Malco Tools HW8X3/4ZT Zip-in® Self Piercing Sheet Metal Screws, #8 x 3/4", 1000 Count Wire Bender Proven sliding double “O”-ring pistons

Proven sliding double “O”-ring pistons reduce wear

V8235B1207

BG1600M00EF-1ADC

It’s also designed to handle the abuse that most leak detectors can’t with an impact resistant IP54-certified body that fits easily in your hand

Malco Tools HW8X3/4ZT Zip-in® Self Piercing Sheet Metal Screws, #8 x 3/4", 1000 Count Wire Bender Proven sliding double “O”-ring pistonsMalco Tools HW8X3 4ZT Zip in Self Piercing Sheet Metal Screws, #8 x 3 4", 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