The size drill bit this screw requires is a 3/8" carbide drill bit.
Tapcon, 3/8in.2-1/4in. HD SCREW Anchor 10CT, Model# 11441

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- Designed for heavy-duty applications in solid concrete, brick or hollow block
- Ideal anchor for heavy-duty installations
- More installation flexibility through closer edge/anchor spacing and easy removability
- More than 2x faster installation than wedge or sleeve anchors
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