#4 x 12mm(1/2'')..Flat head Brass screw with tapping thread Qty 100
Flat Head Solid Brass wood screws
Square drive screw with clear finish.
Tapping threads with minimum body diameter and less material displacement and greatest holding strength in soft materials such as softwood.
Sharp thread angles and sharp point offer excellent penetration and thread engagement after first revolution.
Good all around good screw –many
Kitchen & Bath Cabinet
Window & Doors
#0 is the driver bit size for #4 gauge screws
This is a Yellow colour coded bit or hand driver.