Fasteners

LumberLok Connector Screw

LC

Reference Series: SD
The LumberLok Connector Screw is a self-drilling screw that can be used with a number of MiTek connectors and also for wood-to-wood applications. The screws feature a 1/4" hex head with integral washer and gimlet point for ease of installation. The twin-lead threads drive in twice as fast as the single lead threads significantly reducing installation time. The MiTek head stamp identifies the screw length for easy inspection.

Screw shear capacities are based on a diameter of 0.170" when the shear plane is on the screw shank (SH) and 0.109" when the shear plane is on the threads (T). MiTek LumberLok Connector Screws have a bending yield strength of 170,000 psi.
Materials: Low carbon hardened steel
Finish: See Specification Table
Code Reports: View Code Report Table

Resources

Options

Technical Bulletins

Installation

  • Screws are self-drilling.
  • Install using a low speed clutch drill with 1/4″hex head. The washer head should be flat to the surface. Do not over-tighten the screws.
  • Installing the screw at an angle may introduce additional bending and tension forces into the fastener if the screw head is not flat to the bearing surface. Care should be given to ensure the fastener is installed perpendicular to the plane of the fastener hole.
  • Impact drivers are not recommended for use with LumberLok Connector Screws.

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LumberLok Connector Screws

LumberLok Connector Screws

LumberLok Connector ScrewsTypical LumberLok Connector Screw installation

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Corrosion Resistant Products Table

Corrosion Resistant Products Table View / Download the above load table as a PDF