NEC Super Script 4400 Maintenance Manual page 127

Table 0-1:
Class Code Name of Screw
BT3X8 Cross recessed head
tapping screw
BT3X12
BT4X8
BT4X10
ST3X6 sS tight screqw
M4X6 Cross recessed head
tapping screw (pan Head)
SP3 Unique srew for heater
connector
F4X6 Cross recessed head
srew with flange
FST3X10 Cross recessed head
S tight screw with flange
M2X10 Cross recessed head
screw (Pan Head)
118 SuperScript 4400 — Maintenance Guide
Size and Shape of Screw
M-Thread
Length
TS
T3 8mm
T3 10mm
T4 6mm
T4 8mm
T4 10mm
ST 6mm
M4 6mm
M3 10mm
F4 6mm
FST 10mm
M2 10mm
Remarks
Sharp
Used for
installation of
plastic parts
Used for
installation of
parts to steel
plate.
Used for
flame and
GND.
For fuser
connector.
4
10
For fuser
unit.
For fuser
unit.
For fuser
unit.