
SCREW TYPE /
Head Recess / Screw Head Types / Thread / Points / Screw Under Head Styles

HEAD RECESS
PHILLIPS
6-LOBES
POZI
SLOT
PHILLIPS+SLOT
POZI+SLOT
SQUARE
PHILLIPS+SQUARE
SQUARE+SLOT

SCREW HEAD TYPES
PAN
ROUND
ROUND WASHER
TRUSS
FLANGE(BS4174)
FLAT
FLAT UNDERCUT
DOUBLE FLAT
FILLISTER
OVAL
OVAL UNDERCUT
HEX WASHER
IND. HEX
HEX FLANGE
WAFER
PAN FRAMING
THIN WAFER
THIN WAFER
BINDING
CHEESE
MODIFIED TRUSS
BUTTON
BUGLE
DOUBLE BUGLE

THREAD
TYPE AB
TYPE B
PE BP
TYPE BF
TYPE BT(TYPE 25)
TYPE C
TYPE D
TYPE F
TYPE T (TYPE 23)
TYPE A
TYPE U
PARTICLE BOARD THREAD
UMBRELLA
HI-LOW
COARSE
TWIN FAST
FINE THREAD
PLASTIC THREAD
CHIPBOARD THREAD

POINTS
DRILL POINT
Z POINT
REDUCED DRILL POINT
DRILL POINT WINGTEK
CUP POINT
DOG POINT
DRILLING NAIL POINT
UMBRELLA THREAD NAIL POINT
SPOON POINT

SCREW UNDER HEAD STYLES
1.LOCKING SERRATIONS


2.TORQUE SERRATIONS


3.HORN MOON




4.NIBS


6.DOUBLE LOCKING SERRATIONS

5.SPECIAL SERRATIONS


7.DOUBLE TORQUE SERRTIONS


