Drill Bit - 3/16" x 12"

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0.25 (in)
0.25 (in)
12.00 (in)
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AGS - 3/16" x 12 Drill Bit

This 3/16" x 12" drill bit is used to drill pilot holes for the 5/16" x 3" stainless steel lag screws used to mount a Cascadia post. The longer length of the drill bit allows for a shallow angle when drilling the pilot holes with the post in place.



  • Create a Beautiful and Distinctive Look: Can be used with other off-the-shelf components to distinctively decorate decks, patios, stairs, balconies, porches, and verandas.
  • Save Time and Money: Eliminates the need for consultation, custom design work, and expensive skilled labor.
  • Reduce Waste and Inefficiency: Marine grade 316 stainless steel is 100% recyclable and reduces future maintenance by resisting corrosion.
  • Easy Do-It-Yourself (DIY) Installation: Simple design with educational How-To and FAQ resources that include DIY instructions and DIY videos to facilitate installation.

Cascadia Railing System Installation Instructions

Video Resources