Introduction to Long Screws for Building Materials

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last updated：Dec 11, 2023

望月螺旋

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We have started offering long screws for building materials!

Mochizuki Spiral Co., Ltd. provides long screws in the shapes desired by our customers, utilizing the technology we have cultivated over many years. While many reinforcements for tile roofs, walls, and floors were traditionally done with nails, we have enhanced our facilities to respond to the shift towards screws, including fine diameter long forging machines, fine diameter long rolling machines, and fine diameter long splitting machines. Please feel free to contact us with your requests. 【Suggestions】 ■ Forging (Header) - Maximize the head diameter as much as possible with features like seating and flat heads - Capable of lengths up to 130 mm, etc. ■ Rolling - We can propose various shapes - Capable of lengths up to 125 mm, etc. *For more details, please download the PDF or feel free to contact us.

Related Link - http://www.mrasen.com/

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basic information

【Other Proposals】 ■ Forging (Header) - Increase the size of the cross hole to enhance workability - An undercut is also possible for retaining the packing during installation ■ Rolling (Thread Rolling) - It is possible to apply knurling or similar processing to the blank part to achieve processing effects through rolling ■ Others - The tip of the screw can be cut - Length can be accommodated up to 125 millimeters - EPDM rubber can be assembled - Prevents cracking of the counterpart material during fastening and provides a sealing effect - EPDM is excellent in weather resistance, heat resistance, and resistance to acids and alkalis *For more details, please download the PDF or feel free to contact us.