FOREVERBOLT® Fasteners were tested via 3rd Party Laboratory
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.