GRK 772691360793 8 by 2-Inch 1/2 Containing 1pail Equal to 560 Screws Trim SS Propack Product Description GRK's TRIM RT head composite screws are an excellent choice to prevent the dimple or mushrooming affect that sometimes appears. The reverse thread design is available with lengths from 2-inch to 3-1/8-inch. Most material splitting is prevented by the Trim head screw's small head and W-cut thread design. Pre-drilling is usually only necessary in extreme hardwoods like Mahogany or Ipe'. Some sizes are availabele in PHEINOX stainless steel. From the Manufacturer GRK's TRIM RT head composite screws are an excellent choice to prevent the dimple or mushrooming affect that sometimes appears. The reverse thread design is available with lengths from 2-inch to 3-1/8-inch. Most material splitting is prevented by the Trim head screw's small head and W-cut thread design. Pre-drilling is usually only necessary in extreme hardwoods like Mahogany or Ipe'. Some sizes are availabele in PHEINOX stainless steel. Features Made from PHEinox hardened type 305 stainless steel NO pre-drilling required for most materials Reverse Threading (RT) under the head of the screw helps the screw head to "disappear" beneath the of the classic wood composite material, reducing or eliminating dimpling GRK's RT Composite features a small head, GRK's W Cut thread design, and Zip Tip to prevent most material splitting Star recess takes a T10 bit USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.