Product Announcements:
Clinching Machines

Norlok is connecting with the RIGID® QuickChange System™ providing a battery powered clinching tool. Read more...

Manufactured for the channel letter industry, the Letter Lok 1800 reduces your channel letter fastening costs and is guaranteed to outperform the competition. Read more...

SPR tool kit option for the Letter Lok 4000. Ideal for fastening aluminum composite material or poly carbonate material. Read more...

Surelok II is the industry standard clinching machine. The next generation maintains the trusted features with upgraded style and design. Read more...

With its versatile design and unsurpassed features, Norlok's LETTERLOK 4000 will reduce your channel letter fastening costs and outperform the competition. Read more...

Surelok II now with 24V high speed option Read more...

The Surelok III clinching machine now features an optional SPR kit for fastening TPO, aluminum composite material, TPO or similar coated material. SPR tool kit is also ideal for thicker material not suited for clinching. Read more...

View short videos demonstrating clinching, tooling adjustment and various features of Norlok clinching machines. Read more...

Norlok prides itself on its ability to assess special applications, from the largest multi-purpose machines to the simplest designs, and to provide cost-effective, practical solutions according to the customer's specifications. Read more...

Fasten sheet metal without the predrilled holes and hassles of riveting...all at a lower cost!

How does clinching work?

Clinching describes the forming of a Clinchlok joint. A Clinchlok joint is formed when the upper tooling squeezes the two ply of material joined between a punch and die. The strength of the Clinchlok joint and the life expectancy of the punch and di... Read more...