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Rainbow M4 high precision bolt making machine

Rainbow M4 high precision bolt making machine

  • Model RBF-44S Unit
  • Forging station 4 No.
  • Forging force 20000 KGS
  • Max cut-off dia 5 MM
  • Max cut-off length 55 MM
  • Speed range 300 PCS/MIN
  • P.K.O stroke 10 MM
  • K.O.stroke 45 MM
  • Main slide stroke 100 MM
  • Main motor 7.5 KW
  • Punch die size 20*35L MM
  • Main die size 38*60L MM
  • Cut-off-die size 30*45L MM
  • Die pitch 48 MM
  • Weight 4500 KG
  • Normal bolt Dia. 2-4 MM
  • Shank length of blank 10-40 MM
  • Mechanical dimensions 250*150*125 CM

http://Overall, multi-station cold heading machines offer several benefits that enhance efficiency and quality in the production process. They are a great investment for industrial users who want to improve productivity and save costs while ensuring consistent, high-quality parts.


Our company comes from China National Machinery Import and Export Corp. Harbin branch. By many years market development and experience accumulation,now we have became the biggest Chinese fastener equipment dealer and turnkey consultants of fasteners manufacturing project for abroad customers. We are supplying high quality and reliable machines for the entire fastener industry with our professional and timely after sale service,our main products include wire drawing machine,Bolt Maker, Nut Maker, Part Former, Heading Machine, Thread Rolling Machine and Mesh Belt Furnace. We have established reputation in countries such as India, US, Europe and Southeast Asia where we have core customer bases. Meanwhile, we are well respected by the domestic factories and the customers in the mechanical and electrical business. We have the confidence, backed by our professional knowledge and experience in the mechanical and electrical business, to develop the foreign markets for our home enterprises and to open up the Chinese markets for the companies abroad.https://www.fastenerequipmentsupplier.com/yunsin/index.php

Harbin Rainbow Technology Co., Ltd.


Contact Person:Zoe Jia

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