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Tapcon 3/16" x 1-3/4" Star Torx Head Concrete Anchor Screws 3171407V2 | 100 Pack | Drill Bit Included: Amazon.com: Industrial & Scientific
![wood - When pre-drilling for screws, how do you determine the correct bit diameter? - Home Improvement Stack Exchange wood - When pre-drilling for screws, how do you determine the correct bit diameter? - Home Improvement Stack Exchange](https://i.stack.imgur.com/VOtay.png)
wood - When pre-drilling for screws, how do you determine the correct bit diameter? - Home Improvement Stack Exchange
![wood - When pre-drilling for screws, how do you determine the correct bit diameter? - Home Improvement Stack Exchange wood - When pre-drilling for screws, how do you determine the correct bit diameter? - Home Improvement Stack Exchange](https://i.stack.imgur.com/4n67A.jpg)