Yahata Neji

What Yahata Neji does

Yahata Neji Co., Ltd. (株式会社八幡ねじ), founded in 1946 and headquartered in Kitanagoya, Aichi Prefecture, Japan, is a privately held manufacturer and trading company specializing in fasteners — screws, bolts, nuts, and related metal fastening components. The company operates a vertically integrated production stack spanning cold forging (冷間圧造), rolling, tapping, machining, and heat treatment, with proprietary surface-treatment IP including AlooH® aluminum treatment (co-developed with Shibaura Institute of Technology), SG plating, JN Coat, and the Zero-Stain series. It maintains a five-country manufacturing footprint across Japan, Thailand (est. 2000), China (2003), Indonesia (2011, ~30,000㎡ plant), and Taiwan (2013), enabling globally optimized procurement for international customers.

The company serves four primary customer segments: automotive OEMs (seat belts, lighting, seats, mirrors, motorcycle parts), expressway and public infrastructure (East/Central/West Japan Expressway via the NETIS-registered Kusabi Nut), general industrial manufacturers (custom cold-forged parts to spec), and DIY/consumer markets (YHT-NET e-commerce, YAHATA PRO professional sub-brand, disaster-prevention goods). Go-to-market is sales-led with enterprise field sales for industrial customers, OEM-embedded supply into automotive, event-driven lead generation via Monozukuri World, SEMICON Japan, and Mechanical Components Technology Expo, and direct-to-consumer e-commerce. Pricing is quote-based for B2B custom orders and unit-priced for consumer SKUs; certifications include IATF16949, ISO9001, ISO14001, and Good Design Award recognition. The company is led by President and Representative Director Murata Kazuhiro (村田和弘) with 1,001–5,000 employees and no disclosed parent, investors, or external funding.

Name

Yahata Neji

Legal name

株式会社 八幡ねじ

Website

https://yht.co.jp

Company type

Private

Founded year

1946

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Yahata Neji is a Japanese fastener manufacturer founded in 1946 that produces screws, bolts, and nuts through cold forging and proprietary surface treatments, serving automotive OEMs, expressway infrastructure, industrial manufacturers, and DIY/consumer markets across five Asian countries.

Ownership category

akta.pro rank

Headquarters

HQ city

Kitanagoya

HQ country

Japan

HQ region

Asia

Offices5 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Fastener Product Sales: Sale of manufactured and sourced fasteners including bolts, nuts, screws for industrial and consumer applications. Products include standard JIS specification items, custom parts, and specialty fasteners.
2. Custom Manufacturing Services: Custom fastener manufacturing based on customer drawings and specifications. Services include cold forging, machining, heat treatment, and assembly of metal parts.
3. Consumer/Retail Products: Sale of consumer-oriented fastener and hardware products through e-commerce channels including DIY screws, disaster prevention goods, and healthcare products.
4. Surface Treatment Services: Processing services including AlooH® aluminum treatment, plating, and various surface treatments for corrosion resistance and durability.

Pricing tiers

Go-to-market motion4 records

Distribution channels4 records

Marketing channels5 records

Core offering

Yahata Neji manufactures and supplies a comprehensive range of fasteners (screws, bolts, nuts) and related metal components using cold forging, rolling, tapping, machining, and heat treatment processes. The company also offers custom manufacturing services based on customer drawings, proprietary surface treatment technologies (AlooH aluminum treatment, Zero-Stain, SG plating, JN Coat), and specialty products such as the Kusabi Nut anti-loosening wedge nut and YAHATA PRO professional-grade screws.

Product overview

Yahata Neji is a fastener (screws, bolts, nuts) manufacturer and trading company offering four main product categories: high-function products (高機能製品) addressing specialized fastening challenges like loosening prevention, weight reduction, and corrosion resistance; special加工品 for custom manufacturing including forging, pressing, machining, and resin molding; general standard products including JIS, UNI, and Whitworth thread fasteners; and consumer products for DIY and disaster prevention. The portfolio includes branded sub-products such as YAHATA PRO professional-grade fasteners, wedge nuts (くさびナット), carbon fiber bolts (CVB), AlooH® aluminum surface treatment, Unifast thin-plate tapping screws, and Zero-Stain surface-treated iron fasteners. The company also provides torque verification and 3D printing prototyping services.

