Black Phosphate Drywall Screws
Black Phosphate Drywall Screws
Black Phosphate Drywall Screws

Black Phosphate Drywall Screws

Black phosphate drywall screws are dedicated fasteners for securing gypsum boards, light steel frames, wooden frames and interior decoration components. Manufactured from carbon steel and finished with black phosphating, they deliver smooth driving, firm clamping and basic rust resistance. The bell-shaped countersunk head ensures the screw head embeds neatly into the board surface, and the sharp tip allows for quick positioning and easy screwing. They are well-suited for decoration projects, building materials wholesale, hardware sales and bulk procurement.
Product Details

Product Description

Black phosphate drywall screws are specialized fasteners designed for drywall, gypsum board, light steel framing, wooden framing, and interior finishing applications. With a black phosphate surface treatment, these screws provide a dark black or dark gray appearance, smooth driving performance, and basic corrosion resistance for dry indoor construction environments.


As one of the most commonly used fasteners in the construction and decoration industry, black phosphate drywall screws are valued for their stable fastening performance, easy installation, and strong adaptability to different building materials. They are widely used by contractors, building material wholesalers, hardware distributors, and private label suppliers who require reliable bulk supply and consistent product quality.


The bugle head design allows the screw head to sit neatly into the drywall surface without tearing the paper layer excessively. The sharp point supports quick penetration, while the threaded body helps achieve firm engagement with wood studs, light steel studs, and other suitable substrates. Different thread types, lengths, and packaging methods can be selected according to project requirements and market preferences.

Key Features

  • Black Phosphate Finish: The uniform black or dark gray surface provides basic rust resistance and smooth installation performance, making the screws suitable for dry indoor environments and general interior construction.
  • Bugle Head Design: The bugle head helps the screw sit flush with the board surface, reducing surface protrusion and making later finishing, leveling, and putty work easier.
  • Sharp Point for Fast Penetration: The sharp point allows quick positioning and efficient driving, especially when used with electric screwdrivers or drywall screw guns.
  • Stable Thread Engagement: Coarse thread is commonly used for wooden studs and wood-based materials, while fine thread is more suitable for light steel studs and thin metal framing.
  • Reliable Installation Performance: The screws are designed for fast, continuous installation, helping improve work efficiency on construction sites and renovation projects.
  • Flexible Size Options: Different diameters, lengths, and thread types can be supplied according to project needs, market demand, or customer specifications.
  • Bulk Supply Ready: Suitable for building material wholesalers, engineering projects, hardware channels, distributors, and private label packaging programs.
  • Custom Packaging Available: Bulk packing, small box packing, carton packing, pallet packing, and private label packaging can be arranged based on order requirements.

Product Specifications

ItemDescription
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Product NameBlack Phosphate Drywall Screw
Common MaterialCarbon Steel
Surface TreatmentBlack Phosphate
ColorBlack / Dark Gray
Head TypeBugle Head
Drive TypePhillips Drive
Point TypeSharp Point
Thread TypeCoarse Thread / Fine Thread Available
Common ApplicationsDrywall fixing, gypsum board installation, light steel stud fixing, wooden stud fixing, interior construction
Size RangeAvailable according to order requirements
PackagingBulk packing, box packing, carton packing, pallet packing, or customized packaging
Suitable BuyersBuilding material wholesalers, hardware distributors, construction contractors, brand owners, cross-border sellers
CustomizationSize, packaging, carton mark, label, and private label options available
Specification (d × L)3.5 × 163.5 × 203.5 × 253.5 × 303.5 × 353.5 × 40
d (Thread Diameter, mm)3.53.53.53.53.53.5
L (Overall Length, mm)162025303540
b (Thread Length, mm)131722273237
D (Head Diameter, mm)7.07.07.07.07.07.0
k (Head Thickness, mm)1.81.81.81.81.81.8
Drive Recess TypePhillips (PH2)Phillips (PH2)Phillips (PH2)Phillips (PH2)Phillips (PH2)Phillips (PH2)
Driving ToolPhillips ScrewdriverPhillips ScrewdriverPhillips ScrewdriverPhillips ScrewdriverPhillips ScrewdriverPhillips Screwdriver

Applications

Black phosphate drywall screws are widely used in residential renovation, commercial interior construction, office partition systems, ceiling systems, gypsum board installation, drywall fixing, and lightweight panel assembly. They are especially suitable for projects that require quick fastening, stable holding power, and clean surface finishing.


