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Tapcon 3/16" x 2-1/4" Star Torx Head Concrete Anchor Screws 3173407V2 | 100 Pack | Drill Bit Included - Walmart.com
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Velocity Concrete Screw Kit with RedSeal Moisture Barrier – Includes 12 High-Performance Concrete Screws, 1 Drill Bit, and 1 Driver Bit (Flat Head, Size 1/4” x 2 1/4”): Amazon.com: Industrial & Scientific
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