Kreg Pack of 500 Carton of Zinc Pocket Screws 25mm 1" #8 Coarse Washer-Head Kreg Zinc Screws are a good choice for a wide variety of indoor projects with limited exposure to the elements. Zinc screws provide adequate rust protection, and serve as an affordable alternative to our more protective Blue-Kote� and stainless screw varieties. For Indoor Use Only Technical Specification: Screw Material: Zinc Coated Length: 25mm / 1" Head Type: Washer-Head Thread Type: #8 Coarse Pack Size: 500 We are an authorised Kreg retailer and only deal with Genuine Kreg Products.