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Sammys Concrete Applications

Installs into Concrete Structures Easily and Quickly!

The Concrete Sammy is made using 5/16″ Tapcon® Concrete Screws, perfect for Hanging Sprinklers, Pipes, Electrical Fixture or HVAC Equipment to cast in place concrete, precast concrete, and open web joist. The Concrete Sammy is available in vertical mount to accommodate all fastening situations.

Quick info



  • Easy two step process (Drill hole & drive Sammy concrete anchor)
  • 1/4″ pre-drilled pilot hole required
  • Concrete Installation Tool available for a one tool installation process

Product Selection

Rod Size:  3/8″

Part Number:  8059957

Model:  CST20

Description:  5/16 x 1-3/4″

Ultimate Pullout (lbs):  2400

Test Load (lbs):  1475

Box/Case Qty:  25 / 125

Use with Nut Drive:  Part No. 8113910

To view our catalog pages, click here;


Sprinkler Systems


Electrical Lighting and Fixtures

HVAC Equipment and Fixtures

1.  Using an SDS 250 carbide tip bit or a HEX RECEIVER with a #250 carbide tip bit, pre-drill the concrete member to a depth of 2″ with an electric impact/drill set on impact mode.
2.  After pre-drilling has been completed, install the SLEEVE TOOL over the bit (the bit should remain in the drill), and insert the #14 (black) nut driver (p/n 8113910) into the opposite end.
3.  Insert the concrete screw into the nut driver.
4.  Place tip of screw into the pre-drilled hole, turn impact/drill unit to drill mode and begin insertion. When the nut driver spins free on the screw, installation is complete. Stop and remove drill.
5.  The concrete screw is ready to receive 1/4″, 3/8″, 1/2″, or metric all thread rod or bolt stock. (#14SW red nut driver used with 1/2″ screw)

NOTE:  Use a 1200 maximum RPM drill for installation.
NOTE:  Do not install concrete screws while the drill unit is in impact mode — doing so will destroy the pullout factor of the screw.