UCAN TRH 142BSSN 14-14-2 Tek Screw w/NEO Stainless 

UCAN U-DRILLS™ self drilling screws are engineered for consistent quality and speed. They are cold formed with rolled thread for superior strength and fast drilling performance in metal base materials up to 0.50 inch thick

Screw Material: 410 Stainless Steel Hardened 

Washer Material: 18-8 STAINLESS STEEL EPDM WASHER

Drilling Capacity: .220/4 ga