Product Description
Simpson CB3BLGHL158S CB3BLGHL Fiber-Cement Board Screw (Collated) - #9 x 1-5/8 in., #3 Square Undersized Drive, C-3 Mechanically Galvanized, 1,500-Quantity is a Simpson collated screw engineered for cement-board-to-wood applications in coarse, porous, and softer materials. Designed for use with the Quik Drive PROLDHG2 underlayment/backerboard system, this high-low threaded fastener delivers reliable countersinking for a clean, concealed finish on every installation.
Key Features
- 0.375-in. ribbed wafer head with nibs for easy countersinking
- #3 undersized square drive (2 driver bits in each box; replacement bit model BIT3SU)
- Alternating high-low threads
- Sharp point
- C-3 mechanically galvanized coating
- Straight collation
- Size: #9 x 1-5/8 in.
- Quantity: 1,500
Specifications
- Model No.: CB3BLGHL158S
- Screw Size: #9
- Length: 1-5/8 in.
- Head Type: Ribbed Wafer Head
- Head Diameter: 0.383 in.
- Drive Type: #3 Square, Undersized
- Thread Type: High/Low Threads
- TPI: 15
- Point Type: Sharp Point
- Collation Type: Straight
- Collation Angle: Straight
- Coating/Finish: Mechanically Galvanized, C-3
- Compatible Tool: Quik Drive PROLDHG2
- Packaging Quantity: 1,500
- Country of Origin: Taiwan
Approved Applications
- Cement board to wood (for coarse, porous, and softer materials)
- Fastening Wood-to-Steel
What's Included
- 1,500 collated #9 x 1-5/8 in. CB3BLGHL fiber-cement board screws
- 2 driver bits included (replacement bit model BIT3SU)
Frequently Asked Questions
- What application is the CB3BLGHL158S screw designed for?
- This screw is designed for cement-board-to-wood applications, specifically in coarse, porous, and softer materials. It is intended for use with the Quik Drive PROLDHG2 underlayment/backerboard system.
- What type of drive does this screw use, and are driver bits included?
- The CB3BLGHL158S uses a #3 undersized square drive. Each box includes 2 driver bits. If replacement bits are needed, the compatible model is BIT3SU.
- What coating does this screw have, and why does it matter?
- This screw features a C-3 mechanically galvanized coating, which provides corrosion resistance suited for cement board installation environments.
- How does the ribbed wafer head design benefit installation?
- The 0.375-in. ribbed wafer head includes nibs that allow the screw to countersink easily into the material, producing a clean, concealed finish for a professional result.
Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.
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