キッツメタルワークス List of Products and Services

■Manufacturing Low CO2 Products Our company is working to reduce CO2 emissions by switching to CO2-free electricity, using carbon-neutral gas, and reviewing manufacturing facilities. We manufacture low CO2 products at a factory that has achieved a reduction of over 95% in annual CO2 emissions (compared to fiscal year 2013). ■Product Development with Reduced Environmental Impact Substances We are actively developing products that reduce environmental impact substances such as lead and cadmium, and we offer products that comply with lead regulations for drinking water and RoHS and ELV directives in various countries. ■Efforts in Resource Recycling Our main product, brass rods, is primarily manufactured using recycled scrap to effectively utilize limited resources. We are also researching and developing recycling technologies to improve recycling rates. *For more details, please download the PDF or feel free to contact us.*

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This document introduces basic knowledge about brass rods. It includes explanations of terms related to copper alloys, types and uses of brass rods, manufacturing methods, dezincification corrosion, erosion and corrosion, among others. This serves as a beginner's guide to the fundamental knowledge of brass rods. We encourage you to read it. 【Contents】 ■ Explanation of terms related to copper alloys ■ Types and uses of brass rods ■ Manufacturing methods ■ Dezincification corrosion ■ Erosion and corrosion ■ Stress corrosion cracking *For more details, please refer to the PDF document or feel free to contact us.

• Other metal materials

"ECO BRASS" is an eco-friendly material that is lead-free and has achieved excellent machinability without the addition of lead, taking into consideration both people and the planet. It is a high-performance material that, while being high-strength, excels in machinability such as cutting, forging, and casting, and also solves issues related to stress corrosion cracking and dezincification corrosion. It boasts a cumulative sales record of over 300,000 tons and a monthly output of 3,500 tons, all lead-free. Additionally, it complies with various environmental regulations, including RoHS and ELV directives, as well as JWWA standards (Japan Water Works Association standards), allowing for safe and reliable use across various fields beyond just copper alloy products. 【Applications】 ■ High-strength components related to EVs and FCVs. Bearings and sliding parts. ■ Water faucets and various fitting parts as a substitute for bronze. 【Features】 ■ High strength, excellent machinability, high corrosion resistance, and wear resistance. ■ Compliant with RoHS directive, ELV directive, and JWWA standards. ■ Can be processed into various shapes, allowing for products tailored to customer needs. ■ Does not contain environmentally harmful substances. ■ Enables miniaturization and thinning of parts, expanding design possibilities. ■ Exhibits excellent corrosion resistance and wear resistance. ■ Possesses excellent antibacterial properties. *For more details, please refer to the PDF document or feel free to contact us.

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Our wholly-owned subsidiary, Hokuto Giken Kogyo Co., Ltd., provides a comprehensive range of services from metal cutting and brazing to heat treatment. We can perform cutting while taking into account thermal expansion due to brazing in advance, which helps reduce defective products. Furthermore, there is no need to change vendors for each process, contributing to a reduction in management workload. We own burner brazing machines and furnace brazing machines, allowing us to propose brazing methods suitable for product shapes, quantities, and combinations of base materials. 【Features】 - Supports lead-free brass cutting - Extensive experience in cutting and brazing for faucet fittings, air conditioning parts, and more - Capable of cutting while anticipating thermal expansion during brazing, acid etching shrinkage, and dimensional changes due to plating *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Processing Contract
• Contract manufacturing

The "Assist Hook II" is a non-contact item made from lead-free brass "Eco Brass(R)" that has antibacterial properties and prevents discoloration due to oxidation. The hook part can be used to hold onto train straps, and it also allows for door opening and closing. It comes with a touch rubber that enables operation of elevator buttons and smartphone screens. Additionally, by attaching a separately sold genuine leather strap, it can be easily stored and carried, and it can be used as a fashionable item. 【Features】 ■ Made from lead-free brass, widely used in household water meters ■ Suitable as corporate novelty items ■ Body size: Height 8cm × Width 4cm *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Other safety and hygiene products

The "Assist Hook II" is a non-contact item suitable for a new lifestyle, developed in collaboration with Guild Design, a company with a strong sales track record. It uses "Eco Brass(R)," an environmentally friendly, lead-free material with high antibacterial properties, commonly used in household water meters. In addition to the hook function for opening and closing doors and for train handrails, it also features a touch rubber function for elevator buttons and LCD screen operations. 【Features】 ■ Touch rubber function ■ Made with "Eco Brass(R)," a super antibacterial copper alloy material ■ Hook function for opening and closing doors and for train handrails ■ Comes with a genuine leather belt for storage and portability (sold separately) *For more details, please refer to the related link page or feel free to contact us.

