Fasco SCWC513FSEG Scrail Fastener  Fine Thread 15-Degree Wire Coil Electro-Galvanized Square Drive, 1.75-Inch x 113-Inch, 2000 Per Box The Faster Fastener! Install with the speed of collated nails, but with the holding power of screws Fine threads for easy adjustment, reducing or eliminating squeaks Twice as fast as ordinary collated screws Eight times faster than bulk screws Can be used in most popular nailer's Saves time and labor costs