Tapping thread forming phillips drive dome head screws manufacturer in China. To form a close-fitting thread that will not be loose afterwards, roll-forming requires a lobed tool rather than a constant diameter cylindrical tool. This is particularly the case when the tool and the fastener are the same, such as for a screw. A lobed or polygonal form allows residual compressive stresses from the forming parts of the thread to be relieved in the undercut clearance between the lobes. In conjunction with a thread profile with sharp arrises, a three-lobed thread of this form is the basis of the well-known Tapping screws.
Modern screws employ a wide variety of drive designs, each requiring a different kind of tool to drive in or extract them. The most common screw drives are the slotted and Phillips in the US; hex, Robertson, and Torx are also common in some applications, and Pozidriv has almost completely replaced Phillips in Europe. Some types of drive are intended for automatic assembly in mass-production of such items as automobiles. More exotic screw drive types may be used in situations where tampering is undesirable, such as in electronic appliances that should not be serviced by the home repair person.
Yuhuang is well known for the capabilities to manufacture custom screws. Our screws are available in a variety or grades, materials, and finishes, in metric and inch sizes. Our highly skilled team will work closely with customers to provide solutions. Contact us or submit your drawing to Yuhuang to receive a quotation.
Tapping thread forming phillips drive dome head screws | Catalog | Self tapping screws |
| Material | Carton steel, stainless steel, brass and more | |
| Finish | Zinc plated or as requested | |
| Size | M1-M12mm | |
| Head Drive | As custom request | |
| Drive | Phillips, torx, six lobe, slot, pozidriv | |
| MOQ | 10000pcs | |
| Quality control | Click here see screw quality inspection |
| Sems screw | Brass screws | Pins | Set screw | Self tapping screws |
| Machine screw | Captive screw | Sealing screw | Security screws | Thumb screw | Wrench |
Yuhuang is a leading manufacturer of screws and fasteners with a history of over 20 years. Yuhuang is well known for capabilities to manufacture custom screws. Our highly skilled team will work closely with customers to provide solutions.
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