幸伸 List of Products and Services

At Koshin Co., Ltd., we handle "Auto Clean Filters." An Auto Clean Filter is a filtration device that has the capability to automatically clean itself. Regular filters tend to clog over time, requiring periodic maintenance or replacement, but the Auto Clean Filter automates this process, allowing for the maintenance of filter performance and significantly reducing maintenance work. Koshin Co., Ltd. offers three standard types of filtration fluids: T-type, O-type, and L-type, and we can provide suggestions tailored to your specific situation. <Features> ■ Manufactured in-house ■ Can be installed on industrial machinery, machine tools, etc. ■ Significantly reduces maintenance burden ■ Available in three standard types of filtration fluids: T-type, O-type, and L-type *For more details, please refer to the related links or feel free to contact us.

• Filtration Equipment

At Koshin Co., Ltd., we handle "special fasteners (special items)." The necessary parts vary for each customer, and we can accommodate needs such as "I want a bolt with a special shape," "I want a bolt that is slightly different from the standard," or "I want just one special bolt." Depending on the content, we also propose manufacturing methods such as forging and machining to contribute to cost reduction. Please feel free to contact us with your requests. 【For these kinds of problems】 ■ I want a bolt with a special shape ■ I want a bolt that is slightly different from the standard ■ I want just one special bolt *For more details, please refer to the related links or feel free to contact us.

• Other machine elements

At Koshin Co., Ltd., we provide "heat treatment and surface treatment." For procurement professionals, heat treatment and surface treatment can be troublesome. Our company utilizes a nationwide network to handle subsequent processes as well, delivering finished products. Please feel free to contact us when you need our services. 【Product Overview】 ■ Industry: Industrial machinery, construction machinery, machine tools, automobiles, shipbuilding, aircraft, transport machinery, precision machinery, medical devices, steel structures and bridges, plants, etc. ■ Types: Quenching and tempering, nitriding, plating, and others *For more details, please refer to the related links or feel free to contact us.

• Processing Contract

At Koshin Co., Ltd., we offer "complex shape processed products and cast products." We can handle processing that is not straightforward, including products referred to as complex shapes. We are also capable of processing cast products that can be challenging for processors. Additionally, we accept orders including casting, so please feel free to reach out to us. 【Product Overview】 ■Industry: Industrial machinery, construction machinery, machine tools, automobiles, shipbuilding, aircraft, transport machinery, precision machinery, medical devices, steel structures/bridges, plants, etc. ■Size: From small to extra-large sizes ■Type: Round/Rectangular/Others ■Material/Strength: Iron/Stainless Steel/Aluminum/Cast/Others *For more details, please refer to the related links or feel free to contact us.

• Processing Contract
• Contract manufacturing

Koshin Co., Ltd. offers "laser and bending processed parts." We perform sheet metal processing, including laser cutting and bending, and we can also bend pipes in addition to sheets. You can trust us with everything from loose tolerances to precision sheet metal. 【Product Overview】 ■ Industry: Industrial machinery, construction machinery, etc. ■ Size: From small to extra-large sizes ■ Type: Round/rectangular/others ■ Material/Strength: Steel/stainless steel/others *For more details, please refer to the related links or feel free to contact us.

• Processing Contract
• Contract manufacturing

Koshin Co., Ltd. offers "welded parts." We can accommodate materials such as iron and stainless steel, ranging from small to extra-large sizes. Our products are aimed at industries including industrial machinery, construction machinery, and shipbuilding. You can also trust us with complex processed products, such as those that require machining on a lathe after welding. 【Product Overview】 ■Industry: Industrial machinery, construction machinery, shipbuilding, etc. ■Size: From small to extra-large sizes ■Type: Round/Rectangular/Others ■Material/Strength: Iron/Stainless steel/Others *For more details, please refer to the related links or feel free to contact us.

• Processing Contract
• Contract manufacturing

At Koshin Co., Ltd., we offer "gear machined products." While conventional mass production cutting can sometimes be expensive, in such cases, we can propose special manufacturing methods such as the Waring method. Please feel free to contact us when you need our services. 【Product Overview】 ■Industry: Industrial machinery, construction machinery, machine tools, automobiles, aircraft, transport machinery, precision machinery, medical devices, etc. ■Size: From small to extra-large sizes ■Type: Worm gears/wheel gears/gear machining ■Material/Strength: Iron/stainless steel/plastics *For more details, please refer to the related links or feel free to contact us.

• gear
• Processing Contract
• Contract manufacturing

At Koshin Co., Ltd., we provide "precision machined products." To meet the needs of our customers' products, we can achieve precision levels of approximately 1 to 10 microns. While we sometimes utilize grinding machines, there are cases where we can achieve micron-level precision through cutting, resulting in cost reductions by eliminating the need for polishing. Please feel free to contact us when you need our services. 【Features】 ■ Capable of precision levels of approximately 1 to 10 microns ■ Achieving cost reductions by eliminating polishing *For more details, please refer to the related links or feel free to contact us.

