HJB-06, 6" (165mm) Sliding-Type Boring Ring for Lathe Chuck Jaws
Part # 05-0511HJB-06
* All prices and specifications subject to change without notice. Actual product appearance & included accessories may differ.
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Technical specifications
Chuck Size | 6.0 in \ 165.0 mm |
Type | HJB |
[A] Dimension | 0.47 in \ 12.0 mm |
[B] Dimension | 6.61 in \ 168.0 mm |
[C] Dimension | 3.15 in \ 80.0 mm |
[D] Dimension | 0.47 in \ 12.0 mm |
[E] Dimension | 1.26 in \ 32.0 mm |
[F] Dimension | 0.35 in \ 9.0 mm |
[G] Dimension | 0.65 in \ 16.5 mm |
Maximum RPM | 800 |
Maximum Gripping Pressure | 8.0 kgf/cm² |
Weight | 3.3 lbs \ 1.5 kg |
Country of Origin | Taiwan |
Technical Images

Enlarge Line Drawing & Specs
*Haas Tooling boring rings are for hydraulic power chucks that come standard on Haas ST and DS models and not for manual scroll-type chucks.
*Verify dimension [G] in the tech specs suits your existing jaws. Pin diameter may need modifying to suit Haas 15-inch chuck jaws.
BUY A BORING RING & GET 50% OFF 2 SETS OF SOFT JAWS
*Limit to 2 soft jaw sets per boring ring. Pie jaws and 15" jaws are not included. The lowest-priced soft jaws will be discounted. Discount will be displayed in your cart.
START SAVING | LEARN MORE HAAS LATHE BORING RINGS OVERVIEW
HJB Boring Rings:
- Filter through the range of HJB rings by your chuck size
- A single ring can be used to bore a wide range of diameters for a specific lathe chuck size
- Easy fine jaw adjustment, to prevent too much material removal when re-cutting jaws







