Malco Tools HW7X1/2ZT Zip-in® Self Piercing Sheet Metal Screws, #7 x 1/2, 1000 Count LD5000 heat-treated steel bits for long-lasting

heat-treated steel bits for long-lasting use

and the 6 included Universal F Compression Connectors provide excellent holding power and signal strength you require

Length: 9"

For 1/8” to 5/8” (4 mm to 15 mm) O

Resolution: 0

Malco Tools HW7X1/2ZT Zip-in® Self Piercing Sheet Metal Screws, #7 x 1/2, 1000 Count LD5000 heat-treated steel bits for long-lastingMalco Tools HW7X1 2ZT Zip in Self Piercing Sheet Metal Screws, #7 x 1 2, 1000 Count Malcos Zip in Screws are known for their superior quality and is considered by many for being the best screw choice for HVAC metal duct fastening. A unique thread design and quality controlled manufacture spell the Zip in sheet metal screw difference. Zip ins are made with a sophisticated heat treat process which allows the screw to taper to a fine, sharp point without