GRK Fasteners #9 x 4-Inch Thread FIN/Trim Trim Head Screws

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GRK Fasteners

#9 x 4-Inch Thread FIN/Trim Trim Head Screws


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* Estimated stock levels as of Mon, May 16, 2022. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availablity of items marked as Limited Stock.

  • Star drive eliminates stripping for improved productivity
  • Trim head for a clean finished look
  • W-Cut™ low torque, faster drive
  • Zip-Tip™ allows for one step installation with no pre-drilling
  • Case hardened steel for high tensile, torque and shear strength
  • Climatek™ coated screws provide corrosion resistance in pressure treated wood with corrosive ground contact
  • For all trim applications
  • Fine carpentry applications as well as window extension jambs and more
  • AC257 Treated lumber approved


FIN/Trim screws are an excellent choice for deck rails, exterior/interior trim, joining cabinets and most fine carpentry applications such as crown molding and window/door jambs. It leaves a clean look as the tiny heads disappear when countersunk. Approved for use in all applications that include pressure treated lumber.



Applicable Materials Wood
Drive Size T-15
Drive Type Star
Finish Climatek Coated
Head Type Trim
Length Under Head 4 in
Material Steel
Pack Qty 50
Package Type Handy-Pak
Point Type Zip-Tip
Shear Strength 425 lb
Tensile Strength 576 lb
Thread Length 1.968 in
Thread Size #9
Thread Type W-Cut
Type Self-Tapping


Length 4 in

Manufacturing Details
The following information is subject to change without notice

Certification, Codes, Standards ESR-3201 Approved
Country of Origin TW

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