Hex Heavy Bolts DIN 6914 Hexagon Hexagon Scalp Half Half Half (HV screws)

Exal Bolts Din 6914 Hexagonal Scalp Half Half Half (HV screws)

Hook Anchor Roll Bolt Roll screw

Hook Anchor Roll Bolt Roll screw

The handle bead in the Locked Slotted Nut

Any knob in the Locked Slotted Nut

Hex Bolt DIN 931 Half Half -Half -Half Scar