Standardisation Slotted Heads

Inside Circlips - Outside Circlips	Torx® Heads
Hexagon Heads	Slotted Heads
Hexagon Socket Heads	Phillips® Heads & Pozidriv® Heads

SLOTTED HEADS - RELATIONSHIP SCREW DIAMETER/SLOT SIZE

ENGINEERING SCREWS

SELF-TAPPING SCREWS

WOOD SCREWS