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The 1.5 Inch Black Screw (Big) is a durable and versatile fastener designed for use in electronics enclosures, mounting hardware, DIY projects, robotics, and general construction tasks. Made from high-strength steel with a black oxide finish, this screw offers excellent resistance to rust and corrosion, ensuring a long service life in both indoor and light outdoor environments.
Its larger size and sharp threading provide a firm grip in wood, plastic, or soft metal, making it ideal for structural or load-bearing assemblies where a reliable connection is essential.
How It Works:
Simply insert the screw into a pre-drilled hole or directly into soft material and tighten using a Philips-head screwdriver. The 1.5-inch length allows for deep anchoring, ideal for thick panels or components.
Specifications:
Length: 1.5 inch (approx. 38mm)
Head Type: Philips (cross-head)
Thread Type: Coarse thread for strong grip
Color: Black (oxidized coating for rust resistance)
Material: Carbon Steel
Diameter: Approx. 4mm – 5mm (varies slightly by batch)
Drive Type: Manual or power screwdriver compatible
Quantity: Sold individually or in packs (select variant)
Applications:
Electronics project boxes
Mounting PCBs, motors, or sensors
Robotics frames and chassis
Furniture assembly or repair
Wood, plastic, and soft metal fastening
Limitations:
Not stainless steel—may rust in fully outdoor or marine environments
Requires a properly sized screwdriver to avoid stripping the head
Drilling a pilot hole is recommended in harder materials to avoid splitting
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