Senco 08F200Y Duraspin Number 8 by 2-Inch Subfloor Collated Screw (1,000 per Box) Go to amazon.com Related posts 7 best collated screws for 2022 Feature2-inch lengthNo. 2 square flat head with no. 8 shankCoarse 2/3 thread with waxYellow zinc finish DescriptionIncludes (1,000) 8 Gauge x 2-1/2-in Collated Flooring Screws.This screw works in all Senco DuraSpin Screw guns.