MTH Underlayment Screw
Prevents Squeaks by Holding Underlayment Tight
The MTH Underlayment screw is designed for fast and secure underlayment to subfloor installations. Unlike nails, the MTH Underlayment screw has an intricate thread pattern designed to prevent squeaking by holding underlayment tight to the subfloor and thus preventing pull-out. Its compact trim-head allows for a flush surface and prevents floor coverings from settling in countersink recesses.
Key Features
- Deep recessed square drive holds bits tight, reducing cam-outs
- High-low thread for easy driving and holding underlayment tight
- Specially designed sharp point for fast starts
- Trim-head with nibs for easy countersinking
Applications
- Wood underlayment to wood
Product Includes
- Driver bit BIT2S-2-RC3
Related Links
- Fastening Systems Technical and Installation Notes
- MTH Underlayment Screw also available collated for the Quik Drive® system
- Driver Bits
Catalog Pages
Related Literature
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Sistemas de sujeciónC-F-2017SPUn catálogo a color que contiene soluciones para sujetadores Simpson Strong-Tie, incluyendo nuestras líneas de productos Strong-Drive®, Deck-Drive®, Quik Drive® y acero inoxidable.Catalog -
2018 Fastener Product GuideS-F-FASTNRPG18A pocket-sized product guide for Simpson Strong-Tie Fastening Systems.Product Guide -
Underlayment and Subfloor Solutions for Superior FasteningS-F-UNDRLYMT16A flier describing Simpson Strong-Tie solutions for securing various types of underlayment materials using the MTH Underlayment, Cement Board and Strong-Drive® WSNTL Subfloor Screws.Flier -
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Product Information Table
| Model No. | Coating/Material | Screw Size | Length (in.) | Head Diameter (in.) | Drive Type | Head Type | Thread Type | Point Type | Packaging Qty. | UPC |
|---|---|---|---|---|---|---|---|---|---|---|
| MTH114R1200 | Gray Phosphate Coating | #7 | 1 1/4 | 0.270 | #2 Square | Trim Head | High/Low Threads | Sharp Point | 1200 | 707392124450 |
| MTH114R250 | Gray Phosphate Coating | #7 | 1 1/4 | 0.270 | #2 Square | Trim Head | High/Low Threads | Sharp Point | 250 | 707392759782 |
Product Information Table
| Model No. | Length (in.) | Screw Size | Drive Type | Head Diameter (in.) | Head Type | Thread Type | Point Type | Coating/Material | Packaging Quantity | UPC |
|---|---|---|---|---|---|---|---|---|---|---|
| MTH114R1200 | 1 1/4 | #7 | #2 Square | 0.27 | Trim Head | High/Low Threads | Sharp Point | Gray-Phosphate Coating | 1,200 | 707392124450 |
| MTH114R250 | 1 1/4 | #7 | #2 Square | 0.27 | Trim Head | High/Low Threads | Sharp Point | Gray-Phosphate Coating | 250 | 707392759782 |
