Innovative Solutions for 100% Waterproof Construction Integrity

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(631) 494-6000​

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20-year warranty on all standard products

Extension Wood Fasteners

  • Hex socket screw with engraved patent markings

    NB17 – Extension Fastener

    $19.85
  • Stainless steel screw with washer head

    NB17A – Extension Fastener

    $17.85
  • Patented metal screw with hex socket head

    NB17A 1/2 inch Nill extended port fastener

    $18.85
  • Close-up of a stainless steel patented screw.

    NB17L – Long Extension Fastener

    $23.85
  • Close-up of a stainless steel screw.

    NB17S – Short Extension Fastener

    $17.85