• Processing Contract
• Contract manufacturing

At Koshin Co., Ltd., we offer "small lot processed products." Using traditional general-purpose lathes and other equipment, we carefully process each item, regardless of size. Of course, we also welcome so-called "one-of-a-kind" items. Please feel free to contact us when you need our services. 【Product Overview】 ■ Industry: Industrial machinery, construction machinery, machine tools, automobiles, shipbuilding, aircraft, transport machinery, precision machinery, medical devices, steel structures/bridges, plants, etc. ■ Size: From small to extra-large ■ Type: Round/Rectangular/Others ■ Material/Strength: Steel/Stainless Steel/Aluminum/Cast Iron/Others *For more details, please refer to the related links or feel free to contact us.

• Processing Contract
• Contract manufacturing

At Koshin Co., Ltd., we offer "mass-produced processed products." The mass-produced processed products used in our products generally require production capabilities ranging from about 100 units per month to tens of thousands of units per month, as seen with automotive parts. We utilize processing methods such as lathes and machining centers to provide these mass-produced items just in time. Occasionally, we may also contribute to our customers through inventory management or value engineering proposals. 【Product Overview】 ■ Industry: Industrial machinery, construction machinery, machine tools, automotive, shipbuilding, aerospace, transport machinery, precision machinery, medical devices, steel structures and bridges, plants, etc. ■ Size: From small to extra-large sizes ■ Type: Round/Rectangular/Others ■ Material/Strength: Steel/Stainless steel/Aluminum/Cast iron/Others *For more details, please refer to the related links or feel free to contact us.

• Processing Contract
• Contract manufacturing

At Koshin Co., Ltd., we offer products made of rubber and resin, as well as seals and O-rings for metal components. These can be used for both product and equipment applications. Our offerings cater to industries such as precision machinery, medical devices, steel structures and bridges, and plants. Please feel free to contact us if you have any inquiries. 【Industries】 ■ Industrial machinery, construction machinery, machine tools, automobiles, shipbuilding, aircraft, transport machinery, precision machinery, medical devices, steel structures and bridges, plants, etc. *For more details, please refer to the related links or feel free to contact us.

• Rubber
• Other machine elements

At Koshin Co., Ltd., we handle "flanges" that connect piping. We cater to various industries, including industrial machinery, construction machinery, machine tools, shipbuilding, transportation machinery, precision machinery, steel structures and bridges, and plants. Please request a wide variety of flanges, from mass-produced standard products to special items using flanges. 【Product Overview】 ■ Industries: Industrial machinery, construction machinery, machine tools, shipbuilding, transportation machinery, precision machinery, steel structures and bridges, plants, etc. ■ Material/Strength: Steel/Stainless Steel/Others *For more details, please refer to the related links or feel free to contact us.

• Other machine elements

At Koshin Co., Ltd., we handle "piping materials and fittings." From large equipment to buildings, piping materials and fittings are also an indispensable presence. Our company offers a wide range of piping materials, from standard products to precision-specialized items. Please feel free to contact us if you have any requests. 【Product Overview】 ■ Industry: Industrial machinery, construction machinery, machine tools, automobiles, shipbuilding, aircraft, transport machinery, precision machinery, medical devices, steel structures and bridges, plants, etc. ■ Size: From small to large sizes ■ Types: Piping/Fittings/Valves/Flanges/Others ■ Materials/Strength: Steel/Alloy steel/Stainless steel/Aluminum/Plastic/Others *For more details, please refer to the related links or feel free to contact us.

• Pipe Fittings

At Koshin Co., Ltd., we handle "machine keys (parallel keys)." These products play an important role in efficiently transmitting the rotation of the shaft to the gears. Our company has internalized the manufacturing of these machine keys, achieving further improvements in QCD (Quality, Cost, Delivery). We can accommodate sizes from small to large. Please feel free to contact us if you have any requests. 【Product Overview】 ■ Industry: Industrial machinery, construction machinery, machine tools, transport machinery, precision machinery, medical devices, etc. ■ Size: From small to large sizes ■ Material/Strength: Iron/Stainless steel/Others *For more details, please refer to the related links or feel free to contact us.

• Other machine elements

At Koshin Co., Ltd., we handle "special fasteners (special products)." The necessary parts vary for each customer, and we can accommodate needs such as "I want a bolt with a special shape," "I want a bolt that is slightly different from the standard," or "I want just one special bolt." Depending on the content, we also propose manufacturing methods such as forging and cutting, contributing to cost reduction. Please feel free to contact us with your requests. [For these kinds of problems] ■ I want a bolt with a special shape ■ I want a bolt that is slightly different from the standard ■ I want just one special bolt *For more details, please refer to the related links or feel free to contact us.

• Other machine elements

At Koshin Co., Ltd., we handle "fasteners (general standard products)." They are important yet often overlooked, serving as the unsung heroes in machinery and other applications. No matter how advanced industry becomes, they are referred to as the "salt of industry," essential for constructing machines. Through years of history, our company has achieved low-cost and stable supply by directly dealing with various bolt and nut manufacturers. 【Features】 ■ Unsung heroes in machinery and other applications ■ Essential for constructing machines, known as the "salt of industry" *For more details, please refer to the related links or feel free to contact us.

• Other machine elements