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Water leak prevention washer-SBDW (nominal diameter: M3)
Water leak prevention washer-Azumaneji Co., Ltd.

Water leak prevention washer
Azumaneji Co., Ltd.


About This Product

■Water leak prevention washer

There are many cases in which the flexibility and adhesion of rubber are used to provide sealing or cushioning functions during fastening. However, since rubber alone cannot maintain its strength, a metal washer is required for backup and retention, which affects cost performance. This product has strong adhesive strength due to vulcanization welding of metal and rubber, so there is little rubber escaping during fastening, and the rubber gets caught up in the threaded part, maintaining high sealing performance, as well as providing anti-vibration and anti-loosening properties. It is expected to have a variety of functions such as vibration absorption, seat scratch prevention, and insulation. In conjunction with this product, Azuma Neji also offers water leakage prevention screws (nuts).

■Appropriate tightening torque (reference value)

Please note that this will vary depending on the actual fastener hole diameter, plate thickness, and bolt head diameter.

  • Product

    Water leak prevention washer

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1 Models of Water leak prevention washer

Image Part Number Price (excluding tax) Appropriate tightening torque Nominal diameter x outer diameter Proper tightening torque Bolt head diameter (mm) Proper tightening torque Bolt hole diameter (mm) Appropriate tightening torque type (B) (Nm) Appropriate tightening torque type (A) (Nm) Water pressure test results Tightening torque (Nm) Water pressure test results Leak location Water pressure test results Leakage pressure (MPa) Water pressure test results Nominal diameter x outer diameter Material (metal part) Material (rubber part) Representative part number
Water leak prevention washer-Part Number-SBDW (nominal diameter: M3)

SBDW (nominal diameter: M3)

Available upon quote

M3×9.5

5.5

3.3

1.47~1.96

0.98~1.47

0.98

Bolt neck bottom

4.79

M3×9.5

Stainless steel

Neoprene or EPDM

SBDW

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