• Material: Carbon Steel

• Surface: Yellow zinc plated Cr3+, Blue/White/Clear zinc plated Cr3+ and others coating (Geomet, Ruspert, etc)

C4 / High SST & Kesternich Test requirements

• Head type: Countersunk head, Pan head, Double Flat head, Wafer head, Oval head, CSK with 4(6) ribs head, Index head washer head, Turss head,

• Drive Type: Phillips, POZI, Square, Torx, etc.

• Thread Type: 40/60 degree thread angle, Saw thread / Helical cutters (1-V) / Spiral thread / U thread / Evenly spaced millin thread / Straight tooth thread, Reverse thread, etc

• Others: Type 17 / Long cut, Double cuts / 4 cuts

• - With sharp point / type17 helps guide the screw into a precise location

• - Easy to drvie in

• - No pre drilling is required

• - Excellent quality