Wafer Head Self-Drilling Screwsrollinew2024-10-23T04:23:53+00:00 This is custom heading element Code Dia φ Length (inch) Truss Head 6*7/16 φ 6.7 7/16 Truss Head 8*1/2 φ 8.0 1/2 Truss Head 8*3/4 φ 8.0 3/4 Truss Head 8*1 φ 8.0 1 Truss Head 8*1-1/2 φ 8.0 1-1/2 Truss Head 8*2 φ 8.0 2