CSK Screw*
4.2 x 20 CSK screw @ 260 per pkt
4.2 x 25 csk screw @ 2800 per pkt
4.2 x 38 csk screw @ 340 per pkt
4.2 x 50 csk Screw @ 520 per pkt
4.2 x 60 csk screw @ 540 per pkt
These are C.s.k (countersunk) self-tapping screws designed for metal applications, featuring a flat head and cross-drill point.The box contains various sizes, specifically mentioning 4.2mm diameter options such as 4.2x25 and 4.2x50.They are constructed from stainless steel or carbon steel with a zinc coating for enhanced durability.