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Round Washer Head Structural Screws / Lag Screws - Torx (Self-Drive)

5/16" Diameter Structural Screws Round Washer Head Torx (Self-Drive)

Lethbridge Fasteners Approved

In Stock

  • $0.52

A heavy duty structural fastener design has a finished appearance of a conventional round head, and is created to provide an extra-large bearing surface under the head.

  • Professional timber construction, staircases, deck frames. rafter, trellis framing, ledger boards, joists, planter boxes, post supports, play-set structures, retaining walls, facade attachments, laminated beams, SIP panels, fencing, pole barns, concrete forms and more


  • Head Type: Dome Head with Talon Grip
  • Recess: Tight Star Recess system grasps the U-Bit tightly and can be installed with one hand.
  • Point: Tapper Point which consists of the Cork Screw Start and Blade Cutting Thread for easy piercing and alleviating strain on the material.
  • Sizes: #10, #1/4, #5/16, #3/8
  • Length: 1-1/2" to 20"
  • Coating: It is hexavalent chromium (CR6+) free and complies with the strictest standards governing chemical substances.

* All Pictures Shown Are For Illustration Purpose Only. Actual Product May Vary Due To Product Enhancement.

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