Wholesale China Fully Threaded Allen Set Screw Factory Exporters – Black Phosphate Bulge Head Drywall Screw – Haosheng

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The customer satisfaction is our primary target. We uphold a consistent level of professionalism, quality, credibility and service for Cylindrical Hexagonal Screw , High Tensile bolt , BLACK Screw , With the eternal goal of "continuous quality improvement, customer satisfaction", we are sure that our product quality is stable and reliable and our products are best-selling at home and abroad.

Wholesale China Fully Threaded Allen Set Screw Factory Exporters – Black Phosphate Bulge Head Drywall Screw – Haosheng Detail:

Products name	Drywall Screw
Material and thread	Material :1022A Fine or coarse thread/Full thread and half thread Sharp point or drill point
FINISHING	Black Phosphated , Grey Phosphated, Blue-white zinc , White zinc
Lead time	30-60days
Free Samples for standard fastener

Drywall Screws inch standard specifications as follows
Size #6, #7, #8, #10 with the thread out diameter 3.5mm, 3.9mm, 4.2mm and 4.8mm
Length from 5/8″ up to 6″ (equals 16mm to 152mm including head)

Sizes of Drywall Screw

Nominal	Head diameter	Lead (P)	Outer diameter of thread (d)
#6 M3.5	8.14 8.50	2.80	3.40 3.70
#7 M3.9	8.14 8.50	2.80	3.70 4.00
#8 M4.2	8.14 8.50	3.20	4.00 4.30
#10 M4.8	8.14 8.50	3.20	4.65 4.95

Applications

oCoarse Thread Drywall Screws ：Coarse-thread drywall screws work best for most applications involving drywall and wood studs. But the wide threads are good at gripping into the wood and pulling the drywall against the studs.
oFine Thread Drywall Screws：Fine-thread drywall screws are best for installing drywall to metal studs. But coarse threads have a tendency to chew through the metal, never gaining proper traction. Fine threads work well with metal because they are self-threading.

We have more than 20 years experiences on fasteners. We are a typical China factory.
We are professionally exporting under the standards of DIN, JIS, GB, ANSI, and BS, as well as nonstandard fasteners. Now we have gained close cooperation with clients from Russia, Iran, Europe, and America, and won good comments from users.

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To create much more price for clients is our company philosophy; purchaser growing is our working chase for Wholesale China Fully Threaded Allen Set Screw Factory Exporters – Black Phosphate Bulge Head Drywall Screw – Haosheng , The product will supply to all over the world, such as: Victoria, Bangladesh, Norway, Our Company has qualified engineers and technical staff to answer your questions about maintenance problems, some common failure. Our product quality assurance, price concessions, any questions about the items, Be sure to feel free to contact us.

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The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!