Manasquan Premium Fasteners The source for Stainless Steel Fasteners Phone: 1 800 542 1979   
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Email: info@manasquanfasteners.com   
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GRK PHEinox™ Stainless Steel Screws

  • PHEinox™  Stainless Steel
    Special one of a kind composition is hardened & rust-free
  • NO pre-drilling  
    Patented W-CUT™  thread design acts like a circular saw, reducing material splitting and the amount of torque required
  • NO stripped drives
    All GRK screws have a Star Head Design, increasing the holding power of the bit and virtually eliminating head stripping
  • EASY START
    ZIP-TIP™  designed for fast starts in all fibrous materials
  • Now stocked in 3 styles
  • R4 Multi-Purpose
  • RSS Structural Washer Head
  • FIN/Trim trim head

  • GRK's R4™  self-countersinking screw has six self-contained cutting pockets which act like a router and transport the "drill dust" away from the edge of the screw hole.
  • Made from PHEinox ™ hardened stainless steel with a Star Drive
  • Widens the countersink hole only around the head shape. The head top closes the hole exactly, leaving no damaged fibers around the wider area of the head.
  • Pre-countersinking is no longer required, it is done by the screw itself
  • GRK R4 PHEinox Stainless Steel Multi Purpose Screw
                QTY
    Description Approx Count Bit Size Carton Size Code Price Pro-Pack
    #9 x 2" 627 T15 Pro-Pack R4SS09200PP $87
    #10 x 2-3/4" 350 T20 Pro-Pack R4SS10234PP $87
    #10 x 3-1/8" 305 T20 Pro-Pack R4SS10318PP $87
    #12/14 x 2-1/2" 225 T25 Pro-Pack R4SS12212PP $87


  • GRK's FIN/Trim™ features a small head, GRK's W-Cut™  thread design and Zip-Tip™ to prevent most material splitting
  • Made from PHEinox ™ hardened stainless steel
  • Strong head and star recess
  • NO pre-drilling required
  • Ideal for composite decks and all trim applications
  • GRK FIN/Trim PHEinox Stainless Steel Trim Screws
                QTY
    Description Approx Count Bit Size Carton Size Code Price
    #8 x 2-1/2" 560 T10 Pro-Pack FINSS8212PP $87
    #9 x 3-1/8" 275 T15 Pro-Pack FINSS9318PP $87


  • GRK's RSS™  Structural Screw features a round head with built in shield (washer type head)
  • Made from PHEinox ™ hardened stainless steel with a Star Drive
  • The added shoulder underneath the washer has the ability to center the screw in pre-drilled hardware like hinges and connector plates
  • GRK's RSS™  may be used as a lag screw replacement

  • GRK RSS PHEinox Stainless Steel Structural Screws
                QTY
    Description Approx Count Bit Size Carton Size Code Price
    1/4 x 2-1/2" 195 T25 Pro-Pack RSS14X212PP $87
    1/4 x 3-1/8" 142 T25 Pro-Pack RSS14X318PP $87
    5/16 x 4" 112 T30 Pro-Pack RSS516X400PP $87


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