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The VALUE COLLECTION MSC-74125493 is a No. 14 self drilling screw designed for fast, reliable fastening without a pre-drilled pilot hole. The hex washer head provides a broad bearing surface and a positive hex drive engagement, reducing the chance of cam-out under power. Built from Grade 410 stainless steel, this screw resists corrosion in moderate outdoor and industrial environments. At 1-1/2 inches length under head with a No. 3 drill point and a 1/4 inch-14 thread, it suits a wide range of sheet metal, light structural, and mechanical assembly applications. Sold in multiples of 100.
This screw is used in sheet metal fabrication, HVAC duct assembly, roofing panel attachment, metal building erection, and general mechanical fastening tasks. The No. 3 drill point is rated for penetrating heavier-gauge steel without pre-drilling. The hex washer head style is compatible with standard 1/4 inch hex nut drivers and impact drivers commonly used by HVAC technicians, sheet metal workers, and general contractors working with light to medium gauge steel substrates.
Designed as an OEM-style replacement or standard fastener for sheet metal, HVAC ductwork, roofing panels, and light structural steel applications requiring a No. 14 self drilling screw with a hex washer head.
Installation is performed by sheet metal workers, HVAC technicians, and general contractors using a 1/4 inch hex nut driver or impact driver set to a controlled clutch setting to avoid over-driving and stripping the substrate. Ensure the work material gauge is appropriate for a No. 3 drill point before driving. Power down any associated electrical or mechanical systems before fastening into panels or enclosures. Follow applicable building codes and manufacturer specifications for fastener spacing and edge distance.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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