Non-slip worm drive. Precision manufactured from the finest British steels to BS 5315. Passivated zinc finish to give double protection. For automotive, gas, plumbing and agricultural applications. | | Features and Benefits | • Slotted hex head 7mm A/F | • Non-slip worm drive | • Mild steel | • Passivated zinc plated | | Typical Applications | • Ideal for automotive, gas, plumbing and agricultural applications | | Standards Met | • DIN 3017