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Also known as the upper screw tap, it has a spiral chip removal groove, and the chips can be smoothly discharged from the hole to the outside. It is suitable for blind hole tapping.
There are three spiral angles:
1. Spiral angle: 45 ° - 47 ° suitable for deep hole tapping.
2. The screw angle of 35 ° - 37 ° is suitable for tapping teeth in general situations, and the screw angle of about two degrees smaller for tapping stainless steel in general.
3. Spiral angle: about 20 °, generally made of powder high-speed steel, suitable for tapping with superhard materials.
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Auto parts, aerospace, mold, heavy industry, medical equipment, household appliances.
Dalian Heshe Trading Co., Ltd. is located in the Bohai Economic Belt, the economic center in the south of Northeast China, and the comprehensive industrial base of Dalian. It specializes in the sales and technical services of metal cutting tools and tool systems. We always regard improving the production efficiency, product quality and cost reduction of customers as the first priority. We analyze and understand the production process of customers, and provide customers with technical solutions and high-quality tool products suitable for various needs.
We always adhere to the purpose of "sincere cooperation, integrity first, sharing and sharing", and adhere to the service attitude of "professional, dedicated, efficient", and sincerely invite customers to reach a win-win situation with us.
Non standard tool design and production equipment strength
Our company has experienced professional tool designers and salesmen. According to different processing technologies, we can formulate an overall tool plan for customers, and work with tool manufacturers to ensure the feasibility of the process plan.
