Achieving high precision and high efficiency processing with '6-blade' + 'unequal division'.
The GHI series is a reamer for cast iron and steel that achieves excellent roundness and superior flatness through optimal uneven division of cutting edges and six blades. It enables high-efficiency machining at high feed rates, contributing to reduced cycle times. In addition to the standard specifications, we offer Type T for thin-walled processing and Type R for through holes.
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basic information
【GHI Reamer】 General hole finishing processing Features: High precision processing due to 6-blade uneven division Setting diameter: from φ6 Standard conditions Cutting speed: V = 50–150 m/min Feed: f = 0.2–0.6 mm/rev Processing performance - Process diameter: IT7 grade precision - Roundness: less than 10 μm - Surface roughness: 12.5z 【GHI Reamer Type.T】 For thin-walled work processing Features: Low resistance processing due to right-hand twist Setting diameter: from φ6 to φ20 Standard conditions Cutting speed: V = 30–100 m/min Feed: f = 0.2–0.6 mm/rev Processing performance - Process diameter: IT7 grade precision - Roundness: less than 10 μm - Surface roughness: 12.5z 【GHI Reamer Type.R】 For through hole processing Features: Improved chip removal for through holes due to left-hand twist Setting diameter: from φ6 to φ20 Standard conditions Cutting speed: V = 30–100 m/min Feed: f = 0.2–0.6 mm/rev Processing performance - Process diameter: IT7 grade precision - Roundness: less than 10 μm - Surface roughness: 12.5z
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Applications/Examples of results
Finishing of holes in the differential case and connecting rods, etc.
Detailed information
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GHI Rima general hole finishing processing
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GHI Rima Type T Thin-walled Work Processing Use
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GHI Rima Type R for through hole processing
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Company information
Fujiseiko was founded in 1958 with the aspiration of "creating the finest precision tools in Japan (Fujiseiko)," following the German Meister system. Since then, we have contributed to the development of the industrial sector and local communities, albeit modestly, through our manufacturing in the field of precision tools. As a total engineering company that supports all aspects of work related to manufacturing sites to solve our customers' problems, we contribute to the advancement of manufacturing environments. While our main products and services are targeted at customers involved in metal parts processing, in recent years we have expanded our products and services using the technology and know-how we have cultivated for parts used in electrified vehicles (EVs, HEVs). - We propose solutions using our accumulated technology to address the unique needs and challenges of each customer. - We realize advanced manufacturing techniques and high-quality production through the fusion of the latest technology and skilled craftsmanship. - We carefully select and propose the best products from around the world, not limited to our own offerings. - We provide prompt support by being close to our customers' factories around the globe.