Standardisation Slotted Heads

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

PHILLIPS® AND POZIDRIV® HEADS - RELATIONSHIP SCREW DIAMETER/PATTERN SIZE

ENGINEERING SCREWS

SELF-TAPPING SCREWS

WOOD SCREWS