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The Letter Lok 4000 is the largest channel letter fastening machine. With a 25″ throat, and can handle up to 10″ deep returns. With a fastening capacity of 0.160″ in thickness. This machine can also be equipped with an (SRP) Self Piercing Rivet tool, this will allow you to fasten aluminum composite material or polycarbonate materials.

 

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The Letter Lok 4000 is the largest channel letter fastening machine. With a 25″ throat, and can handle up to 10″ deep returns. With a fastening capacity of 0.160″ in thickness. This machine can also be equipped with an (SRP) Self Piercing Rivet tool, this will allow you to fasten aluminum composite material or polycarbonate materials.  

Letter Lok 4000 25” Throat