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Fastening Identification

These hole types are used on various Simpson Strong-Tie connectors.

023a-2013

Round Holes

Purpose: to fasten a connector. Fill Requirements: always fill, unless noted otherwise
023b-2013

Obround Holes

Purpose: to make fastening a connector in a tight location easier. Fill Requirements: always fill.
023c-2013

Hexagonal Holes

Purpose: to fasten a connector to concrete or masonry. Fill Requirements: always fill when fastening a connector to concrete or masonry.
023d-2013

Triangular Holes

Purpose: to increase a connector's strength or to achieve Max strength. Fill Requirements: when the Designer specifies Max nailing.
023e-2013

Diamond Holes

Purpose: to temporarily fasten a connector to make installing it easier. Fill Requirements: none.
023f-2013

Pilot Holes

Tooling holes for manufacturing purposes. No fasteners required.
023g-2013

Speed Prongs

Used to temporarily position and secure the connector for easier and faster installation.
023h-2013

Positive Angle Nailing (PAN)

Provided when wood splitting may occur, and to speed installation.
023i-2013

Dome Nailing

This feature guides the nail into the joist and header at a 45° angle.
023j-2013

Double Shear Nailing

The nail is installed into the joist and header, distributing the load through two points on each joist nail for greater strength.
023k-2013

ITS/IUS Strong-Grip™

The Strong-Grip™ seat allows the I-joist to "snap" in securely without the need for joist nails.