Parafusos de cabeça sextavada M5-0.8 x 16mm | Classe 8.8 Aço Zincado amarelo | Totalmente roscado (800/un.)

I was pleasantly surprised by the consistent thread quality across all 800 pieces—no binding or burrs when driving them into steel. They hold firm under moderate torque, and the yellow zinc coating seems durable enough for workshop use. Just what I needed for mounting brackets without worrying about

The hex head on these M5 screws grabbed my wrench perfectly, no slipping like with some cheaper fasteners. I used about 200 of them to rebuild a small conveyor section, and the class 8.8 steel held up well under moderate torque. For the price per piece in this 800-count pack, it’s a solid deal for i

Bought these for a small assembly job and the 16mm length was exactly what I needed under the hex head for clearance. The yellow zinc coating looks uniform across all 800 pieces, though the bag is heavy enough to need two hands. Class 8.8 feels solid when torquing down with a wrench, so I'll be orde