Part and Head Type Identifier
BUTTON HEAD SOCKET CAP
BHSC
Prefix: BU (INCH), MBU
(METRIC)
SOCKET HEAD CAP
SHC
Prefix: C (INCH), MC
(METRIC)
FLAT HEAD PHILLIPS
FHP
Prefix: F (INCH), MF
(METRIC)
FLAT HEAD SOCKET CAP
FHSC
Prefix: FA (INCH), MFA
(METRIC)
FILLISTER SLOTTED
FLSTR
Prefix: FL (INCH), NO METRIC
PREFIX
FLAT HEAD SLOTTED
FHS
Prefix: FS (INCH), MFS
(METRIC)
HEX HEAD
HXH
Prefix: H (INCH), MH
(METRIC)
PAN HEAD PHILLIPS
PHP
Prefix: P (INCH), MP
(METRIC)
PAN HEAD SLOTTED
PHS
Prefix: PS (INCH), MPS
(METRIC)
SOCKET CAP SHOULDER
SCSHLDR
Prefix: SHCV (INCH), SHCV-
MSB2 (METRIC)
SOCKET SET SCREW W/ CUP POINT SCSTCPT
Prefix: T (INCH), MT
(METRIC)
TWELVE POINT
12PT
Prefix: TWP (INCH), MTWP
(METRIC)
CHEESE HEAD SLOTTED
CHS
Prefix: MES (METRIC)
FLAT WASHER
WSHR, FL
Prefix: WF (INCH), MFW
(METRIC)
VENTED FLAT WASHER
WSHR, FL, VNT
Prefix: WFV (INCH), MFWV
(METRIC)
SPLIT LOCK WASHER
WSHR, SLK
Prefix: WL (INCH), MLW (METRIC)
HEX NUT
NUT, HEX
Prefix: N (INCH), MN (METRIC)
FINISH OPTIONS:
Kolsterising®
-KOL (vented)/-N-KOL (not vented)
MoS2 Coated
-C (vented)/-NC (not vented)
Silver Plated
-A (vented)/-NA (not vented)
Gold Plated
-AU (vented)/-NAU (not vented)
Nickel Plated
-K (vented)/-NK (not vented)
WS2 Coated
-W (vented)/-NW (not vented)
Electropolished
-EP (vented)/-NEP (not vented)
Please download a copy of this part and head type identifier page for easy reference:
As a manufacturer of precision-grade screws we give engineers more flexibility to choose the head type, shoulder length, thread length, and any other variable that would best fit their application.