FastenMaster 6 in. TimberLok Coarse Steel Hex-Head Heavy-Duty Wood Screws (50-Pack)-FMTLOK06-50 - The Home Depot
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Model # FMTLOK06-50

Internet # 202268250

Store SKU # 141565

6 in. TimberLok Coarse Steel Hex-Head Heavy-Duty Wood Screws (50-Pack)

FastenMaster 6 in. TimberLok Coarse Steel Hex-Head Heavy-Duty Wood Screws (50-Pack)

This item has been discontinued.
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$33.46 / each


Model # FMTLOK06-50

Internet # 202268250

Store SKU # 141565

Store SO SKU # 336802

Save time, money and labor costs! TimberLoks sharp point and aggressive threads penetrate the densest woods without pre-drilling and provide stronger shear values than 3/8 in. galvanized lag screws. TimberLoks unique countersinking head design is perfect for your next wood-to-wood project whether it be deck framing, fencing, or any post to beam connections. It's also perfect for replacing galvanized spikes in raised flower beds, landscaping, or retaining walls. No need to predrill and sledge a spike. TimberLok just zips right in! 6 in. TimberLoks can also be used as a code compliant replacement for hurricane ties in rafter to top place and truss to top plate applications. Simply drive the 6 in. TimberLok at a 22-1/2 degree angle below the double top plate up into the center of the rafter. This can be done when over or between wall studs. The fastener head will countersink to secure the rafter to the double top plate. Please refer to FastenMasters website for application specific information regarding this connection.

  • Nationally code compliant. IBC/IRC ESR #1078
  • Head stamped for easy code inspection
  • Unique tapered head countersinks easily into wood
  • Guaranteed corrosion resistance for the life of the project. ACQ approved
  • Varity of lengths, from 2-1/2 to 10 in., to match every application
  • Free 5/16 in. hex driver bit in every box
  • American made

Info & Guides

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Assembled Depth (in.) 
.189 in 
Assembled Height (in.) 
6 in 
Assembled Width (in.) 
.189 in 
Screw Length 
6 in 
Drive Style 
External Hex 
Driver bit included 
Fastener Callout Size 
Fastener Plating 
Fastener Thread Type 
Fastener Type 
Specialty Fastener 
Fastener/Connector Material 
Finish Family 
Head Style 
Measurement Standard 
Package Quantity 
Primary Use 
Wood-to-wood construction i.e. decks, landscape walls, stair stringers, rafter rails, and much more! 
Product Weight (lb.) 
2.85 lb 
Self drilling 
Self tapping 
Tamper Resistant 
Warranty / Certifications
Manufacturer Warranty 
FastenMaster fully guarantees TimberLok against rusting or streaking for the lifetime of the project. Please see the following link for further details at: 


Rated 4.3 out of 5 by 6 reviewers.
Rated 5.0 out of 5.0 by great for stockade wood fence 4 and 5 inches we use 5 inch for stockade fence. GREAT come with own drill adpter easy to back out don`t strip June 7, 2013
Rated 5.0 out of 5.0 by Well worth the money I used these fasteners on a header project. They worked better than I expected and I do expect a lot. I have and will recommend these to anyone. I will be buying them again. They are a bit pricey but the ease at which they install is well worth it in time saved. They self start and go in with out cracking boards. September 15, 2013
Rated 5.0 out of 5.0 by Nice screws holding 4x4 timbers nicely. Used these to assemble a 10' by 10' above ground pond made out of 4x4 pt timbers. Wen't straight into the timbers like butter. Used with rebar to assist on holding everything together very nicely! June 10, 2014
Rated 1.0 out of 5.0 by bit provided to install screws was stripped Screws did not go in with out pre drilling and the bit provided was stripped-round as a doughnut hole. Had to pre drill and use my own ratchet to put these in (package said "they zip right in")- took three times as long as it would have if the provided drill bit had worked. lesson learned- if i get a free bit with screws, make sure i have a backup bit that actually works. The screws were fine. the experience was a pain in the butt. February 11, 2014
Rated 5.0 out of 5.0 by talk about easy if you've ever installed rafters then you'll appreciate these over hurricane brackets, it saves hours and when you add the price of the screws required with huricane brackets it's the same price. October 3, 2013
Rated 5.0 out of 5.0 by Great for framing/fencing/timbers Timberlok fasteners are easier to use than lag bolts, look much better when heads are exposed, are easier to line up and tighten. And they cost less. Only negative I've seen is the size of the head and I fix that with a flat washer. April 30, 2013
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