Exterior Wood Screw
5/16 x 3-1/8" GRK RSS™ Round Washer Head Climatek™ Finish T-30 Drive Steel Structural Wood Screw
Fastenal Part No. (SKU)
Manufacturer Part No.
This is a Catalog Item
Wholesale: $592.00 / UNT of 200
Online Price: $384.00 / UNT of 200
Unit Price: $1.92 / each
Product Attributes
Dia/Thread Size 5/16"
Drive 6-Lobe
Drive Size T-30
Finish Climatek™
Head Round Washer
Length 3-1/8"
Material Steel
Point Zip Tip ™
Style Structural
System of Measurement Imperial (Inch)
Thread W-Cut™
Trade Name RSS™ Climatek™ Zip Tip ™ W-Cut ™
Type Exterior Wood Screw
Product Weight 4.2
UOM UNT of 200
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  • Recessed Star Drive: Zero stripping, with 6 points of contact
  • CEE Thread: for a clean finished look
  • W-Cut™: Low torque, smoother drive
  • ZIP-TIP™: Faster penetration
  • Washer Head: for immense holding power
  • Cutting Pockets: provide a clean hole and reduces splitting, and bore with precision
  • ESR-2442 Approved for structural application
  • Case Hardened Steel: for high tensile, torque and shear strength
  • Climatek™ Coated: AC257 approved for use in treated lumber

For interior/exterior use in: carrying beams, ledger boards, stair rails, deck posts, playground equipment and other professional applications

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