The "DELTITE" screw developed by Crown Precision Industries has obtained a new patent in Japan last year. The product is applying for patents in 11 countries around the world, and the company is strengthening its intellectual property rights strategy overseas.
The product was patented and sold for the first time in 1976. Now it has become the company's main product. This time it has been patented for the third time. The patent number is "5770399". The invention name is "Self-drilling screw and its manufacture. Method, the patent will last until 2035.
DELTITE is a self-drilling forming screw with a chamfer for guiding at the front end of the thread and a spoon-shaped recess at three places on the circumference to form a female thread through plastic working. Features include:
1. There is no need to attack the female thread, so the cost is greatly reduced.
2. Low driving torque and high workability.
3. High retention, no shock or shock.
4. Reduce cutting dust.
5. Can be interchanged with small screws.The company is also strengthening the sale of its own special slot head screw "CROSS FIRM", which prevents the drill bit from slipping out when the lock is tightened.
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