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Drywall Screw Black Phosphated Phillips Bugle Head Gypsum Screw

Product Details

Model NO. : Drywall Screw

Standard : DIN18182, To Drawing

Size : 3.5 / 3.9 / 4.2mm, Length:16–100mm

Material : Carbon Steel, Stainless Steel

Finish : Galvanized,Black Phosphated, Gray Phosphated,Customized

ODM/OEM : Available

Packaging & Shipping

Sample : Free(not include shipping)

PACKAGING : Bulk Pack | Small Boxed

PRICE TERMS : FOB/CFR/CIF/DDP/DAP

Description Specification Related Products Form

Description

Black Phosphated Phillips Bugle Head Drywall Screw from factory for fasten gypsum board for interior wall and ceiling construction.Carbon steel of material.

Black Phosphated Drywall Screw

Black phosphated bugle head drywall screw with cross recess, sharp tip and fine thread, widely used to fasten gypsum board for interior wall and ceiling construction.

Main Features:
• Bugle head design avoids tearing gypsum board surface during installation.Black phosphated bugle head drywall screw
• Cross recess drive for stable and convenient screwdriver operation.
• Black phosphated surface treatment, anti-rust and wear-resistant.
• Sharp tip and fine thread, easy to penetrate gypsum board quickly.
Core Advantages:
• The trumpet-shaped head sinks smoothly without damaging the wall panel.
• High thread holding force, firm connection and not easy to loose.
• Phosphating layer improves friction performance, reduces driving torque.
• Uniform size, stable quality, suitable for mass construction work.
Common Application Scenarios:
•  Indoor Decoration: Fixing gypsum board partition walls and ceiling keels to thick wooden battens
• Wooden Furniture: Assembly of solid wood thick boards, plywood and MDF furniture frames
• Display Cabinets: Splicing thick wood panels for display stands and commodity cabinets
• Door & Window Works: Fastening wooden backing strips and wooden window frame accessories for interior wooden doors
• Wood Structure Engineering: Installation of light wood house keels and thick wood lining boards
• Packaging & Storage: Reinforcement of heavy wooden cases and thick wood materials for storage pallets
What are the key advantages of choosing Qewitco?
1. British-owned, Qingdao-based— run under British management with international quality standards. Western business integrity meets competitive Asian manufacturing.

2. 20+ years since 2004— proven track record supplying distributors, manufacturers & engineering firms across Europe, North America & Southeast Asia.

3. Stringent Quality Assurance — Fully certified to ISO, CE and other international certificates. Our products are produced in accordance with DIN, JIS, GB, BS, ANSI and other global industry standards.

4. Support for OEM/ODM—custom sizes, materials, surface treatments, logos and packaging for personalized requirements.
5. Dedicated account manager— custom packaging and integrated logistics, delivering straight from factory to your warehouse.
6.Direct from the Factory—Significant Price Advantages
7. Fast delivery — most sizes in stock;
FAQ：
Q: Fine thread vs coarse thread drywall screws?
A:Fine-thread drywall screws have more threads per inch, better for thin metal substrates; coarse-thread ones have deeper threads, hold better in wood base materials.
Q:Coarse vs fine thread drywall screws?
A:Choose coarse-thread drywall screws for wooden studs; select fine-thread ones when fastening to thin steel studs.
Q: Tomillo rosca fina
A:Tomillo rosca fina se refiere a tornillos de rosca fina, con mayor número de hilos por pulgada, ideal para sustratos metálicos delgados.
Q: What’s your quality control process?
A: We enforce a rigorous QC system, including third-party lab testing when required, to certify that all goods meet contractual and regulatory standards.
Q: Can we customize the production? 
A: Yes,we can make mold to produce,you only send us your request with detailed drawings or photos, then we will make the quotation for you accordingly.(Supports OEM And ODM )

Specification

Gauge
Coarse P
d2
d1Max
d1Min
Recess No
3.5
2.82
8.5
2.35
2.05
2
3.9
2.82
8.5
2.5
2.2
2
4.2
3.18
8.5
2.85
2.55
2
4.8
3.18
9.4
3.35
3.05
2
Gauge
Fine P
d2
d1Max
d1Min
Recess No
3.5
1.5
8.5
2.3
2
2
3.9
1.5
8.5
2.55
2.25
2
4.2
1.7
8.5
2.8
2.5
2
4.8
2.1
9.4
3.35
3.25
2

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