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Concrete screw W-BS 2/A4 type I with M8/M10 internal thread
Concrete screw W-BS 2/A4 type I with M8/M10 internal thread - 1
Concrete screw W-BS 2/A4 type I with M8/M10 internal thread - 2
Concrete screw W-BS 2/A4 type I with M8/M10 internal thread - 3
Concrete screw W-BS 2/A4 type I with M8/M10 internal thread - 4
Concrete screw W-BS 2/A4 type I with M8/M10 internal thread - 5

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Concrete screw W-BS 2/A4 type I with M8/M10 internal thread

High working loads with easy assembly and installation. Ideal for fastening facilities for proper building function in open buildings or outdoors.

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Variants

  • With combination sleeve, internal thread M8/M10

  • Made from A4 stainless steel

  • The fastest type of fastening for medium to heavy loads, especially for installations involving technical building equipment

  • Less drilling and installation effort

  • The new thread geometry ensures smooth screwing into concrete and thus greater efficiency during assembly

  • Smallest axis and edge distances due to very low expansion effect

  • Broad range of applications
Proof of Performance

European Technical Assessment ETA-22/0123 for individual fixing point, option 1, cracked and uncracked concrete:


  • Static and quasi-static action (dia. 6)

  • Seismic action, performance category C1 (dia. 6)

  • Fire resistance R30, R60, R90, R120
Notice

When installing with a tangential impact driver, the recommended maximum rated torque must be observed. When used outdoors, the drill hole can be sealed with WIT-BS injectable mortar.

Application area
Pipe suspensions

Create the drill hole

Place screw

Screw in the screw

Considered installed when the head is close fitting

European Technical Assessment ETA-22/0123 for individual fixing point, option 1, cracked and uncracked concrete:


  • Static and quasi-static action (dia. 6)

  • Seismic action, performance category C1 (dia. 6)

  • Fire resistance R30, R60, R90, R120