | 9kgs (19.8lbs) |
Item | Omatei Promise on Quality |
1 | 100% inspected |
2 | In case of quality defects before use, buyer should notify Omatei within a week after receiving goods, Omatei is responsible for returning and resending freight charge. Buyer should package the goods firmly for returning transportation safety. |
3 | If buyer need changing before use, buyer should notify Omatei within a week after receiving goods, Buyer is responsible for returning and resending freight charge, Buyer should package the goods firmly for returning transportation safety. |

Packing Details : Our packing is firm and safe and suitable for air or sea shipping way.
Lead time: 1 day after received payment if in stock, otherwise, the lead time is 30 days.






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