S-BT Threaded Fastener Specification

Specifications page19
S-BT Screw-in threaded studs
2.8 Electrical connections
Protectivebondingcircuit–Double
point connection
Functionalandprotectivebondingof
pipes
*)
(outerdiameterofinstalled
surface≥150mm)
Stainless steel
S-BT-ER
Carbon steel
S-BT-EF
Threadedshank ①StainlesssteelS31803,
AISI318LN,(1.4462)
zinc-coated
②Carbonsteel
1038
duplex-coated
Washer ③SN12-R
Ø12mm[0.47"]
Stainless steel
④AN10-F
Ø10mm[0.39"]
Aluminum
S31603,AISI316L,(1.4404)
Nut ⑤Stainlesssteel
grade A4 -
AISI 316 material
⑥Carbonsteel
HDG
LockWasher ⑦Stainlesssteel
grade A4 -
AISI 316 material
⑧Carbonsteel
HDG
Conductivitydiscs ⑨Ø32mm[1.260"](HC120/AWG4/0)
CopperalloyCuSn8(tin-coated)withsealingring
Sealing ring of
sealingwasher
ChloroprenerubberCR3.1107
black,resistanttoUV,saltwater,water,ozone,oils,
etc.
Conductivitydiscs FKM,resistanttoUV,salt,water,water,ozone,oils,
etc.
Fastener
S-BT-ERM10/15SN6
S-BT-ERW10/15SN6
S-BT-EFM10/15AN6
S-BT-EFW10/15AN6
27.75
[
1.1"
]
33.9
[
1.33"
]
21or 43or
or
M10/W10
Ø
5.8
[
0.23"
]
Ø
10/12
[
0.39/0.47"
]
5
[
0.197"
]
5
[
0.197"
]
2.4
[
0.094"
]
65
or
6
5
or
8
7
S-BT-ERM8/15SN6
S-BT-ERM8/15AN6
27.75
[
1.1"
]
33.9
[
1.33"
]
M8
Ø
5.8
[
0.23"
]
Ø
10/12
[
0.39/0.47"
]
21or 43or
4
[
0.158"
]
4
[
0.158"
]
2
[
0.079"
]
or
6
5
or
6
5
or
8
7
S-BT-ERM10HC120
S-BT-ERW10HCAWG4/0
S-BT-EFM10HC120
S-BT-EFW10HCAWG4/0
27.75
[
1.1"
]
33.9
[
1.33"
]
21or 43or
or
M10/W10
Ø
5.8
[
0.23"
]
Ø
10/12
[
0.39/0.47"
]
Ø
32
[
1.260"
]
5
[
0.197"
]
4
[
0.157"
]
2.4
[
0.094"
]
65
9
or
8
7
Pleaserefertosection5.9.1foradditionaltechnicalinformationwithregardstothe
effectofS-BT-ER/S-BT-EFfastenersonintegrityofpipeange.
*)
only for Type A cable connections