S-BT Threaded Fastener Specification

Specifications page 13
S-BT Screw-in threaded studs
Fastener selection
Designation
Fastener height H
[mm/in.]
Grating height h,
range[mm/in.]
X-FCS-R-3-2531/35 30.5/1.20 31-35/1.22-1.38
X-FCS-R-3-2537/41 36.5/1.44 37-41/1.46-1.61
X-FCS-R-4-2531/35 30.5/1.20 31-35/1.22-1.38
X-FCS-R-4-2537/41 36.5/1.44 37-41/1.46-1.61
30
22
38
22
82
H
wtt
h
X-FCS-R-3-25 grating fastener
38
22
82
22
H
X-FCS-R-4-25 grating fastener
X-FCS-R-3-25forrectangulargratings
X-FCS-R-4-25forsquaregratings
2.2 Grating fastening system X-FCS-R
X-FCS-R grating fastener for use with S-BT-GR M8/7
TheX-FCS-Rsystemisafasteningsystemforgratingfasteningwithtensileand
shearresistancecapability(shearrelevantzones).
X-FCS-R-4-25 grating fastener
Important:TheX-FCS-Rsystemissuitableforrectangulargratingsand
squaregratingswithabarspacingw=25mm[0.98"]andbarthickness
t=5mm[0.20"].
Tightening torque X-FCM, X-FCM NG discs and X-FCS-R
grating fastener
T
rec
=max.8Nm
T
rec
=max.5Nm
1)
1)
–forX-FCM-MNG
 –forS-BT-GRM8/7SN6andS-BT-GFM8/7AN6insteelbase
materialwiththickness3mm≤t
II
<5mm(drillthroughhole)
 –forS-BT-GRM8/7SN6ALinaluminiumbasematerial