Timber construction screws


Choose from a full range of diameter options, lengths, and head styles to find the best-suited timber screw 


We provide technical solutions for structural joints and reinforcements for the timber construction market. Our comprehensive inventory provides designers with the innovative products they need to realize their concepts. Economical and efficient, our customized timber connections allow for safe and efficient design without compromise. 

 

HT partial thread, countersunk head structural wood screw

  • Countersunk head with milling ribs ensure head is clearly countersunk
  • Code approved
  • Tip with milling ribs reduces the risk of splitting the wood
  • No pre-drilling required
  • Faster driving
  • Lower driving torque
Carbon steel
  • 1/4" diameter, T25 drive, lengths:  2-3/8" to 11-7/8"
  • 5/16" diameter, T40 drive, lengths: 3-1/8" to 19-5/8"
  • 3/8" diameter, T40 drive, lengths: 3-1/8" to 19-5/8"
304 Stainless steel
  • 3/16" diameter, T25 drive, lengths:  2" to 4"
  • 1/4" diameter, T25 drive, lengths:  2-3/8" to 6-1/4"
  • 3/8" diameter, T40 drive, lengths: 3-1/8" to 15-3/4"
Catalog pages | PDF

 

HT partial thread, flange head structural wood screw

  • Flange head provides higher load transmission due to the increased clamping surface of the head
  • Code approved
  • Tip with milling ribs reduces the risk of splitting the wood
  • No pre-drilling required
  • Faster driving
  • Lower driving torque
Carbon steel
  • 1/4" diameter, T25 drive, lengths:  4" to 11-7/8"
  • 5/16" diameter, T40 drive, lengths: 5-1/2" to 15-3/4"
  • 3/8" diameter, T40 drive, lengths: 5-1/2" to 15-3/4"
304 Stainless steel
  • 3/8" diameter, T40 drive, lengths: 5-1/2" to 11-7/8"
Catalog pages | PDF

 

HT partial thread, extra large (XL) flange head structural wood screw

  • Extra large flange head provides higher load transmission due to the increased clamping surface of the head
  • Code approved
  • Tip with milling ribs reduces the risk of splitting the wood
  • No pre-drilling required
  • Faster driving
  • Lower driving torque
Carbon steel
  • 5/16" diameter, T40 drive, lengths: 6-1/4" to 15-3/4"
Catalog pages | PDF

HT partial thread, combination hexagon head structural wood screw

  • Combination hexagon head with T-drive allows comfortable and universal processing with various tools
  • Code approved
  • Tip with milling ribs reduces the risk of splitting the wood
  • No pre-drilling required
  • Faster driving
  • Lower driving torque
Carbon Steel
  • 5/16" diameter, T40 drive, lengths: 6-1/4" to 15-3/4"


HT full thread, countersunk head structural wood screw

  • Countersunk head with milling grooves for flush countersinking of the head in timber and steel connections
  • Code approved
  • Tip with milling ribs reduces the risk of splitting the wood
  • Transfer of high tensile and compressive loads via the full thread
  • Reduced edge and center distances
  • Fast and simple to use
Carbon Steel
  • 5/16" diameter, T40 drive, lengths: 4-3/4" to 15"
  • 3/8" diameter, T40 drive, lengths: 4-3/4" to 15"
Catalog pages | PDF



HT full thread, flange head structural wood screw

  • Flange head provides higher load transmission due to the increased clamping surface of the head
  • Code approved
  • Tip with milling ribs reduces the risk of splitting the wood
  • Transfer of high tensile and compressive loads via the full thread
  • Reduced edge and center distances
  • Fast and simple to use
Carbon Steel
  • 1/4" diameter, T25 drive, lengths:  1-5/8" to 3-1/8"
  • 5/16" diameter, T40 drive, lengths: 3-1/8" to 4-3/4"
  • 3/8" diameter, T40 drive, lengths: 3-1/8" to 4-3/4"
304 Stainless steel
  • 1/4" diameter, T25 drive, lengths:  2" to 3-1/8"
  • 5/16" diameter, T40 drive, lengths:  2" to 4-3/4"
Catalog pages | PDF

CC double thread, cylindrical head timber fastener

  • Small cylindrical head for a simple and visually appealing installation without splitting
  • Code approved
  • Tip with milling ribs reduces the risk of splitting the wood while allowing for quick installation speeds
  • Very high load transfer
  • Varied pitch double thread tightly draws members together
  • Low edge and spacing distances
Carbon Steel
  • 1/4" diameter, T30 drive, lengths:  4" to 8-7/16"
  • 5/16" diameter, T40 drive, lengths: 4" to 15-3/4"
Catalog pages | PDF

WR full thread, countersunk head for timber connections & reinforcements

  • Countersunk head sinks in the wood and provides for safe installation of metal attachment
  • Up to 39-3/8" (1,000mm) in length
  • Code approved
  • Special tip allowing less splitting in the wood as well as low edge and center distances; this allows slim components to be used
  • No pre-drilling required
  • High corrosion resistance
  • High technical values
  • Low tendency to crack with low edge and spacing distances
  • Low edge and spacing distances
Carbon Steel
  • 1/4" diameter, T30 drive, lengths:  4" to 8-7/16"
  • 5/16" diameter, T40 drive, lengths: 4" to 15-3/4"
Catalog pages | PDF

WS cylindrical countersunk head self-drilling dowel for wood to steel

  • Cylindrical countersunk head countersinks without chips in the wood for a visually appealing surface finish
  • Under head thread design ensures reliable installation in the component as well as the possibility of removal
  • Code approved
  • Self-drilling with the special drill trip
  • Removable
  • High bending yield
  • High fire resistance
Carbon Steel
  • 1/4" diameter, T40 drive, lengths:  2-7/8" to 9-3/16"
Catalog pages | PDF

WB headless full threaded rod mass timber fastener

  • Headless threaded rod provides full embedment in the joint ensuring no deposit on other components and allows high fire resistance
  • Powerful wood thread offers very high tensile strength of 115 ksi
  • Available cut to length for a diverse range of applications and a reliable connection
  • Easy application without glue
Carbon Steel
  • 5/8" diameter,  lengths:  118-1/8"
  • 13/16" diameter, lengths: 118-1/8"
Catalog pages | PDF


VB partial thread, special headed timber fastener for timber-concrete composite floors

  • T-drive recess E8 special head for a good guide during installation and optimum power transfer allowing high tool life
  • Code approved
  • Collar ensures the correct and reliable setting-depth
  • Very high efficiency
  • Highest security
  • Maximum comfort
  • For renovation and new build construction
  • Proven system, comprehensive design documents
Carbon Steel
  • 5/16" diameter, external T40 drive, lengths: 6-1/8" to 8-5/8"
Catalog pages | PDF
Ready to place your order? Not sure which screw or rod to use? The SFS team is ready to help you find and purchase the ideal timber connector for your specific project. Call 610-790-2620 to get started. 
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