To Thicker Metal - Drywall Screw T3 3.9x 30mm #7 x Q:800
Code:T1B040
Barcode:6002919137840
Ideal to install drywall to 3mm-4mm metal frame.
Black phosphate coating for some corrosion resistance.
For interior use only.
Install with lower torque setting on drill to prevent pull through.
Use a size 2 phillips bit.
For high volume users; use a drywall bit for easier installation.
Caution: the smaller head could pull through ceiling board more easily.
Can be used with a variety of materials such as plastic or soft metal that need to be installed into a thick metal structure (> 3mm thick metal)
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