“Direct Tension Indicator Washers”
A compressible steel washer manufactured with protrusions on one side, known as a direct tension indicator washer (DTI). When used with structural bolts the DTI is designed to compress to correlate to bolt tension. The DuraSquirt® DTI is the same as other DTI washer except for the orange silicone that has been added to the […]
The Wedge-Locking Technology that Secures Bolted Joints
In this animated video, we explain the principle behind the Nord-Lock washers. Our original wedge-locking technology secures bolted joints, even when exposed to severe vibration and dynamic loads. It is impossible for Nord-Lock to loosen unintentionally due to the wedge created underneath the bolt head and nut. Nord-Lock Group is a global leader in engineering […]