• Other safety and hygiene products
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The company has its own production bases in two locations: Yamanashi Prefecture and Nagano Prefecture. It has established a consistent production system ranging from the cutting processing of various copper alloy bars, such as brass and bronze bars, to furnace brazing using a non-oxidizing furnace and burner brazing. Yamanashi Factory (Hokuto City) - Cutting processing + Furnace brazing processing + Assembly Minowa Business Office (Minowa Town) - Burner brazing processing We have installed wastewater treatment facilities for the cooling water used in burner brazing processing and are actively working to reduce environmental pollutants. By providing environmentally friendly products and promoting business activities, we aim to be a company trusted by society. *For more details, please feel free to contact us.

• Water treatment equipment
• Pipe Fittings
• Processing Contract

KEEPALLOY's "ZC Metal/RC Metal" is a high corrosion-resistant brass rod for forging that achieves resistance to dezincification corrosion through a specified heat treatment after hot forging. 【Features】 - Complies with the EU RoHS II directive. - Meets the NSF/ANSI 61 standards related to the U.S. Safe Drinking Water Act. - Conforms to ASTM B967 C49300. - Exhibits excellent machinability and hot forgeability. - Demonstrates outstanding resistance to dezincification corrosion. JIS H3250 C6803BD-FRD (ZC Metal) JIS H3250 C6804BD-FRD (RC Metal) - Shows excellent resistance to stress corrosion cracking. This catalog also presents the performance ranges for "ZC Metal" and "RC Metal" for each shape. *You can view the product catalog and technical documents from the "PDF Download" link below.

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• Other metal materials

KEEPALLOY's "ZN Metal/RN Metal" is a product that possesses cutting and forging properties comparable to JIS free-cutting brass rods and forged brass rods. It maintains a certain level of machinability while keeping lead content below 0.01-0.09%, and is a lead-free and cadmium-free brass rod compliant with RoHS directives. 【Features】 - Material compliant with EU RoHS II directives. - Material corresponding to ASTM B967 C49255. - Material with ultra-free-cutting properties. - Exhibits excellent forgeability. - Demonstrates outstanding mechanical properties. This catalog includes detailed data such as the "machinability index" and "cutting chips from peripheral cutting tests" that confirm the "ultra-free-cutting" characteristics of "ZN Metal" and "RN Metal." *You can view the product catalog and technical documents from the "PDF Download" link below.

• alloy
• Other metal materials

The "Manic Z-100" is a free-cutting, high-strength white copper alloy that possesses cutting performance equivalent to free-cutting brass, even in heavy machining, which has been difficult with conventional stainless steel. It demonstrates superior corrosion resistance compared to free-cutting brass in salt spray tests. 【Features】 ■ Has a silver-white luster similar to stainless steel and nickel silver ■ Cutting performance equivalent to free-cutting brass ■ Superior corrosion resistance compared to free-cutting brass in salt spray tests ■ Strength comparable to stainless steel, superior to free-cutting brass *For more details, please download the PDF or feel free to contact us.

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• Other metal materials

"Keyparoi ZC Metal" is a high corrosion-resistant brass rod for forging that possesses excellent hot forging properties and can achieve dezincification corrosion resistance through a specified heat treatment after hot forging. It corresponds to the material "UNS No. C49300" of the US ASTM B967. 【Features】 ■ Excellent hot forging properties ■ Dezincification corrosion resistance can be achieved *You can view the product catalog and technical materials by downloading the PDF below.

• alloy
• Other metal materials