Daggerz #10 x 1-1/2" Self-Drilling Metal-to-Metal Screw, Phillips Pan Head - Zinc, Qty. 3,000 Rod Hanger Masonry Screws These hangers have been tested

These hangers have been tested according to ASTM E814 and received F (flame) and T (temperature) ratings for use on one or both sides of the wall

or electrical work

The spiral knurl provides a positive lock and resists back-out

Code Recognized: IAPMO ER-493 certified for use in cracked and uncracked concrete

For Engineered Wood: Use Strong-Drive SDS Heavy-Duty Connector screws where specified

Daggerz #10 x 1-1/2" Self-Drilling Metal-to-Metal Screw, Phillips Pan Head - Zinc, Qty. 3,000 Rod Hanger Masonry Screws These hangers have been testedDaggerz brand self drilling screws are a high quality screw designed for metal to metal fastening jobs. The #3 self drilling point drills through metal easily and eliminates the need for any pre drilling. These screws work excellent for HVAC and electrical work use where a low profile head is desirable. The zinc plating is recommended for installations in dry interior environments only. For Metal Thickness . 110" . 175" (12 8 Gauge) Recommended Drill