![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
![Numatic (Henry) Vacuum Cleaner Long Torx Pan Plastite Screw Size No. 8,1" - Part Number 291082 | Ransom Spares Numatic (Henry) Vacuum Cleaner Long Torx Pan Plastite Screw Size No. 8,1" - Part Number 291082 | Ransom Spares](http://siteassets.ransomspares.co.uk/Products/gf3st5jt638052405797119580.jpg)
Numatic (Henry) Vacuum Cleaner Long Torx Pan Plastite Screw Size No. 8,1" - Part Number 291082 | Ransom Spares
Is there a chart showing the proper pilot hole for sheet metal screws? I know, or think I know, 1/8' for a #8 screw, but what about #4, #6,#10, #12? - Quora
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