QUALITY SYSTEM
Certified company and product quality
We guarantee the quality of the company and its products through rigorous selection of raw materials, constant checks of the entire production system, and obtaining certifications. Our quality is also evident in the careful service we offer our customers and the reliability of our products.
CE & ISO9001 CERTIFICATION
demonstrates our ability to meet customer expectations comprehensively and consistently.Our focus on organisational efficiency, in accordance with high international standards, allows us to minimise waste, avoid errors and increase productivity, without compromising on quality.
Laboratory

KATSUHANAis equipped with all the necessary equipment to conduct control the quality, finished products, semi-finished products and production equipment. Some of the reports we can offer our customers.
Material Test Report
Inspection Report
Salt Spray Test
Drill Speed Report
Salt Spray Tester
Measuring equipment
It is the Key to Superior Screw Quality
In the screw industry, quality is built on a commitment to every detail. From raw material selection and process control to final inspection, the stability and accuracy of equipment play a critical role. Only by relying on high-performance, precision manufacturing and inspection equipment can we ensure that each screw meets consistent dimensional accuracy, strength, and durability—fulfilling the demands of high-standard industries.We fully understand that the quality of equipment directly impacts the quality of the final product.
Projector
Rockwell Hardness Tester
Metallographic Cutter
Grinding/Polishing Machine
Wobble Gage
Screw Drilling Tester