Stitching Self Drilling Screw
Material :SAE 1022 Carbon Steel
Washer:EPDM Sealing Washer
Head Type:Hex Head
Application:Colorbonded Steel Pannel,light steel pannel,corrugated roofing pannel
Self-drilling stitching screws are maily used to fix panel to panel on side lap or end lap of light gauge, light weight steel. The screws come with reduced drilling point to reduce thread stripping and tappered thread help retain pull-out strength.