Tempat asal
Tianjin, China
Surface treatment
zinc, yellow zinc, gold/blue zinc
sample
available under 0.5kg freely
Head
T25/T30 Countersunk with rib, hex,pan, truss, csk
Key Words
self drilling screw concrete
Item
window concrete frame screws concrete screw countersunk head screws
Diameter
7.5mm 3.5mm~6.3mm
packing
100pcs/box carton,bulk packing