3" 3 Jaw Self Centering Precision Chuck & R8 Arbor
SKU
202-5445
$169.50
In stock
Shipping UPS Ground
Details
| Mfg SKU # | 202-5445 |
|---|---|
| Lathe Chuck Category | Self Centering Scroll Chucks |
| Brand | Shars Tool |
| chuck diameter | 3 |
| shank size | R8 |
| Number of Jaws | 3 |
| max capacity | 2.48 |
| min capacity | 0.079 |
Spotlight
- R8 arbor allow to use the chuck in horizontal or vertical position
- Self Centering lathe chuck will open and close all 3 jaws simultaneously
- Semi-steel chuck body made from high quality cast iron
- 3 pinion available around the chuck body to allow easy access for the lathe chuck key to open or close the jaws
- Each pinion is ground and hardened to HRC 43
- Both sides of the jaw teeth and guides are ground and hardened to HRC 58-62
- Each set of jaws are serialized in their own set
- A serialized set of jaws are then finished, ground, and lapped on their designated chuck body which will be the same chuck body on the final assembly to achieve a greater accuracy
- Before assembling the jaws to its designated chuck body, the jaws finish machining is performed on a close tolerance state of the art CNC machine from Japan
- The scroll plate's thread flank are ground on both sides to achieve tighter contact with the master jaw
- Each chuck has gone through rigorous accuracy and repeatability inspection by clamping and jamming multiple random testing rods or rings
- Accuracy is maintained for the entire clamping range
Clamping Range:
- Internal Jaw:
- Clamping Range A-A1: 0.079-0.866"
- Jamming Range B-B1: 0.984-2.756"
- External Jaw
- Clamping Range C-C1: 0.866-2.480"
- Chuck Center Hole: 0.630"
- Chuck Body Thickness: 1.969"
- Runout: 0.003"
What’s Included
- One set of inside jaws (3 pcs per set) for internal holding
- One set of outside jaws (3 pcs per set) for external holding
- Lathe chuck key