Differentiator

Problem solved

Functional benefit

Brands

• YAHATA PRO: Professional-grade fastener brand targeting craftsmen with superior performance and quality. Features products like Speed Plus screws, plywood drill screws, thick-plate drill screws, and wood deck screws.
• YT Series

Products and services

• High-Performance Products (高機能製品) High-function metal products addressing fastening force problems, weight reduction challenges, and corrosion resistance. Includes specialty wedge nuts, CVB carbon fiber bolts, and advanced surface treatments like AlooH aluminum treatment for industrial customers.
• Custom Manufacturing (特殊加工品) Custom manufacturing services including forging, pressing, machining, and resin molding. Offers optimal processing solutions from manufacturing to assembly based on customer drawings and specifications for B2B industrial clients.
• Standard Specification Fasteners (一般規格品) Standardized fasteners including JIS standard products, unified threads (UNI), and Whitworth threads. Wide range of general-purpose screws and bolts for industrial and OEM use.
• Consumer Products (消費者向け商材) Consumer-facing hardware items, disaster prevention supplies, DIY fasteners, and healthcare products sold through the YHT-NET online shop for individual consumers and DIY enthusiasts.
• Kusabi Nut (くさびナット / Wedge Nut) Anti-loosening nut with wedge-shaped flange at the bottom and asymmetric thread valley design achieving powerful loosening prevention. Certified for use in expressway infrastructure with NAS vibration testing approval. Used in safety-critical bridge and expressway applications.
• CVB Carbon Fiber Bolt (CVB 炭素繊維ボルト) Carbon fiber reinforced bolt achieving strength class 4.6 (4T) equivalent while maintaining plastic weight. Features high tensile strength, lightweight properties, chemical resistance, high X-ray transparency, and non-magnetic properties for specialized applications.
• AlooH® Aluminum Surface Treatment Revolutionary aluminum surface treatment technology co-developed with Shibaura Institute of Technology. Uses water vapor processing without solvents, achieving 2.3x surface hardness and 1.5x internal hardness compared to untreated aluminum. Offers corrosion resistance and microstructure modification.
• Unifast Thin-Plate Tapping Screw (ユニファスト) Special thin-plate tapping screw designed for 0.2-0.8mm sheet thickness. Achieves fastening without nuts or boring processing, enabling part commonization and stable fastening with special triple-lead thread structure. Reduces fastening time to approximately half compared to JIS standard products.
• Thin-Plate Integrated Washer Screw (薄板用座金組込ねじ) Thin-plate integrated washer screw with minimized incomplete thread section. Achieves fastening to thinner plates than standard products, preventing head floating and fastening defects while maintaining low cost.
• Sekko Pin LONG (石膏ピン LONG) Long gypsum pin for drywall mounting featuring minimal hole size, coin-installation capability, and load capacity of 8kg (M3) and 10kg (M4). Available in black and white for DIY and consumer use.
• YAHATA PRO Professional Fasteners Professional-grade fastener brand featuring Speed Plus screws (fast installation), plywood drill screws (clean cutting), thick-plate drill screws (12mm penetration), and wood deck screws (no pre-drilling, crack prevention). Developed for craftsmen demanding superior functionality and quality.
• Zero-Stain Series (ゼロステンシリーズ) Iron fasteners with proprietary surface treatment that provides better rust resistance than SUS410 stainless steel. Cost-effective alternative to stainless steel for construction screws and drill screws.
• JN Coat (JNコート) High-corrosion-resistance topcoat combining plating and painting technology. Uses special silica-based oligomers providing high anti-rust performance with barrier effect, strong adhesion through chemical bonding, and self-repairing properties for scratches.
• SG Plating (SGめっき) Molten aluminum alloy plating with 5% aluminum and 1% magnesium added to zinc base. Achieves 10x corrosion resistance compared to standard molten zinc plating. RoHS compliant and eco-friendly.

