The Allgrip Cup Square Head Bolt is used mainly in wood with a domed top and a square under the head. The square section grips into the part being fixed, preventing the bolt from turning when the nut is tightened. The bolt is manufactured to DIN 603-555 standard and comes with hexagonal nut supplied.
Manufactured to standard DIN603-555
Fully threaded up to 100mm
Supplied with hex nut