Dimension: 1/4-20x3"; Number of Teeth: 20; Rod Length(Include Neck): 3"; Total Length: 78mm / 3.07"; Head Dia: 14.5mm / 0.57"; Square Neck Width: 6.3mm / 0.25". Designed with a square neck and a Q235 carbon steel material. Not easy to slip when installed.. Due to the head, there is no groove type that can be used with a power assisting tool. It can also be hidden during actual use to prevent disassembly.. Precision-forged, acid and alkali resistant, corrosion-resistant and resistant to oxidation. The thread is smooth and flat, and the screw teeth are stronger.. Used widely in the home and office appliances, communication equipment, ship assembly, and other machinery industry..
