Product Description
Simpson Strong-Drive PPHD Sheathing-to-CFS Screw #8 x 1-15/16 in. T25, Yellow Zinc - 4,000-Quantity by Simpson Strong-Tie is engineered specifically for fastening wood sheathing materials to cold-formed steel (CFS) framing. Featuring a long #5 pilot point and buttress thread design, this screw delivers faster, more reliable penetration through sheathing and into metal, making it a dependable choice for residential, agricultural, and commercial construction projects.
Key Features
- Larger #5 pilot point with longer flute for efficient penetration through sheathing and metal
- Buttress threads and dog-ear point provide faster drilling through sheathing and metal
- 6-lobe recess for a more secure drive, reducing cam-out during installation
- PPHD screws may be used as prescribed by the codes for shearwalls and diaphragms as described in AISA S240 and AISI S400
- Designed for use in dry service, low-corrosion environments and some fire-rated sheathing
- Yellow-zinc coating for corrosion resistance in appropriate service conditions
- Flat head with 0.323 in. head diameter provides a low-profile, flush installation
- Bulk pack of 4,000 screws supports high-volume framing and sheathing applications
Specifications
- Model Number (MPN): PPHD11516B-4K
- Screw Size: #8
- Length: 1-15/16 in.
- Coating/Finish: Yellow-Zinc Coated
- Head Type: Flat Head
- Head Diameter: 0.323 in.
- Drive Type: T25 6-Lobe
- Thread Type: Buttress Threads
- TPI: 17
- Point Type: Pilot Point
- Point Size: #5
- Maximum Installation Thickness: Two layers of 16 ga. (0.125" total)
- Quantity: 4,000
- Country of Origin: Taiwan
Approved Applications
- Fastening Wood to Steel - Sheathing
Frequently Asked Questions
- What type of steel can the PPHD11516B-4K screw be used with?
- This screw is designed to drive through sheathing materials and into cold-formed steel (CFS). The maximum installation thickness is two layers of 16 ga. (0.125" total).
- What drive bit is required for these screws?
- The PPHD11516B-4K uses a T25 6-lobe drive recess. A T25 driver bit is required for installation.
- Are these screws code-compliant for shearwall and diaphragm applications?
- Yes. PPHD screws may be used as prescribed by the codes for shearwalls and diaphragms as described in AISA S240 and AISI S400.
- Are these screws suitable for outdoor or high-moisture environments?
- These screws feature a yellow-zinc coating and are designed for use in dry service, low-corrosion environments and some fire-rated sheathing. They are not intended for high-moisture or highly corrosive outdoor exposure conditions.
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