No need for parts or tools like lock nuts and torque wrenches! Injecting "inorganic grout" with excellent fire resistance.
The "Nutless Joint" is a type of joint primarily used for columns and beams in construction. It is a type that injects inorganic grout with excellent fire resistance. By simply injecting the dedicated inorganic grout, joint performance can be ensured. No parts or tools such as lock nuts or torque wrenches are required, making the assembly work easy, and it can be installed by anyone who has completed the skill training, without the need for skilled workers or craftsmen. 【Features】 ■ Mainly used for columns and beams in construction ■ No need for lock nuts, speeding up the joining process and eliminating the need for tightening management ■ Less affected by weather, supporting shortened construction periods ■ Supports improved work efficiency using easy-to-handle simple tools ■ Can be installed by anyone who has completed the skill training, without the need for skilled workers or craftsmen ■ Injects fire-resistant "inorganic grout" *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Specifications (Partial)】 < Coupler > ■ Type of Rebar: SD345 to SD490 ■ Rebar Designation: D19 to D51 ■ Material and Relevant Standards: FCAD 1200-2 (JIS G 5503) ■ Yield Strength: 900 N/mm² or more ■ Tensile Strength: 1200 N/mm² or more ■ Elongation: 2% or more ■ Hardness: HB 341 or more *For more details, please refer to the PDF document or feel free to contact us.
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Applications/Examples of results
【Usage】 ■Columns and beams of buildings *For more details, please refer to the PDF document or feel free to contact us.
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Company information
Ito Steel Works Co., Ltd. has contributed to society through various types of rebar production since its founding in 1937. In particular, the "ONICON" brand, introduced in 1962, has received high praise from customers as a standard brand of high-strength deformed steel bars. Currently, we do not rest on our laurels but adhere to our corporate philosophy of "manufacturing and supplying products that meet customer quality requirements under a stable quality system, regardless of the environment." With our high technical capabilities, excellent facilities, and unique quality management system, we respond to our customers' diverse needs. We are also working to improve recycling technologies for valuable resources such as scrap metal while reforming production equipment to create high-quality, valuable products and streamlining manufacturing processes. As a company loved by society, we will continue to advance with creativity, technology, and passion to contribute to the development of the industry.