Product Description
The Simpson Strong-Drive PPHD Sheathing-to-CFS Screw, #12 x 1-3/4 in., collated, 1,000-pack is purpose-built for fastening structural sheathing panels to cold-formed steel (CFS) framing in wall, floor, and roof assemblies. The long #5 pilot point with extended flute bores cleanly through OSB, plywood, and other sheathing materials before threading securely into CFS, while the flat head with underhead nibs countersinks flush without pre-drilling. Pre-collated for use with Quik Drive auto-feed screw driving systems and packaged with two T25 6-lobe driver bits, these screws keep crews moving on residential, agricultural, and commercial framing projects. The Quik Guard coating delivers corrosion resistance suitable for dry service and low-corrosion environments, including select fire-rated sheathing assemblies.
Key Features
- Larger #5 pilot point with longer flute - bores through sheathing and into CFS framing cleanly and efficiently, reducing drive effort and minimizing the risk of stripped holes
- Underhead nibs for easy countersinking - seat the flat head flush with the sheathing surface without a separate countersink step, saving time and delivering a cleaner finished result
- T25 6-lobe recess - provides a more secure bit-to-fastener engagement, reducing cam-out and improving drive consistency at production speeds
- Collated format compatible with Quik Drive PROHSD60 and PROHSD60M auto-feed systems - integrates directly into high-volume auto-feed screw driving workflows, significantly increasing installation speed on large sheathing runs
- Two T25 6-lobe driver bits included (replacement model QRTX25-1.5) - puts the right tooling in hand immediately, with a clear path to sourcing replacements when needed
- Code-listed for shearwall and diaphragm applications per AISI S240 and AISI S400 - allows use in engineered structural assemblies without additional product substitution requests or engineering justification
- Quik Guard coating rated for dry service and low-corrosion environments - provides reliable corrosion resistance for interior CFS framing and select fire-rated sheathing assemblies
- Fine thread pattern at 14 TPI - optimized for threading into cold-formed steel, delivering strong clamping force and pull-through resistance in metal-framed assemblies
Why This Product
- Built specifically for CFS sheathing work - unlike general-purpose metal screws, the PPHD is engineered from point to head for the exact task of driving through structural sheathing into cold-formed steel, with a pilot point geometry and fine thread count matched to that application
- Speeds up production with auto-feed compatibility - the collated format works directly with Simpson Quik Drive PROHSD60 and PROHSD60M systems, letting installers fasten sheathing panels continuously without stopping to reload individual fasteners
- Supports code-required structural connections - PPHD screws are recognized for use in shearwall and diaphragm assemblies as prescribed under AISI S240 and AISI S400, making them a straightforward choice for projects with structural engineering requirements
- Includes everything needed to start driving - two T25 6-lobe driver bits ship with every pack, so the correct tooling is on hand from the first screw, with a known replacement part number for ongoing procurement
Specifications
- Manufacturer Part Number (MPN): PPHDQ134S1214
- Screw Size: #12
- Length: 1-3/4 in.
- Head Type: Flat Head with Nibs
- Head Diameter: 0.460 in.
- Drive Type: T25 6-Lobe
- Thread Type: Fine Threads
- Threads Per Inch (TPI): 14
- Point Type: Pilot Point
- Point Size: #5
- Coating / Finish: Quik Guard Coating
- Compatible Auto-Feed Systems: Quik Drive PROHSD60, PROHSD60M
- Quantity: 1,000
Approved Applications
- Fastening Wood to Steel - Sheathing: Attach OSB, plywood, or other structural sheathing panels to cold-formed steel (CFS) framing in wall, floor, and roof assemblies.
- Shearwall & Diaphrag
Frequently Asked Questions
- What auto-feed screw driving systems are compatible with these collated screws?
- These collated PPHD screws are designed for use with the Simpson Strong-Tie Quik Drive PROHSD60 and PROHSD60M auto-feed screw driving systems. Two T25 6-lobe driver bits are included in the pack, and replacement bits are available under model QRTX25-1.5.
- Can these screws be used in shearwall and diaphragm applications?
- Yes. PPHD screws may be used as prescribed by the codes for shearwalls and diaphragms as described in AISI S240 and AISI S400, making them a code-ready solution for structural framing applications.
- What environments are these screws rated for, and what does the Quik Guard coating provide?
- The Quik Guard coating provides corrosion resistance suited for dry service and low-corrosion environments. These screws are also designed for use with some fire-rated sheathing assemblies. They are not intended for high-corrosion or exterior wet-service conditions.
- Do these screws require pre-drilling into cold-formed steel framing?
- No pre-drilling is required. The larger #5 pilot point with a longer flute is designed to pierce cold-formed steel framing directly, allowing the screw to drive through sheathing materials and into CFS efficiently without a separate drilling step.
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