Description
A single thread woodscrew with a black corrosion resistant coating designed to withstand over 500 hours salt spray. Ideal for use with black and black antique ironmongery.
Thread Dia. mm=4
Length mm=30
Thread Length mm=25
Head Type=Double Countersunk
Recess Type=Pozi
Point Type=25° Sharp
Driver Bit Size=PZ2
Finish=Exterior (Black Organic)
Material=Carbon Steel
CE Marked
Double countersunk reduces the likelihood of head shear and assists completion of countersinking
40° deep single thread to provide a secure fixing with high pull-out resistance
25° sharp point and single lead for a fast start and improved thread acceptance
