Wholesale China Black Allen Set Screw Factories Exporter – Black Phosphate Bulge Head Drywall Screw – Haosheng

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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" plus the theory of "quality the basic, have faith in the main and management the advanced" for Black Hex Bolt 4.8 , ANSI B18.2.1 Bolts , Heavy Hex Bolts , Hope we are able to produce a far more superb long term with you by our efforts from the foreseeable future.

Wholesale China Black Allen Set Screw Factories Exporter – 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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We not only will try our greatest to present fantastic expert services to each purchaser, but also are ready to receive any suggestion offered by our prospects for Wholesale China Black Allen Set Screw Factories Exporter – Black Phosphate Bulge Head Drywall Screw – Haosheng , The product will supply to all over the world, such as: Russia, Brasilia, Poland, We guarantee that our company will try our best to reduce customer purchase cost , shorten the period of purchase , stable merchandise quality , increase customers' satisfaction and achieve win-win situation .

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We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.