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The Letterlok 4000 (Now with SPR Tooling option)

With its versatile design and unsurpassed features the LETTERLOK 4000 will reduce your channel letter fastening costs and outperform the competition.

Features Include:

Faster cycle times For more production (60 – 80 cycles a minute)
Greater capacity Clinches 2” – 10” deep letters
Larger table 30” x 60” for operator convenience
UL recognized tooling Norlok special tooling, in conjunction with the Letterlok series of machines, produce a UL recognized clinch for channel letters
Simple tooling adjustment Little or no set-up time
Air powered (no electrical hook-ups necessary)
Foot pedals operate lower tooling and clinch cycle for increased productivity
More than 20 years of design experience Proven reliability and quality
Affordably priced Low investment and faster payback

When you combine all the features, benefits and quality the LETTERLOK 4000 sets the standard for the Channel Letter industry.

Download a brochure of the Letterlok 4000.

Download a brochure of the Letterlok 3000 return fastener portable tool.


Video of the Letterlok 4000 in action.

Are you considering Aluminum Composite Material?

The SPR kit can be added to any LL4000 machine.

Features & Options


Throat 25" Choose the depth of frame behind punch
Tooling 1 Punch and 1 Die included with machine
Tooling Retracts below Table Large letters and script are easy to insert and remove
Quick Adjustments Fast and easy to adjust for various material thickness. Under 5 minutes
10 1/4" stroke Fits large 10" letters. Safe Low Pressure closing. Easily insert your largest letters into the work area.
Adjustable Table Height 1 touch operation raises and lowers the table pneumatically
Laser pointer Shows where clinch will be made – easy to use
- meets all regulations for laser pointers.
Air Filter / Regulator / Shutoff Nothing to add - just plug your air line into the shut off valve
Extended Warranty standard warranty is 1 year (punches and dies excluded).