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<h1>Wood Construction Connectors Fastening Identification Guide/Hole Types</h1>

<div class="notice">
  <div class="icon icon-info"></div>
  <div class="notice__content">
	Also see
	<a
	  href="/products/connectors/wood-construction-connectors/technical-notes/fastener-types-and-sizes"
	  >fastener types and nails</a
	>.
  </div>
</div>

<div class="row">
  <div class="col-sm-6 col-md-3">
	<div class="image" style="text-align: center;">
	  <img
		src="https://embed.widencdn.net/svg/ssttoolbox/bfroyqcru0/C-C-2019-PG-20-F-Round-Holes-Example.svg"
		alt="Round Holes Example" height="15%"
	  />
	  <div class="image-caption" style="text-align: left;">
		<strong>Round Holes</strong><br />
		Purpose: To fasten a connector.<br />
		Fill Requirements: Always fill, unless noted otherwise.
	  </div>
	</div>
  </div>
  <div class="col-sm-6 col-md-3">
	<div class="image">
	  <img
		src="https://embed.widencdn.net/svg/ssttoolbox/r1n6yj6bho/C-C-2019-PG-20-G-Obround-Holes-Example.svg"
		alt="Obround Holes Example"
	  />
	  <div class="image-caption" style="text-align: left;">
		<strong>Obround Holes</strong><br />
		Purpose: To make fastening a connector in a tight location easier.<br />
		Fill Requirements: Always fill.
	  </div>
	</div>
  </div>
  <div class="col-sm-6 col-md-3">
	<div class="image">
	  <img
		src="http://embed.widencdn.net/img/ssttoolbox/p1uav4genh/exact/Square_hole.png"
		alt="Obround Holes Example" width="90"
	  />
	  <div class="image-caption" style="text-align: left;">
		<strong>Square Holes</strong><br />
		Purpose: To fasten a connector.<br />
		Fill Requirements: Always fill, unless noted otherwise.
	  </div>
	</div>
  </div>

  <div class="col-sm-6 col-md-3">
	<div class="image">
	  <img
		src="https://embed.widencdn.net/svg/ssttoolbox/sufwd1i7dc/C-C-2019-PG-20-H-Hexagonal-Holes-Example.svg"
		alt="Hexagonal Holes Example"
	  />
	  <div class="image-caption" style="text-align: left;">
		<strong>Hexagonal Holes</strong><br />
		Purpose: To fasten a connector to concrete or masonry.<br />
		Fill Requirements: Always fill when fastening a connector to concrete or
		masonry.
	  </div>
	</div>
  </div>
</div>

<div class="row">
  <div class="col-sm-6 col-md-3">
	<div class="image">
	  <img
		src="https://embed.widencdn.net/svg/ssttoolbox/1zt36nhvel/C-C-2019-PG-20-I-Triangular-Holes-Example.svg"
		alt="Triangular Holes Example"
	  />
	  <div class="image-caption" style="text-align: left;">
		<strong>Triangular Holes</strong><br />
		Purpose: To increase a connector’s strength or to achieve max.
		strength.<br />
		Fill Requirements: When the Designer specifies max. nailing.
	  </div>
	</div>
  </div>

  <div class="col-sm-6 col-md-3">
	<div class="image">
	  <img
		src="https://embed.widencdn.net/svg/ssttoolbox/msofq8j88c/C-C-2019-PG-20-J-Diamond-Holes-Example.svg"
		alt="Diamond Holes Example"
	  />
	  <div class="image-caption" style="text-align: left;">
		<strong>Diamond Holes</strong><br />
		Purpose: To temporarily fasten a connector to make installing it
		easier.<br />
		Fill Requirements: None.
	  </div>
	</div>
  </div>

  <div class="col-sm-6 col-md-3">
	<div class="image">
	  <img
		src="https://embed.widencdn.net/svg/ssttoolbox/wyk5rkaqux/C-C-2019-PG-20-K-Pilot-Hole-Example.svg"
		alt="Pilot Hole Example" width="90"
	  />
	  <div class="image-caption" style="text-align: left;">
		<strong>Pilot Holes</strong><br />
		Tooling holes for manufacturing purposes. No fasteners required.
	  </div>
	</div>
  </div>

  <div class="col-sm-6 col-md-3">
	<div class="image">
	  <img
		src="https://embed.widencdn.net/svg/ssttoolbox/jkjhtjzskh/C-C-2019-PG-20-L-Speed-Prongs-Example.svg"
		alt="Speed Prongs Example"
	  />
	  <div class="image-caption" style="text-align: left;">
		<strong>Speed Prongs</strong><br />
		Used to temporarily position and secure the connector for easier and
		faster installation.
	  </div>
	</div>
  </div>
</div>

<div class="row">
  <div class="col-sm-6 col-md-3">
	<div class="image">
	  <img
		src="https://embed.widencdn.net/svg/ssttoolbox/g1pfmdshhe/C-C-2019-PG-20-M-Positive-Angle-Nailing.svg"
		alt="ositive Angle Nailing"
	  />
	  <div class="image-caption" style="text-align: left;">
		<strong>Positive Angle Nailing (PAN)</strong><br />
		Provided when wood splitting may occur, and to speed installation.
	  </div>
	</div>
  </div>

  <div class="col-sm-6 col-md-3">
	<div class="image">
	  <img
		src="https://embed.widencdn.net/svg/ssttoolbox/jj3tindmed/C-C-2019-PG-20-N-Dome-Nailing.svg"
		alt="Dome Nailing"
	  />
	  <div class="image-caption" style="text-align: left;">
		<strong>Dome Nailing</strong><br />
		This feature guides the nail into the joist and header at a 45° angle.
	  </div>
	</div>
  </div>

  <div class="col-sm-6 col-md-3">
	<div class="image">
	  <img
		src="https://embed.widencdn.net/svg/ssttoolbox/cxruwwlzrb/C-C-2019-PG-20-O-Double-Shear-Nailing-Example.svg"
		alt="Double Shear Nailing Example"
	  />
	  <div class="image-caption" style="text-align: left;">
		<strong>Double-Shear Nailing</strong><br />
		The nail is installed into the joist and header, distributing the load
		through two points on each joist nail for greater strength. Double-shear
		nailing must be full-length catalog nail.
	  </div>
	</div>
  </div>

  <div class="col-sm-6 col-md-3">
	<div class="image">
	  <img
		src="https://embed.widencdn.net/svg/ssttoolbox/airs6r4jy4/C-C-2019-PG-20-P-ITS-IUS-Strong-Grip-Example.svg"
		alt="ITS IUS Strong Grip Example"
	  />
	  <div class="image-caption" style="text-align: left;">
		<strong>ITS/IUS Strong-Grip&trade;</strong><br />
		The Strong-GripTM seat allows the I-joist to “snap” in securely without
		the need for joist nails.
	  </div>
	</div>
  </div>
</div>

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Wood Construction Connectors Fastening Identification Guide/Hole Types

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