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Overview

Model # FMTLOK04-150 Store SKU # 1001002804

TimberLOK is a heavy duty wood screw for applications such as attaching rafter or trusses to the top plate, landscape timbers, fences, decks, headers, stair stringers and more. TimberLOK replaces 3/8 inch lag screws and is approved for use in ACQ pressure treated lumber. There is no need to predrill with TimberLOK. Its sharp point and aggressive threads zip right in to the densest woods.

  1. Hex Drive
  1. Countersinking Head
  1. Coarse Thread
  1. Self-Drilling
  1. 5/16 Nut Driver included

Specifications

Dimensions

Assembled Depth (in inches)
9
Assembled Height (in inches)
6.75
Assembled Weight (in lbs)
6
Assembled Width (in inches)
6.5
Packaged Depth (in inches)
9
Packaged Height (in inches)
6.75
Packaged Weight (In lbs)
6
Packaged Width (in inches)
6.5

Details

Collated
No
Country of Origin
US-United States
Drive Style
Hex
Finish
Black
Head Type
Hex Washer
Interior/Exterior
Interior/Exterior
Length (in.)
0, 4
Material
Steel
Material
Steel
Number of Pieces per Package
150
Package Quantity
150
Product Diameter
5/16 in.
Product Length
4 in.
Size
5/16 in.

Warranty / Certifications

For more information please contact 1-800-268-4000
Timberlok 4 inch- 150-PieceFastenMaster Timberlok 4 inch- 150-PieceTimberLOK is a heavy duty wood screw for applications such as attaching rafter or trusses to the top plate, landscape timbers, fences, decks, headers, stair stringers and more. TimberLOK replaces 3/8 inch lag screws and is approved for use in ACQ pressure treated lumber. There is no need to predrill with TimberLOK. Its sharp point and aggressive threads zip right in to the densest woods.
FastenMaster
1001002804
Timberlok 4 inch- 150-Piece is rated 4.8 out of 5 by 30.
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Rated 5 out of 5 by from Used it to build my garden bed out of 6 x 6 post Bought a box to build my garden bed out of 6x6 fence post. Very easy to use, highly recommended.
Date published: 2020-08-23
Rated 5 out of 5 by from Landscape work Great for putting together 4x4 pressure treated lumber
Date published: 2022-08-18
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Can these replace joist hangers, and how much weight can one screw hold perpendicularly?

Asked by: Tibor
Structural screws like TimberLOK are good for most structural connections but should never be used as a sole replacement for joist hangers. The factored shear resistance of one TimberLOK in Douglas Fir Larch is 1137 N (256 lbs.) and 1002 N (225 lbs.) in SPF.
Answered by: FastenMaster team
Date published: 2023-12-28
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