Free Shipping

on orders over $99

Worry-free Returns

365 day return policy


Introducing Pheinox™, the newest R4™ screw from GRK Fasteners. It has all the great components of original R4™ Deck Screws, but with the added strength and corrosion resistance of stainless steel.

Key Features:
  305 grade stainless steel
  Great for interior or exterior applications
  Doesn't require pre-drilling
  Specially-designed under head pulls material away from hole to allow a perfectly flush finish


DecksDirect # 5813

R4™ Deck Screws by GRK Fasteners Brochure (271 KB) 

GRK Limited Lifetime Warranty (85 KB) 

Drive TypeStar/Torx
Head TypeFlat
Screw Length2-1/2 in
Screw Size#10
Pack Size1500 pack or 2500 pack
Material TypeStainless steel
Included Accessories#25 starhead bit
WarrantyView GRK Warranty Information
BoWrench Deck Tool and Accessories
Starting at: $75.99
Hardwood Wrench™ Deck Board Straightener by DeckWise
Starting at: $269.99
RSS Rugged Structural Screws By GRK Fasteners - 3/8 in x 6 in - 50 Pro Pack
Starting at: $21.99
Acrylic Adhesive Flashing Tape by G-Tape
Starting at: $26.99
WiseGuides® Deck Board Gap Spacers by DeckWise - Multipack
Starting at: $12.99

Reviews & Questions