Fastener Head Styles
Fastener Head Styles
There are many different head styles available, the names of which are used in the HEAD field. The table below shows the available head types. The tables that follow show drive and point options available for certain head types.
|
Head Name |
Description |
|
SQR |
Square Head (Cube) |
|
HEX |
Hex Bolt Head (Hexagon) |
|
HEXFIN |
Hex Screw Head (Hexagon with Washer Face) |
|
HEXFLNG |
Hex Flange (Hexagon with Flange) |
|
HEXSLT |
Slotted Hex |
|
HEXWSHL |
Slotted Hex Washer |
|
RND |
Round Head (Partial Sphere) |
|
RNDSLT |
Slotted Round Head |
|
RNDSQR |
Round Head, Square Neck (Partial Sphere with Square Cube) |
|
FLAT |
Countersunk Flat Head, no slot |
|
FLATSLT |
Slotted Countersunk Flat Head |
|
OVALSLT |
Slotted Oval Head (Combo Flat Csk and Round) |
|
OVALCRS |
Cross Recessed Oval Head (Phillips Head) |
|
FLSTRSLT |
Slotted Fillister Head |
|
FLSTRCRS |
Cross Recessed Fillister Head |
|
PANSLT |
Slotted Pan Head |
|
PANCRS |
Cross Recessed Pan Head |
|
TRUSSSLT |
Slotted Truss Head |
|
TRUSSCRS |
Cross Recessed Truss Head |
|
BINDSLT |
Slotted Binding Head |
|
BINDCRS |
Cross Recessed Binding Head |
|
BTN* |
Button Head (Socket) |
|
FLAT* |
Socket Head Flat Countersunk |
|
CAP* |
Socket Head (Socket Head Cap Screw) |
|
SHLDR* |
Socket Head Shoulder Screw |
|
SET*† |
Socket Set Screw |
|
NTHSLT |
Slotted Hex Nut |
|
NTHWSLT |
Slotted Hex Washer Faced Nut |
|
NTWHEX |
Washer Faced Hex |
|
NTSMS |
Machine Screw Square Nut |
|
WLKHELI |
Helical Spring Lock Washer |
|
WASHCLIP |
Clipped Plain Washer |
|
WASHPLN |
Plain Washer |
|
PIN† |
Pin Head (Chamfered Cylinder) |
|
CROWN† |
Crown Head for Dowel Pin |
|
NONE† |
Used if no head is needed |
|
FLATCRS |
Cross Recessed CSK Flat Head |
|
NTSC |
Self Clinching Nut |
Head TypesTable *Add Letter for Drive option (if desired).† Add Letter for Point option (if desired).
|
Drive Letter |
Description |
|
C |
Cross Recess (Phillips) |
|
H |
Hex |
|
S |
Six (6) Tooth Spline |
|
T |
Torx |
Drives Table (Used as Suffix on end of Head name; Socket Screws only)<
|
Point Letter |
Description |
|
D |
Dowel Point (Rounded Corners) |
|
O |
Oval Point (Partial Sphere) |
|
P |
Cup Point (Cone minus cone) |
|
C |
Cone Point |
|
F |
Flat Point (Chamfered Cylinder) |
|
G |
Dog Point (Cone and Cylinder) |
Points Table (Used as Suffix on end of Head name; Socket Set Screws and Pins only)
|
Shaft |
Description |
|
AB |
Spaced Shaft w/ Type AB Tapping Screw Point |
|
B |
Spaced Shaft w/ Type B Tapping Screw Point |
|
BP |
Spaced Shaft w/ Type BP Tapping Screw Point |
|
BF |
Spaced Shaft w/ Type BF Tapping Screw Point |
|
D |
Normal Shaft w/ Type D Tapping Screw Point |
Tapping Screw Shaft Types Table (Shows the shaft types available for tapping screws only.)