Daggerz #10 x 1-1/2" Self-Drilling Metal-to-Metal Screw, Phillips Pan Head - Zinc, Qty. 3,000 Rod Hanger Masonry Screws The spiral knurl provides a

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

Coarse threads – Provide strong holding power in wood decking

or electrical work

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

Manufactured to exceed the minimum tensile capacity of corresponding ASTM A449 bolts and threaded rods

Daggerz #10 x 1-1/2" Self-Drilling Metal-to-Metal Screw, Phillips Pan Head - Zinc, Qty. 3,000 Rod Hanger Masonry Screws The spiral knurl provides aDaggerz 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