For many years the use of mechanical straight threaded couplers to joint reinforcing bars has been regarded as a means of reducing the use of long bars. Engineers and contractors now recognize the benefits of using couplers to accelerate the speed of construction, increase productivity and simplify design details.
for example: 42.7mm of d29a must NOT be accepted.it must be over 43.0mm !!!
M13 * 1.5P
M16 * 2.0P
M20 * 2.5P
M22.5 * 2.5P
M25.5 * 3.0P
M29.5 * 3.5P
M32.5 * 3.5P
M36 * 4.0P
Packing and Shipping
ADTO Industrial Group, Co., Limited, founded in 1998, ADTO is a leading building material supplier and manufacture in China, centering on R&D, producing and selling of building material of scaffolding, aluminum formwork, fastener and coupler, integrates business of steel, logistic and wire & cables service. The group has more than 10 subdivisions and four manufacturing bases, possessing the right to import and export with business coverages spanning over more than 50 places and areas. Over 5000 international big buyers keep ADTO as their long term business partner.
1. Experience: Founded in 1998, more than 17 years in construction materials manufacturing
2. Product Idea: Quality decided to safety, safety is the hard truth.
3. Certifications: ISO, CE, SGS, BV
4. Production base: Four factories, more than 400,000 square meters