National Design Specification for Wood Construction (Publication #T-01) – Nationally recognized design guide for wood structures. Includes general requirements, design provisions and formulas, and data on structural connections (nails, bolts, screws, split ring, and shear plate connectors, and timber rivets).

The NDS Commentary provides background on development of NDS design provisions for bolt, lag screw, wood screw, nail, split ring, shear plate, and timber rivet connections.