FOREVERBOLT®  Fasteners were tested via 3rd Party Laboratory

Twining, Inc.
3310 Airport Way
Long Beach, California 90806

FOREVERBOLT® with NL-19® Surface Treatment...The performance and testing has exceedingly surpassed our expectations. We hired an independent third party laboratory (Twinning Labs) to put the NL-19® processed products through rigorous testing which produced an amazing results. Twining Laboratory tested our NL-19® processed product for its tensile strength. As a result, the processed NL-19® product yield 1.9% stronger after the testing. 

Treated with NL-19(R) (Before test)
Comparison of Treated and Untreated Bolts (FB= Treated Foreverbolt) (1&4=Untreated Bolt)
Untreated 18-8 Stainless Steel (1, 2, 3, 4....after test)
Treated FOREVERBOLT® (after test)
Treated FOREVERBOLT®. 2 bolts after being tested compared to 2 bolts not tested.