Un-A-Lok® Liner Bushings (UL)

Quick-Ship Un-A-Lok® Liner Bushings (UL)

Locking tab liner foundation for renewable bushings. Similar to HL head liners but with integrated locking tab eliminating separate lockscrew. Holds SF renewable drill bushings with dramatically reduced installation time.
Quick-Ship UL liners simplify renewable tooling setup. Permanent installation with built-in locking tab secures bushings faster than traditional head liner plus lockscrew combinations. Ideal for production jigs needing quick bushing changes. Locking tab provides secure retention while protecting jig plate from wear.

Why choose UL bushings?

Why Un-A-Lok (UL) liners excel: Integrated locking tab eliminates lockscrew while enabling unlimited SF renewable bushing changes for fastest installation and maximum flexibility.
  • Permanent press-fit with locking tab
  • No separate lockscrew required
  • Precise sliding fit for SF renewables
  • Jig plate wear protection
  • Dramatically reduced install time
  • Multi-operation optimized

Applications

Multi-step drilling with rapid bushing changes. Perfect for production jigs prioritizing installation speed and renewable precision.

Technical Specifications

UL liner specifications:
  • Material: 1144 Stressproof steel, Rc 62-64
  • Common sizes: 3/16" to 4" ID stocked
  • Part numbering: UL-XX-X format
  • OD Tolerance: 5/16" +0.0016/+0.0013; 3/4-1" +0.0018/+0.0015
  • ID Tolerance: 3/16-5/16" +0.0001/+0.0004"; 1/2" +0.0002/+0.0005"

Installation Methods

Press-fit with integrated locking:
  • Hydraulic press into counterbored hole
  • Locking tab secures renewable bushings
  • Permanent mounting (non-replaceable)

Order Now

Immediate availability on standard UL sizes.
Get your personalized drill bushing quote fast. Select your products and details below for immediate pricing on Carr Lane Quick-Ship bushings.