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Ojiyas Screw Threads
Parallel Thread Specifications
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G ISO-based JIS
Ojiyas Parallel Pipe Threads (G) specified in JIS are used to connect fluid equipments, plumbing parts, pipes where density resistance is unnecessary in their mechanical connection. Limit gauges for parallel pipe threads (G) are used for inspecting the dimension of such threads.
PF Conventional JIS
Ojiyas Parallel Pipe Threads (PF) specified in JIS are used to connect fluid equipments, plumbing parts, pipes where density resistance is unnecessary in their mechanical connection. Limit gauges for parallel pipe thread (PF) are used for inspecting the dimension of such the threads.
The screw threads have two classes of class A and class B. There are gauges for inspection and production use. However, class A and class B are common for GO sides (plug/ring) of gauges only.
Ojiyas (Ojiya Seiki Co., Ltd.) manufactures high quality thread gauge, measuring gauges and various inspection jigs. The company pursues a high level of precision manufacturing technologies and measurements to produce high quality products. Ojiyas products are widely used in various industries – automotive, aerospace, bicycle etc.
Ojiyas gauges undergo heat treatment to attain maximum hardness and increase its resistance to corrosion.
Sub-zero treatment of gauges changes the phase structure and improves the gauge’s quality and performance. Ojiyas gauges undergoes professional sub-zero treatment for better wear resistance & dimensional stability.
You can find out more about the complete Ojiyas range of products by viewing the Ojiyas Catalog on our support page. LFC is the authorized distributor for Ojiyas in Singapore and Indonesia. Contact us if you wish to discuss your gauging applications further.