A punch having wings is driven through framing members and then rotated. Rotation of the punch causes the wings to crimp the framing members together. An angular crimping technique where piercing members are driven through framing members in at least two different directions to crimp the framing members together. A fastenerless cinching tool pierces adjacent framing member and crimps the framing members together.

 
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< Structural framework detailing tool

< Top flange stud to plate tie

> Construction layout stripping having a plurality of pairs of uprights thereon

> Method and apparatus for retaining model structural members

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