GRK 14221 5/16 in. x 3-1/8 in. Star Drive Washer Head Coated Steel RSS Structural Screws, 25/Box

★★★★★ 5.0 79 reviews

US$11.66
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US$11.66
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Management number 218157439 Release Date 2026/05/03 List Price US$11.66 Model Number 218157439
Category

GRK 14221 5/16 in. x 3-1/8 in. Star Drive Washer Head Coated Steel RSS Structural Screws, 25/Box

  • Built-in washer head
  • Coated and hardened steel
  • ICC report ESR-2442
  • Uses GRK bit T-25
  • Self-tapping
UPC 772691142214
Brand GRK
Color No Color
Model 14221
Set Name 25-Piece Set
Head Type Round
Size Name 3.125 inches
Metal Type Alloy Steel
Unit Count 25.0 Count
Item Weight 8 ounces
Part Number 14221
Thread Size 5/16"
Thread Type Unc
Drive System Torx
Finish Types Coated
Manufacturer Grabber Construction Products
Thread Class 2B
Thread Style Right Hand
Fastener Size 5/16" x 3.125 inches
Fastener Type Self-Tapping Screw
Material Type Steel
Item Type Name RSS 5/16-inch x 3-1/8-inch 25 Qty
Exterior Finish Alloy Steel
Item Dimensions 7.5 x 3.5 x 1.25 inches
Number Of Items 1
Thread Coverage Fully Threaded
Number of Pieces 25
Screw Head Style Modified Truss
Screw Point Style Self-Drill Point
Warranty Description Warranty
Set Screw Thread Type Unified National Coarse (UNC)
Compatible Groove Diameter 0.31 Inches
Global Trade Identification Number 00772691142214

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