Black Drywall Screws 1000Pcs #6, Coarse Thread Bugle Head Phillips Drive

For standard 1/2" (12.7mm) drywall into wood studs, the #6×1" size provides adequate penetration into the stud. For 5/8" (15.9mm) drywall, ceiling installation, or when extra holding strength is needed, the #6×1-3/8" size is the better choice — it provides deeper stud penetration and better resistance to pull-through. When in doubt, the longer size is generally preferred for ceiling work where gravity is a factor.

Coarse thread screws (like these) are designed for wood stud framing and wood keel applications — the wider thread spacing bites aggressively into wood fibers for maximum holding strength. Fine thread screws are designed for metal stud framing — the tighter thread spacing engages thin-gauge steel more effectively. Using coarse thread screws in wood studs and fine thread in metal studs is the correct pairing for professional drywall installation.

No pre-drilling is required for standard drywall installation into wood or light-gauge metal studs — the sharp point is designed to self-start. For harder materials or when working close to panel edges, a pilot hole slightly smaller than the screw shank prevents splitting. When using a drywall screw gun, set the depth stop to prevent over-driving, which can break the paper facing and reduce holding strength.

A standard 4×8 ft (1.2×2.4m) drywall sheet typically requires 28–32 screws when fastened to studs on 16" centers — approximately every 8" along the edges and every 12" in the field. For a 500 sq ft room (roughly 16 sheets), you would need approximately 450–520 screws. This 1000-piece pack provides enough for approximately 30–35 sheets with some margin for waste and corrections.

Yes — these screws are fully compatible with drywall screw guns (collated or single-feed). For single-feed screw guns, use a standard #2 Phillips bit. For collated screw guns, these screws would need to be loaded individually as they are not pre-collated on strips. A drywall screw gun with an adjustable depth stop is the recommended tool for consistent, professional results — it prevents over-driving and maintains paper facing integrity.

No. Black phosphate coating provides good corrosion resistance for interior use but is not rated for outdoor, high-moisture, or direct weather exposure. For outdoor applications, use hot-dipped galvanized or stainless steel screws. These screws are designed for interior drywall, wood keel, and panel installation in dry or climate-controlled environments.

Over-driving breaks the paper facing of the drywall, which significantly reduces the screw’s holding strength and creates a weak point that can crack under load. The correct depth is just below the surface — the screw head should dimple the paper slightly without tearing it. Use a drywall screw gun with a depth stop, or set your drill’s clutch to a low-medium torque setting to prevent over-driving.