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T-Star Washer Head Screw: These T-star Washer Head screws are made of carbon steel and feature High Corrosive resistant (HCR) coating which makes these screws ideal for use in treated lumber and exterior applications
Grade 5 Durability: SPAX T-star Screws heat treated to improve strength and reduce breakage. These superior quality screws are great for both interior and exterior applications
Patented Thread Technology: Featuring SPAX patented thread technology, these wood screws require no pre-drilling, and drive faster and easier than conventional lags and other structural lag screws. T-Star plus head provides superior bit engagement
Built-on Washer Head: The corrosion resistant screws feature low profile built-on washer head design for a contemporary and sleek finish installation and eliminate the need and extra cost of a separate washer
Dimensions: 3/8” x 5” T-star Drive Washer Head HCR PowerLag; Drive Bit Size: T-50. Thread Type: Partial. 25 Pieces Per Box
SPAX 4581821001275 lag-screws, 3/8 x 5