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08/2018 

209

www.hilti.group

S-BT-ER, S-BT-EF

S-BT-ER and S-BT-EF screw-in stainless steel and carbon 

steel threaded studs for electrical connections 

Dimensions

Product data

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

S-BT-ER M8/15 SN 6

S-BT-EF M8/15 AN 6

General information

Material specifications

À

  Threaded shank: 

Stainless steel 

(S-BT-ER)

   

“S 31803 (1.4462)”

  

zinc-coated

Á 

Threaded shank: 

Carbon steel 

(S-BT-EF)

   

“1038 / duplex-coated”

 

SN12-R washers: 

Ø 12 mm [0.47”]

   

Stainless steel 

(S-BT-ER)

   

“S 31603 (1.4404)”

à

AN10-F washers: 

Ø 10 mm [0.39”]

  

Aluminum 

(S-BT-EF)

Ä

  Nut: 

Stainless steel 

(S-BT-ER)

   

grade A4 / AISI 316 material

Å 

Nut: 

Carbon steel 

(S-BT-EF) 

  

HDG

Æ 

Lock washer: 

Stainless steel 

(S-BT-ER)

   

grade A4 / AISI 316 material

Ç 

Lock washer: 

Carbon steel 

(S-BT-EF)

  

HDG

È 

Conductivity disc: 

Ø 22 mm [0.866”]

   

(HC 35/AWG2)

  

Copper alloy CuSn8 

  

(tin-coated) 

with sealing ring

É 

Conductivity disc: 

Ø 32 mm [1.260”]

   

(HC 120/AWG4/0)

  

Copper alloy CuSn8 

  

(tin-coated) 

with sealing ring

Sealing ring of 

sealing washers: 

Chloroprene rubber CR  

   

3.1107, black, resistant to  

   

UV, salt water, water, ozone,  

   

oils etc.

Conductivity discs: 

Resistant to UV, salt water,

   

water, ozone, atmospheric  

   

conditions etc.

Drilling tool, setting tool, accessories and 
inserts

Refer to section 

“Fastener selection and system 

recommendation”

 for more details.

Reports and type approvals

27.75 [1.1"]

33.9 [1.33"]

2

1 or

4

3 or

or

M10/W1

0

Ø

 

5.

8

[0.23

"]

Ø

 

10/1

2

[0.39/0.47"

]

5

[0.197"]

5

[0.197"]

2.4 

[0.094"]

6

5

or 6

5

or 8

7

27.75

[1.1"]

33.9

[1.33"]

M8

Ø

 

5.

8

[0.23"

]

Ø

 

10/12

[0.39/0.47"

]

2

1 or

4

3 or

4

[0.158"]

4

[0.158"]

[0.079"]

or 6

5

or 6

5

or 8

7

S-BT-ER M10 HC 35*)

S-BT-ER W10 HC AWG2*)

S-BT-ER M10 HC 120

S-BT-ER W10 HC AWG4/0

S-BT-EF M10 HC 35*)

S-BT-EF W10 HC AWG2*)

S-BT-EF M10 HC 120

S-BT-EF W10 HC AWG4/0

*) this items are available only on special request

27.75 [1.1"]

33.9 [1.33"]

2

1 or

4

3 or

or

M10/W1

0

Ø

 

5.

8

[0.23"

]

Ø

 

10/12

[0.39/0.47"

]

Ø

 

22/32

[0.866/1.260

"]

5

[0.197"]

4

[0.157"]

2.4 

[0.094"]

6

5

or 10

9

or 8

7

Summary of Contents for S-BT-EF

Page 1: ...ith sealing ring É Conductivity disc Ø 32 mm 1 260 HC 120 AWG4 0 Copper alloy CuSn8 tin coated with sealing ring Sealing ring of sealing washers Chloroprene rubber CR 3 1107 black resistant to UV salt water water ozone oils etc Conductivity discs Resistant to UV salt water water ozone atmospheric conditions etc Drilling tool setting tool accessories and inserts Refer to section Fastener selection ...

Page 2: ...AWG copper tested permanent current Ith 57 A 35 mm 2 AWG copper tested permanent current Ith 125 A 120 mm 4 0 AWG copper tested permanent current Ith 269 A Fastening of thicker cable is acceptable if the maximum allowable permanent current Ith is not exceeded and the provisions on cable lug thickness tcl are observed Recommended electrical connectors S BT ER M10 15 SN 6 S BT ER W10 15 SN 6 S BT EF...

Page 3: ...w 10 10 kA for 9 s Fastening of thicker cable is acceptable if the maximum short circuit current Icw and the exposure time is not exceeded and the provisions on cable lug thickness tcl are observed Recommended electrical connectors 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 S BT ER M8 15 SN 6 S BT EF M8 15 AN 6 S BT ER M10 HC 35 S BT ER W10 HC AWG2 S BT EF M10 ...

