Use these original illustrations to describe the drive, head, point, thread and under-head features you need. Add dimensions, material, finish and application details, then confirm the final configuration against a drawing or sample. The illustrations are not to scale.
Using the guide
Compare the nine drive illustrations and twelve head illustrations as visual references. Labels follow the source material and may need clarification; the drawings do not establish dimensions, interchangeability or current availability.
Drive forms
Phillips
Torx
Pozi
Square
Phillips + Square
Slot
Phillips + Slot
Pozi + Slot
Square + Slot
Head forms
Pan
Round
Round washer
Hex washer
Flange
Flat / countersunk
Flat undercut
Double flat
Hex socket
Hex flange
Wafer
Framing
Under-head forms
The twelve under-head illustrations have no individual source names. Refer to a drawing by its row and position, and provide a sample or dimensioned drawing to confirm the geometry. No tooth count, angle or locking performance is established by these sketches.
Under-head pattern 01
Under-head pattern 02
Under-head pattern 03
Under-head pattern 04
Under-head pattern 05
Under-head pattern 06
Under-head pattern 07
Under-head pattern 08
Under-head pattern 09
Under-head pattern 10
Under-head pattern 11
Under-head pattern 12