Harrison M250 - Page 68

58
St anda rd / Propri etary Parts
'Bracketed'
Letter Code
Screws and Nuts
FX
FXd
FXdl
FXc
FXw
FY
FYl
FV
FS
FU
FP
FPS
FO
FT
FI
FR
FE
FJ
FH
FD
FN
FL
FZ
FW
DN
CN
FNl
Thread Inserts
Tll
Tl2
Washers
WN
WL
WK
ws
WSs
we
WF
OS
Component
Socket Set (Grub) Screw: Flat Point
Socket Head Cap Screw
Dog Point (Normal)
Dog Point (Long)
Cone Point
Cup, knurled or 'W' Point
Socket Head Cap Screw (Threaded to Head)
Socket Countersunk
Screw
Socket Button Head Screw
Socket Shoulder Screw
Socket Pressure Plug
Press Plug ( Square Head)
Slotted
Set ( Grub) Screw
Slotted or Pozidriv Screw: Countersunk Head
Raised
Cl sunk Head
Pan H
ead
Cheese Head
Suffix '8' for Thread Forming Type
Suffix 'T' for Thread Cutting Type
Suffi; 'SS' for Stainless Stee l
Squarr1 Head
(Toolpostl Screw
hexage,n Head Screw
Bolt
Standard Hexagon Nut
.. Locknut
Suffix '8.8' for High Tens~e Types
Suffix 'L' for 'Self - Locking' versions of the above
Hammer Drive.Screw
Wing Nut
Domed Nut
Castle of Slotted Type Nut
Nylon Ring Locking Nut
I Press in Type Thread Insert
Coil
Type Thread Insert
Bright Washer: Normal Diameter
Large
Diameter
Crinkle (Wavy) Washer
Spring Washer: Single Coil
Double Coil
Folded Copper Sealing
Washer
Felt Washer
Disc Spring ( Belleville Washed
Lette r Codes
Co n ventiona l
Desc r iption Given
Thread X O/all Length
Thread X
Length under head
Thread X 0
Shank X Shank length
Thread and Form
Thread X O/all Length
Thread X length under head
Thread X Length under head
Thread X
Length under head
Norn 0 X Length under head
Thread details
Thread details
Thread details
Nominal
Hole 0
Norn. Hole 0 X O.O.X thickness