S-BT Threaded Fastener Specification
Table Of Contents
- 1.1 Definition
- 1.2 The S-BT system
- 1.3 Fastening mechanism
- 1.4 S-BT system features and benefits – simplified fastening to steel
- 2.1 Grating fastening system
- 2.2 Grating fastening system X-FCS-R
- 2.3 S-BT with MM and MQ installation channel system
- 2.4 Fastening instrumentation, junction boxes and lighting
- 2.5 Fastening cable / conduit connectors
- 2.5 Fastening cable tray supports
- 2.7 Electrical connections
- 3.1 Product data
- 3.2 Load data
- 4.1 Instruction for use - S-BT-MF M6, M8, M10, W6, W10
- 4.2 Instruction for use - S-BT-MF M8/7 AN 6
- 4.3 Instruction for use - S-BT-MR M6, M8, M10, W6, W10 SN 6
- 4.4 Instruction for use - S-BT-MR M8/7 SN 6
- 4.5 Instruction for use - S-BT-MR M6, M8, M10, W6, W10 SN 6 AL
- 4.6 Instruction for use - S-BT-MR M8/7 SN 6 AL
- 4.7 Instruction for use - S-BT-GF M8/7 AN 6
- 4.8 Instruction for use - S-BT-GR M8/7 SN 6
- 4.9 Instruction for use - S-BT-GR M8/7 SN 6 AL
- 4.10 Instruction for use – S-BT-EF M6/W6/M8
- 4.11 Instruction for use – S-BT-EF M10/W10
- 4.12 Instruction for use – S-BT-ER M6/W6/M8
- 4.13 Instruction for use – S-BT-ER M10/W10
- 4.14 Instruction for use – S-BT-EF W10 HC AWG2/0 and S-BT-EF M10 HC 35/120
- 4.15 Instruction for use – S-BT-ER W10 HC AWG2/0 and S-BT-ER M10 HC 35/120
- 5.1 Nomenclature and symbols
- 5.2 Design concepts
- 5.3 Static capacity of the S-BT threaded stud
- 5.4 Vibration effects on S-BT threaded stud fastenings
- 5.5 Resistance of S-BT fastenings under dynamic tensile loading
- 5.6 Effect of S-BT threaded stud fastenings on the fatigue strength of base material structural steel
- 5.7 Influence of glue coatings on the loosening torque
- 5.8 S-BT-ER and S-BT-EF screw-in threaded studs for electrical connections
- 5.9.5 Conductivity disc of S-BT-ER / -EF electrical connectors
- 5.9.4 Stainless steel S-BT studs
- 5.9.3 Carbon steel S-BT studs
- 5.9.2 Galvanic (contact) corrosion
page 34 Specifications
3.2.12 Application limit and thickness of base material
Thebasematerialislimitedtosteelgradewithamaximumtensilestrength
f
u
=630MPa[91ksi].
Theminimumtensilestrengthofsteelisf
u
≥340MPa[49ksi].
Theminimumtensilestrengthofaluminumisf
u
≥270MPa[39ksi].
Minimumthicknessofbasematerialt
II
:refertosection3.2.8
Maximumthicknessofbasematerialt
II
:nolimits
3.2.13 Fastening quality assurance and fastening inspection
Verifystudstand-offh
NVS
withcalibrationcardS-CGBT
S-BT-______/7______6 h
NVS
=18.6mmto19.1mm[0.732"to0.752"]
S-BT-______/15_____6 h
NVS
=29.3mmto29.8mm[1.153"to1.173"]
h
NVS
Designandfunctionalityofthecheckgauge
S-CGBT
Base material tensile strength f
u
>03D@
>NVL@
S235
S275
S355
A, B, D, E, DS, CS
AH 32, DH 32, EH 32
AH 36, DH 36, EH 36
A572 Grade 50
A572 Grade 60
A572 Grade 65
Aluminum