Material: Specific hardened steel or stainless steel SUS410 (new product).
Head type: Flat (Soket phillip No.2)
Thread diameter: #8 gauge (4.2 mm).
Thread type: Full thread or half thread.
Washer: No.
Drill capacity: Max 2.5 mm.
Finish: Apply Hi-tech coating technology to effectively corossion resistant more than the orther traditional silver coating screws. In addition, KOKEN also provides SUS410 stainless steel screws.