#6 x 12mm(1/2'')..Pan head Zn Pl screw. Thead Tapping Qty 100
Pan head Tapping Thread Robertson Steel Screws.
The Original /L Robertson Square drive screw with Zinc Finish.
Type A shhet metal threads for tapping into sheet metal,plastic or wood.
Sharp point for excellent material engagement and thread starting.
Variety of sizes and head styles.
HVAC & Plumbing.
Windows and Doors
PVC & Plastics
#1 is the driver bit size for #6 gauge screws.
This is a GREEN colour coded bit or hand driver.