Quantifiable outcome

• Achieves 2.3x surface hardness and 1.5x internal hardness compared to untreated aluminum through AlooH® treatment
• +3 more outcomes

Named customers5 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Four partnerships are on record, tiered minor and core.

• Fukui University Formula Car Project (福井大学フォーミュラーカー製作プロジェクト)minorOthers · 23 April 2026Support for university engineering education through parts provision for student formula car racing project. Provides fastener components for student vehicle construction.
• Kitanagoya City Youth Invention Club (北名古屋市 少年少女発明クラブ)minorOthers · 20 April 2026Sponsorship of local youth education program for invention and creativity. Supporting the club's activities for fiscal year 2026.
• Shibaura Institute of Technology (芝浦工業大学)coreStrategic or Co-development Partner · 10 April 2025Industry-academia collaboration for joint development of AlooH® aluminum surface treatment technology. University provides research expertise while Yahata Neji contributes manufacturing and commercialization capabilities.
• Yamashina Corporation (株式会社ヤマシナ)coreTechnology or IntegrationManufacturer of Unifast specialized tapping screws for thin plate applications. Yahata Neji distributes Unifast products which enable fastening of 0.2-0.8mm thin plates without nut or burring processing.

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Aoyama Seisakusho Co., Ltd. Japanese precision fastener manufacturer specializing in cold-forged screws and bolts for automotive and electronics applications. Directly comparable in product category, manufacturing approach (cold forging), customer base (Japanese automotive OEMs), and domestic Asian footprint.
• Bossard Group: Swiss-headquartered global fastener specialist and distributor serving industrial and automotive customers with engineered fastening solutions. Comparable as a multi-region fastener manufacturer with proprietary engineering services and global production footprint.
• Nifco Inc. Japanese precision plastic and metal fastener manufacturer serving automotive and industrial customers globally. Comparable as an Asian-headquartered fastener company with diversified industrial customer base and proprietary engineered fastening solutions.
• LISI Group: French global manufacturer of fasteners and multi-material assembly components for aerospace, automotive, and industrial markets. Comparable in engineered fastener manufacturing with multiple international production sites and a focus on safety-critical applications.
• Topura Co., Ltd. Japanese specialty fastener manufacturer focused on cold-headed bolts, screws, and custom machined parts for automotive and industrial applications. Directly comparable in cold forging capabilities, automotive customer base, and Japanese-headquartered mid-market profile.
• Piolax Corporation: Japanese precision fastener and metal components manufacturer serving automotive and industrial markets globally. Comparable as a Japanese-headquartered engineered fastener producer with proprietary products, automotive exposure, and overseas manufacturing operations.

Broad incumbents

• Würth Group (Würth Industrie): Global industrial fastener distributor and manufacturer serving automotive, machinery, and construction customers. Comparable in B2B direct-sales model for fasteners and customized engineering solutions, though Würth is a much larger incumbent with broader product breadth.
• Illinois Tool Works (ITW) - Fastening Systems: US-based diversified industrial manufacturer with a sizable engineered fastening components segment serving automotive and industrial OEMs. Comparable as a global fastener supplier to automotive customers, though operating at much larger scale and across many non-fastener segments.

Regional players

• Sundram Fasteners Limited: Indian-headquartered manufacturer of automotive and industrial fasteners with global OEM customers. Comparable in automotive fastener manufacturing, cold-forged bolt/nut/screw product line, and Asian-based supply to global OEMs; regional competitor in the Asian manufacturing footprint.
• Shandong Liaocheng Yihengdian Fastener Co. Chinese fastener manufacturer producing bolts, nuts, and screws primarily for industrial and construction applications. Comparable as a China-based competitor offering similar commodity fastener SKUs at lower cost, particularly relevant to the Asian supply environment.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/pt-yahata-fastener-indonesia

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Yahata Neji