TIMCO Metal Stitching Screw for Sheet to Sheet 16mm EPDM Washer Bi-Metal Exterior Zinc – Choose Size

Description:

TIMCO Metal Stitching Screw for Sheet to Sheet 16mm EPDM Washer Bi-Metal Exterior Zinc - Choose Size

• Used for stitching sheet metal without the need to pre-drill a hole
• Self-drilling point and tapered shank, with a washered hexagon head

Bi-Metal (Silver Organic) - Corrosion Rating 4 out of 5: For industrial areas with a moderate salt atmosphere. Bi-Metal screws combine the utimate corrosion resistance of an A2 stainless steel fastener with the exceptional drilling performance of a hardened carbon steel drill tip.

Exterior (Silver Organic) - Corrosion Rating 3 out of 5: Use in urban and industrial areas with a low salt atmosphere. Exterior plating gives a reliable and durable corrosion resistant coating with resists 500 hours salt-spray.

Zinc - Corrosion Rating 1 out of 5: Use in clean, dry and low humidity environments. A bright zinc electrolytic plating with a clear toxin f