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Key Features

  • Tough, sturdy alternative to lag screws
  • No pre-drilling required
  • Totally rust-proof: made from hardened 305-grade stainless steel
  • Suitable for interior and exterior use
  • Built-in washer head with no sharp edges
  • Six-threaded CEE thread reduces splitting by enlarging the screw hole


DecksDirect # 5814

GRK Limited Lifetime Warranty (85 KB) 

Drive TypeT-30 Star/Torx
Head TypeFlat
Screw Size5/16 in
Screw Length3-1/8 in, 4 in, 5-1/8 in, and 6 in
Material Type305 stainless steel
Pack Size24 pack, 40 pack, 45 pack, 50 pack, 300 pack, 400 pack, and 500 pack
Not all sizes available in all pack sizes
Coverage Estimaten/a
Package Contents24 pack: (24) screws
40 pack: (40) screws
45 pack: (45) screws
300 pack: (300) screws
400 pack: (400) screws
500 pack: (500) screws
#30 Starhead Bit by GRK Fasteners sold separately
WarrantyView GRK Warranty Information

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