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WeiHao BrandBugle Head Phillips Drive Drill Point Drywall Scew
WeiHao BrandBugle Head Phillips Drive Drill Point Drywall Scew

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Quality/Safety Certification: 0.00


Drywall Screw (factory)
1.Material:C1022A
2.Black/Grey/ Color
3.Fine/Coarse Thread
4.Drill Point Bugle Head Phillips Drive

 Drywall Screw (Factory)

1)Products: Gypsum Screw ,Black /Grey Drywall Screw ,White/Bule zinc coated Drywall Screw

2)Feature: Bugle Head Phillips Drive Drill Point Drywall Screw

3)Finished: Black Phosphated, Grey Phosphated,Galvanized

4)Usage: widely used in gypsum board ,light steel joist and construction and so on

                        WEIHAO PRODUCTION STANDARD

                                                    -------------DRYWALL SCREW

    Drywall screw is also called wallboard nail. It is used for the connection of plasterboard and wooden keel and the connection of plasterboard and light steel keel.    There are four standards for manufacturing drywall screw.

                                              STANDARD 1

    The head of drywall screw must be round head (which is also round head screw common standard) a lot of manufacturers produce the drywall screw with the head may not be very round, some even slightly square because of production process level is low. The problem can bring a serious trouble: the drywall screw cannot match completely with the plasterboard after it is twisted into board, because it is not the concentric circle if the head is not round, so the head of drywall screw must be round circle.

                                           STANDARD 2

    The drilling point of drywall screw must be point and sharp especially when it is used for the light steel keel. The closed angle of drywall screw must be between 22 ~ 26 degrees. It is required that the pointed must be sharp at once it should not be cracking. The point of drywall screw is the most important, because when we use drywall screw, we do not make a precast hole at fist, drywall screw is screwing in directly, so the pointed of drywall screw has been undertaken the drilling function. According to the national standards, drywall screw must drill through 6 mm of iron plate within 1 second.

                                          STANDARD 3

    It should not be eccentric. It can bring the trouble that electric tools will be moving when drywall screw is screwing in, if the drywall screw is eccentric Phillips drive must be at the center of the round head, otherwise, it will be in the same situation above.

                                          STANDARD 4

    It must be straight. The thread part of drywall screw must be straight, if not, there will be in the same trouble situation as above.

We bring in foreign new project and screws standard production line and advanced production line of all kinds of machinery and test equipment and we manufactures m1-m6 the world of various standards screw, drywall screw, etc.

Quality Standard: our products are tested by Tianjin Technical Supervision Bureau and we issued Inspection Certification after the inspection reports.

Productive Technology: phosphate wire productive technology applied assures wire material can not be oxidized and they are even heating and not decarburization.

Productive Technology: the successive carburizing furnace with high power grid belt type heat treatment, production line and PLC program control system, continuous carburizing, carburized layers can reach 0.05 0.26 mm, accurate control of various production conditions, achieve the highest quality. Finished Productive Technology: surface phosphorus treatment. 

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