Spax Washer Head Power Lags (Yellow Zinc) - Low profile washer head has a cleaner appearance for interior applications and the large bearing surface under the head is superior for wood to wood or metal to wood fastening. The screw is protected with a zinc plating and has a yellow chromate finish. The washer head measures approximately 1" (25mm) in diameter. Available in bulk pails only in this size when these contractor boxes are gone. T50 impact bit sockets are recommended for installing these large diameter torx drive fasteners. Features include.........

• Bulk Pail Packaging (150pc)
• Partial thread
• Hardened steel (grade 5)
• See spec chart for shear strength
• Does not require pre-drilling
• Torx drive (1/4"=T30, 5/16"=T40, 3/8"=T50)
• Made in USA