![No.8 (4.2mm) x 1/2 inch (13mm) Pozi Self Tapping Pan Head Screws (DIN 7981C Z) - A2 Stainless Steel: Accu.co.uk: Precision Screw No.8 (4.2mm) x 1/2 inch (13mm) Pozi Self Tapping Pan Head Screws (DIN 7981C Z) - A2 Stainless Steel: Accu.co.uk: Precision Screw](https://i.accu.co.uk/360/_APC/SPPT-A2/0_8.png?scale.option=fill&w=400&h=0&q=90)
No.8 (4.2mm) x 1/2 inch (13mm) Pozi Self Tapping Pan Head Screws (DIN 7981C Z) - A2 Stainless Steel: Accu.co.uk: Precision Screw
What size drill bit would I use to drill hole to then to a 1/4' tap to make threads? Would I be using a 1/4 drill bit or is a 7/32' better
![Mild Steel Full Thread Csk Phillips Screw - 8x19 - Self Tapping Sheet Metal Screw, Size: 8*19 at Rs 178/box in Chandigarh Mild Steel Full Thread Csk Phillips Screw - 8x19 - Self Tapping Sheet Metal Screw, Size: 8*19 at Rs 178/box in Chandigarh](http://5.imimg.com/data5/SELLER/Default/2021/11/GV/NO/NQ/121605294/new-product-500x500.jpeg)
Mild Steel Full Thread Csk Phillips Screw - 8x19 - Self Tapping Sheet Metal Screw, Size: 8*19 at Rs 178/box in Chandigarh
![No.8 (4.2mm) x 1 inch (25.5mm) Pozi Self Tapping Countersunk Screws (DIN 7982C Z) - A2 Stainless Steel: Accu.co.uk: Precision Sc No.8 (4.2mm) x 1 inch (25.5mm) Pozi Self Tapping Countersunk Screws (DIN 7982C Z) - A2 Stainless Steel: Accu.co.uk: Precision Sc](https://i.accu.co.uk/360/_APC/SPKT-A2/0_14.png?scale.option=fill&w=400&h=0&q=90)
No.8 (4.2mm) x 1 inch (25.5mm) Pozi Self Tapping Countersunk Screws (DIN 7982C Z) - A2 Stainless Steel: Accu.co.uk: Precision Sc
![No.16 (8mm) x 1 inch (25.5mm) Self Tapping Hexagon Bolts (DIN 7976C) - A2 Stainless Steel: Accu.co.uk: Precision Screws No.16 (8mm) x 1 inch (25.5mm) Self Tapping Hexagon Bolts (DIN 7976C) - A2 Stainless Steel: Accu.co.uk: Precision Screws](https://i.accu.co.uk/360/_APC/SEBT-A2/0_20.png?scale.option=fill&w=400&h=0&q=90)
No.16 (8mm) x 1 inch (25.5mm) Self Tapping Hexagon Bolts (DIN 7976C) - A2 Stainless Steel: Accu.co.uk: Precision Screws
![drilling - What size pilot hole should I drill for for a specific size of screw? - Woodworking Stack Exchange drilling - What size pilot hole should I drill for for a specific size of screw? - Woodworking Stack Exchange](https://i.stack.imgur.com/BDB7R.jpg)