Structural Insights That Hold.

Discover expert tips, field-tested techniques, and best practices for structural bolting.

ATP offers Lighter Impact Wrenches for the Field

We always love supporting those who support us, EPH Tools is a New England based tool supplier that has always helped us get the tools we need. They j...

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DuraSquirt® Target Stress DTIs

DuraSquirt® Target Stress Direct Tension Indicating Washers are designed to be used as verification devices when torquing bolted flange joint assembli...

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DuraSquirt® DTIs for Flange Bolting

DuraSquirt® Single Pass and Target Stress DTIs You asked for it and now we have it, we make two flavors of DuraSquirt® DTIs specifically designed for ...

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Torque is Not Tension!...Wait...What?

You need torque to achieve tension, but the two values do not easily correlate. In simple terms, torque is the effort or power required to spin the nu...

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