#12 Flat Head Self-Tapping Square Drive Sheet Metal Screws. These are made from Stainless Steel 18-8 with a Type A point.
Note: screw listing photo for example only.
Thread Size: 11 TPI
Length: (measured overall length)
Drive: 3R Square Robertson
Material: Stainless Steel 18-8
Type : Sheet Metal Screw, Type A Self-Tapping
System of Measurement: Inch (Imperial / US)
Head Diam. (Max, Min): Max 0.412", Min 0.380"