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What Makes Us Different

To call the polyurethane spindle liner revolutionary might sound exaggerated to those who are unfamiliar with bar turning technology — but Trusty-Cook’s patented CNC lathe accessory allows machinists to manufacture parts from extruded profiles and odd shapes to the same exacting tolerances as parts machined from standard round stock.

Since 2003, we’ve held U.S. patent number 6,634,263 B2 for inventing the first tubular, one-piece, unibody spindle liner with an outside and inside diameter that may be sized to fit virtually any spindle of a turning machine.

Need a spindle liner in a hurry? Use our expedite service.

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Why Trusty-Cook Spindle Liners

  • Better control & protection of bar stock
  • Liner IDs for bar diameters 0.060” to 10.00”+ and liner wall thickness as thin as 0.050”
  • Extended machine-life
  • Hold tighter tolerances on existing machines
  • Limited scrap rates
  • Precise turning at increased speeds
  • Minimized vibration & reduced sound
  • Engineered solutions for any extrusion or shape—never any locator pins, which can mar your bar stock

Every spindle liner is manufactured in our plant and is designed to solve application issues, extend the life of tooling, and, plain and simply put, allow your machine to crank out good parts, as our customers will tell you:

WOW!!! That spindle liner is awesome. We have had vibration issues for years on this machine. Steel liners only carry the vibration through the spindle, through the collet and right to the surface finish of the part. This liner totally eliminated it. We will be doing more business real soon. Thanks!

Rodney Hanes, Journeyman Machinist/Tech

Trusted by the industry's best


Your exclusive source for Urethane Quick Six Guide Sleeves & Multi-Piece Urethane Spindle Liners

LNS Quick Six urethane guide sleeve. Click here for more information on the LNS Quick Six bar feeder.

Two-piece urethane spindle liner

Trusty-Cook is the the only authorized direct reseller of urethane guide sleeves for the popular Quick Six automatic bar feeder manufactured by LNS America. Every bar stock size you run on your turning center and Quick Six requires a spindle liner and a guide sleeve. Let Trusty-Cook be your one-stop shop for guide sleeves and matching spindle liners for your turning center and Quick Six automatic bar feeder.

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Get A Quote

Fill out the form below to receive your free quote. Trusty-Cook ships spindle liners and hammers across the globe. We welcome inquiries and requests for quotes from customers outside the US.

Quote Request

Google Ads - Spindle Liner RFQ

Machine Make & Model / Liners Needed

example - MAZAK
Example - Quick Turn Nexus 300
many Models have multiple through bore options
If available, providing as as much information for your lathe will help ensure proper fit. However, we do have an extensive database of machine specifications and will provide specifications for confirmation with your quote.

Maximum file size: 2MB

If you have another machine to add - click +Add button below. If not, click Submit RFQ.