ASME B18.29.1

Description / Abstract: This Standard delineates the dimensional data for the inch series helical coil screw thread inserts and the threaded holes into which they are installed. Both free-running and screw-locking types having unified fine and unified coarse thread series from size #1 through 1½ in. are covered. Appendices that describe insert selection, STI (screw thread insert) taps, gages and gaging, insert installation, and removal tooling are also included.

The inclusion of dimensional data in this Standard is not intended to imply that all products described are stock sizes. Consumers should consult with manufacturers concerning availability.