Binding screw with cross hole for embedded seat nut
This is a screw that incorporates a washer used to prevent loosening and to avoid the sinking of the seat surface. The screw threads are roll-formed with the washer in place, ensuring that the washer does not come off the screw. This eliminates the hassle of inserting the washer, prevents it from falling out, and helps improve work efficiency. The head is shaped like a combination of a pan and a truss, with a diameter about 1.2 times larger than that of a pan head screw of the same nominal size. It is sometimes used when the head diameter is too large for a truss. Like the pan head, it is a small screw that can be used widely. A typical example of its use is the fastening of wires inside a power plug.
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basic information
Material … Iron (equivalent to SWCH10R), stainless steel, brass, etc. Surface treatment … Chromate, unichrome, trivalent white, trivalent black, nickel, etc. Nominal diameter … M3 and above Embedded washers … Flat washers, spring washers, wave spring washers, external tooth lock washers, cup spring washers
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Applications/Examples of results
○To improve work efficiency! ・Prevention of forgetting to insert washers ・Elimination of the hassle of inserting washers ・Prevention of washers falling out ・Bulk procurement of screws and washers, etc.
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Company information
Our company manufactures and sells screws with integrated washers. The materials include iron, stainless steel, and brass, with sizes ranging from nominal diameter M2 to M16 and lengths up to 300L. We also handle various surface treatments, including non-chrome options. In addition to integrated screws, we accept orders for various rivets produced through cold forging, as well as rolling processing for supplied parts, and thanks to this, we produce 3 million screws daily. We have recently increased our equipment and relocated our manufacturing department to a new factory to further enhance our production capacity. Since our establishment in 1968, we have been recognized by our customers for our quick response to jobs of all sizes, making us a flexible company, and we have recently received an award for our quality as well. Please feel free to contact us.