Product name
self tapping screw, wood screw
Material
Carbon steel c1022a, Stainless steel
Thread size
3.5mm, 3.8mm, 4.2mm, 4.8mm, 5.5mm, 6.3mm
Finish
Zinc plated, Blue zinc, yellow zic
Surface treatment
Galvanized
Washer
EPDM rubber washer, Steel EPDM bonded washer, PVC washer