Simpson Strong-Tie 0.315" x 15" SDCFC Timber-CFC Cylinder Head Screw - E-Coat, Black, Qty. 200
Simpson Strong-Tie 0.315" x 15" SDCFC Timber-CFC Cylinder Head Screw - E-Coat, Black, Qty. 200!
Simpson Strong-Tie 0.315" x 15" SDCFC Timber-CFC Cylinder Head Screw - E-Coat, Black, Qty. 200
Lengths:
Specifications
Simpson Strong-Tie SDCFC8X380 SDCFC TIMBER-CFC Screws are engineered for heavy-duty fastening in mass timber and CLT construction. Designed for structural performance, these screws are ICC-ES code listed and tested for demanding applications including curtain-wall framing, nail-laminated timber (NLT), and cross-laminated timber (CLT) panels.
Crafted from high-strength carbon steel with a double-barrier coating, the SDCFC screw provides excellent corrosion protection for dry interior environments. Its fully-threaded design and compact head allow for high-strength connections with minimal visual impact-perfect for exposed applications where aesthetics matter.
Whether you're building commercial timber structures or intricate wood assemblies, these structural wood screws offer performance you can trust.
Key Features:
- Fully-Threaded Design: Offers uniform load distribution and high withdrawal resistance, ideal for CLT and mass timber connections.
- Double-Barrier Coating: Provides corrosion resistance in dry interior environments.
- Compact Cylinder Head: Easily countersinks into timber for flush installation and clean finishes.
- ICC-ES Code Listed (ESR-3046): Tested and approved for structural use in mass timber and engineered wood assemblies.
- Pre-Drilling Optional: Can be installed without pre-drilling in most timber materials, saving time on the jobsite.
Applications:
- Curtain-wall framing
- Cross-laminated timber (CLT) panel connections
- Nail-laminated timber (NLT) assemblies
- General mass timber construction
- Exposed timber-to-timber joinery where aesthetics and strength are both priorities
Installation Tips:
- Use with compatible Simpson Strong-Tie drive tools for optimal performance.
- Recommended torque settings vary by length and timber density-refer to ICC-ESR-3046 or manufacturer guidelines.
- No pre-drilling required for most applications, but may be recommended for dense engineered woods.
Add the Essentials
Complete your order with these essentials, compatible with:
Simpson Strong-Tie 0.315" x 15" SDCFC Timber-CFC Cylinder Head Screw - E-Coat, Black, Qty. 200









Add the Essentials
Complete your order with these essentials, compatible with:
Simpson Strong-Tie 0.315" x 15" SDCFC Timber-CFC Cylinder Head Screw - E-Coat, Black, Qty. 200
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We are on a mission to expand our national reach—offering more product selection and faster delivery times. So far we’ve made remarkable progress in our expansion efforts, effectively doubling our capacity by adding a new 47,000 sq. ft. warehouse in Simpsonville, South Carolina, in addition to our existing 60,000 sq. ft. facility in Urbana, Iowa.
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We pride ourselves on delivering a user-friendly, high quality experience online and over the phone. Our knowledgeable team of experts is readily available via phone to assist with product questions and custom pricing inquiries. We’re available Monday thru Friday from 7:00 AM – 5:00 PM CST. We look forward to supporting you on your next job.
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We partner with trusted manufacturers in the fasteners industry to bring our customers a selection of over 10,000 different products. Fasteners Plus is one of only four Certified Platinum E-Commerce Vendors of Simpson Strong-Tie products, one of the largest suppliers of high-quality structural building products in the world.