For wooden stud structures, coarse thread drywall screws are commonly selected because they provide stronger grip in wood and wood-based materials. For light steel stud structures, fine thread drywall screws are often preferred because they can engage more smoothly with thin metal framing and provide stable fastening performance.


These screws are also suitable for interior contractors and decoration teams that require fast installation with power tools. Their sharp point and stable thread design help reduce installation time and improve worksite efficiency, especially in high-volume drywall installation projects.


For hardware wholesalers and building material distributors, black phosphate drywall screws are a practical product for regular inventory and repeat orders. Different lengths, packing quantities, printed boxes, shipping marks, and pallet arrangements can be prepared according to the target market and sales channel requirements.

Product Details


The bugle head structure is designed to help the screw sink neatly into the drywall surface during installation. This helps create a smoother surface for later finishing work such as putty application, sanding, and painting. Compared with ordinary flat head screws, the bugle head is better suited for drywall applications because it helps reduce damage to the board surface.


The Phillips drive is compatible with common construction tools and supports fast, continuous driving. This makes the screws suitable for both manual use and power tool installation. The sharp point helps the screw enter the board and framing material quickly, reducing slipping during positioning.


The black phosphate coating improves surface lubricity, which can make the screw easier to drive into the material. It also provides basic surface protection for indoor use. For humid, outdoor, or high-corrosion environments, alternative surface treatments may be more suitable depending on project requirements.


For bulk purchasing, buyers can choose different thread types, screw lengths, packaging formats, and carton quantities. For engineering projects, distribution channels, or private label sales, packaging details such as barcode labels, color boxes, inner bags, outer carton marks, and pallet packing can also be arranged.

Packaging and Supply Options


Black phosphate drywall screws can be packed in different ways to meet the needs of wholesalers, distributors, contractors, and retail channels. Common packaging options include bulk packing, small box packing, carton packing, and pallet packing.


For distributor and private label orders, customized packaging can help improve shelf presentation and brand recognition. Buyers may choose printed boxes, neutral cartons, customized labels, barcode stickers, or shipping marks according to their sales market.


For project-based purchasing, bulk packaging is often preferred for easier handling and cost efficiency. For retail and hardware store channels, small box packing or branded packaging may be more suitable.

Quality and Inspection

Quality control is important for drywall screws because installation performance depends on screw strength, thread consistency, surface finish, and dimensional accuracy. During production and supply, key inspection points may include appearance, head shape, drive recess, thread quality, point sharpness, surface treatment, and packaging condition.


A stable screw should drive smoothly, engage firmly with the substrate, and sit properly into the drywall surface. For large-volume orders, samples can be checked before bulk production to confirm size, thread type, surface finish, and packaging details.

Purchasing Tips


To receive a faster quotation or sample recommendation, please provide the required diameter, length, thread type, packaging method, estimated order quantity, and destination market. If the screws will be used with light steel studs, wooden studs, or a specific panel system, please also share the base material and installation tool requirements so that a more suitable specification can be recommended.


For private label or distribution orders, it is also helpful to provide packaging quantity, box design requirements, carton mark details, barcode requirements, and pallet loading preferences. This helps prepare a more accurate quotation and delivery plan.

FAQ

Q1: Are black phosphate drywall screws suitable for outdoor use?

Black phosphate drywall screws are more suitable for dry indoor environments. For humid, outdoor, or high-corrosion applications, a higher anti-corrosion surface treatment may be recommended.

Q2: How should I choose between coarse thread and fine thread?

Coarse thread is commonly used for wooden studs or wood-based materials, while fine thread is commonly used for light steel studs and thin metal structures.

Q3: Can the packaging be customized?

Yes. Bulk packing, box packing, carton packing, pallet packing, and private label packaging can be arranged according to order requirements.

Q4: What information is needed for a quotation?

It is recommended to provide diameter, length, thread type, packing quantity, order quantity, and target market for faster price and delivery confirmation.

Q5: Can I request samples before placing a bulk order?

Sample support can be discussed based on the required specification, quantity, packaging needs, and destination market.

Q6: Are different lengths available?

Yes. Different screw lengths can be supplied according to application needs and order requirements.

Get a Quote

Send us your required specifications, quantity, thread type, and packaging needs. We can provide sample support, specification recommendations, packaging suggestions, and bulk quotation options based on your purchasing scenario.