Description

Rubber Well Nuts

Please select your requirements from the drop down lists above 

  • Rubber well nuts with threaded brass insert
  • Comprise of a flanged rubber sleeve with captive brass nut.
  • Offer excellent electrical isolation & vibration resistance.
  • No special tools required. 
  • Simply insert a bolt and tighten to expand the sleeve.
  • Ideal for fixing to cavity walls & hollow blocks.
  • Can be used with any type of bolt.
  • Free 1st class shipping

    M3 thread size will fit into an 8mm hole.
    M4 thread size will fit into an 8mm hole
    M5 thread size will fit into an 9.5mm hole
    M6 thread size will fit into an 12.5mm hole
    M8 thread size will fit into an 16mm hole
Size (mmPitch (mm)Length (mm)Width (mm)Head Dia.(mm)Head Thick (mm)Min. Grip(mm)Max. Grip(mm)

M30.5227.710.71.50.95.0
M40.7127.911.01.20.44.0

M40.7227.710.71.28.514
M50.8149.612.70.90.44.9

M50.8219.614.00.97.911.4

M50.8269.614.01.37.915.0

M61.01612.716.01.30.44.0

M61.02112.719.054.750.84.7

M81.251815.921.53.20.44.0

Additional Information

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