PHEINOX™ 305 stainless steel screws are corrosion and stain-resistant fasteners designed to withstand wet environments. PHEINOX™ 316 stainless steel screws are designed for coastal applications. GRK's patented R4, RSS, FIN/TRIM and RT composite screws are available in PHEINOX™ stainless steel. GRK recommends PHEINOX™ 305 stainless steels screws for applications that require superior corrosion resistance in wet environments such as decks, boardwalks, pools and hot tubs. PHEINOX™ 305 stainless is also recommended for use with cedar, red-wood and various other wood substrates that have higher acid content as well as for composite deck boards. PHEINOX™ 305 stainless steels screws are recommended for applications located more than 1 mile from the coast.
- Recessed star drive for zero stripping, with six points of contact
- CEE THREAD™ enlarges hole to reduce splitting
- W-CUT™ for low torque, faster drive
- ZIP-TIP™ ensures no pre-drilling and faster penetration
- Corrosion resistance for harsh environments
- Corrosion resistance for wet environments
- Stain-resistant in specialty wood
- Reverse threads under heads
| Applicable Materials | Cedar Redwood Specialty Hardwood |
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| Drive Size | T15 |
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| Drive Type | Recessed Star |
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| Grade | 305 |
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| Includes | 2 in Bit |
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| Length | 2-1/2 |
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| Material | Steel |
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| Package Quantity | 365 PK |
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| Point Type | Zip-Tip |
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| Shear Strength | 319 lbf |
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| Tensile Strength | 394 lbf |
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| Thread Length | 1-5/8 in |
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| Thread Type | W-Cut |
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