Page 4: ...Recommended electrical connectors S BT ER M10 HC 35 S BT ER W10 HC AWG2 S BT EF M10 HC 35 S BT EF W10 HC AWG2 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 Maximum lightning current Iimp 50 kA for 5 ms according to IEC 62561 1 Iimp 100 kA for 5 ms according to IEC 62561 1 Note Recommended maximal cross section of connected cable according IEC 60947 7 2 and IEC 6...

Page 5: ... ER EF is used in class H applications only type B cable connection is allowed Tightening torque of 8 Nm must be observed accurately for type B cable connection Application Requirements Base material thickness tII 6 mm Thickness of base material corrosion protection layer 0 8 mm 0 0315 For single point connection type B conductivity disc must be in direct contact with non coated base material t ll...

Page 6: ...le point connector Type A Type B Type A 7mm 7mm Fastener Single point connector Type B tcl mm d2 mm S BT ER M10 HC 35 12 10 5 S BT ER W10 HC AWG2 12 10 5 S BT EF M10 HC 35 12 10 5 S BT EF W10 HC AWG2 12 10 5 S BT ER M10 HC 120 12 10 5 S BT ER W10 HC AWG4 0 12 10 5 S BT EF M10 HC 120 12 10 5 S BT EF W10 HC AWG4 0 12 10 5 ...

Page 7: ... temperature range the S BT studs may fail Note The service temperature range of the connected cable lugs and cables has to be observed For details please contact the supplier of the cable lugs and cables When using Hilti S BT fasteners in combination with fire rated boundaries in Shipbuilding facilities the max service temperature for a period of 60 minutes is higher For more details refer to sec...

Page 8: ...wed in into the base material The coating of the carbon steel S BT EF fasteners consists of an electroplated Zn alloy for cathodic protection and a top coat for chemical resistance Duplex coating The thickness of the coating is 35 µm This product is designed for use in corrosive categories C1 C2 and C3 according the standard EN ISO 9223 The conductivity disc of the S BT ER EF HC is made from coppe...

Page 9: ... Corrosivity category C Corrosion resistance class CRC C1 C2 C3 CRC III IV Base material thickness tII 1 6 mm 0 24 tII 7 mm 0 28 Pilot drill may cause damage to backside coating 2 tII 7 mm 0 28 Pilot drill will not affect backside of base material The base material is limited to steel grade with a maximum tensile strength fu 630 MPa 91 ksi The minimum tensile strength of steel is fu 340 MPa 49 ksi...

Page 10: ...rification of the correct stud stand off the S CG BT check gauge can be used 6 7 D E F 6 7 76 7 6 6 6 7 0 RQJ 6 7 0 RQJ 6 7 0 RQJ 6 7 D 6 16 ö 0 6 16 ö 6 16 ö 0 6 16 ö 0 6 16 ö PP õ PP PP PP 7RUTXH WRRO 7 õ 1P IW OE 6 7 0 0 1 6 7 0 1 6 7 0 0 1 6 7 0 0 1 6 7 0 1 E 6 6 6 6 7 0 0 6 7 0 D E H QXW ZLWK IODQJH 0 H QXW ZLWK IODQJH H QXW ZLWK IODQJH 0 H QXW ZLWK IODQJH 0 H QXW ZLWK IODQJH 6 7 0 RQJ 6 7 0 ...

Page 11: ...rd for calibration of the depth gauge for S BT ER M10 HC ___ S BT ER W10 HC ___ S BT EF M10 HC ___ S BT EF W10 HC ___ S CG BT 15 Long 6 Check gauge for verification of the stand off for S BT ER and S BT EF S CG BT HC Check gauge for verification of the stand off for S BT ER M10 HC ___ S BT ER W10 HC ___ S BT EF M10 HC ___ S BT EF W10 HC ___ Fastening inspection S BT ER M10 15 SN 6 S BT ER W10 15 S...

Page 12: ... type B Lock washer Cable lug Coated base material Conductivity disc Uncoated base material Nut Sealing ring For Type B cable connection the following requirements have to be observed The conductivity disc must be in direct contact with the non coated base material Coating has to be removed with the coating removal drill bit Tightening torque of 8 Nm must be observed accurately ...

Page 13: ...pe B The tightening torque is 8 Nm Exceeding or falling below this tightening torque value is not allowed Tighten the nut using torque tool X BT 8 Nm torque wrench or Hilti screw driver SBT 4 A22 SFC 18 A SFC 22 A torque setting 5 with socket S NS Important These are abbreviated instructions which may vary by application ALWAYS review follow the instructions for use IFU accompanying the product Do...

Page 14: ...d S BT EF M10 HC 35 2204930 Threaded stud package includes nuts lock washers and conductor discs Electrical connection S BT EF W10 HC AWG2 2204931 Threaded stud S BT EF M10 HC 120 2204932 Threaded stud S BT EF W10 HC AWG4 0 2206612 Threaded stud TS BT 5 5 74 S 2143137 Stepped drill bit for base material steel TS BT 15 74 S 2204935 Coating removal drill bit for removal of the coating from the base ...

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