Zinc Pocket-Hole ScrewsKreg 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.• Length 25mm• Thread Coarse• Head Maxi-LocPackage includes:• SML-C1 – 500 pcs.• Container