Phillips & Square Trim Head Black Self Drilling Screw
Phillips and square trim head, black, self drilling. Attaches wood trim to single or double layer of drywall to metal studs. P= phillips, Q= square drive
• Meets F.I.P.-1000.7 for torsional strength & drill speed
• Meets SAE J78 for performance & dimensional specifications
• Meets ASTM A 510 for carbon steel manufacturing