Diameter: #6 (3.5 mm) / #7 (3.9 mm) / #8 (4.2 mm) / #10 (4.8 mm) Length: 1/2" – 5" Material: C1022A carbon steel Coating: Black / Gray Phosphate or Zinc plated Thread Type: Coarse thread (for wood) Drive Type: Phillips #2 recessed drive Point Type: Sharp point
The coarse thread drywall screw is designed with wide, deep threads that create a firm grip on wood and other soft substrates. Its sharp tip allows effortless penetration without pre-drilling, and the anti-corrosion surface treatment ensures long-term durability. It is an ideal fastening solution for suspended ceilings and ceilings with wooden frames.
Key Features
1.Wide threads create a firm grip on wood and other soft substrates.
2.Sharp tip for effortless penetration, no pre-drilling needed.
3.Anti-corrosion surface treatment ensures long-term durability.
4.Wider and deeper thread design delivers a stronger bite in wood.
5.Pull-out resistance increased by 40% vs. fine thread screws.
6.Suitable for suspended ceilings and ceilings with wooden frames.
The coarse thread drywall screw features a deeper and wider thread design that gives it a clear advantage when fastening drywall to wood. Its thread pitch is 2.5–3.5 mm, significantly wider than that of the fine thread type, and the thread depth is 0.3–0.4 mm.
This geometry provides a greater bite force when encountering wood, increasing pull-out resistance by 40% compared with fine thread screws. Combined with a sharp point for quick penetration without pre-drilling, the screw speeds up installation and reduces labor time on site. The anti-corrosion surface treatment ensures long-term durability, making these screws the preferred choice for suspended ceilings and ceilings with wooden frames.
Applications
Wood and other soft substrates
Suspended ceilings
Ceilings with wooden frames
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