OSG Corporation

What OSG Corporation does

OSG Corporation, founded in 1938 in Tokyo and headquartered in Toyokawa, Aichi Prefecture, is a Japanese precision cutting tool manufacturer that claims world No. 1 share in taps. The company designs, manufactures, and sells taps, drills, end mills, indexable tools, thread mills, dies, thread gauges, and tooling systems, alongside custom special tools and re-grinding/re-coating services. Core technical capabilities span cold-forming (転造) tap technology, cemented carbide tool manufacturing, PCD/CBN tool development, advanced coatings, and the in-house design of proprietary production equipment. The portfolio is anchored by sub-brands including the A-TAP high-efficiency multi-functional tap, the GRT high-performance low-carbon roll tap (winner of the 2025 Energy Conservation Chairman's Award and Monozukuri Japan Grand Prize), the AE-VMS anti-vibration end mill family, the ADOX oil-hole carbide drill series, and the A Brand premium line. Digital offerings include the MONOlithbox tool-management DX system, the ThreadPro NC programming tool, and the Pro Catalog mobile app.

OSG generated ¥160,619 million (~US$1.05B) in consolidated revenue and ¥58,221 million standalone revenue for FY2025 ending November 2025, with consolidated headcount of 7,563 versus 1,854 in Japan alone, implying the majority of revenue is captured outside the parent entity via a 35-country subsidiary network. Revenue is split across the Cutting and Forming Tool stream (primary), precision measurement instruments, machinery sales, tool regrinding/re-coating services, and import/export. The go-to-market combines direct field sales in Japan (East Japan and West Japan divisions), four domestic logistics centers (Toyokawa, Tokyo, Nagoya, Osaka), regional headquarters in Singapore (OSG Asia), Shanghai (OSG (Shanghai) Co., Ltd.), and Wavre, Belgium (OSG Europe Logistics S.A.), supplemented by wholly-owned sales subsidiaries across the Americas, Europe, and Asia, and third-party distributors/dealers. Manufacturing is concentrated in Japan (Toyokawa, Shinshiro, Toyohashi), Taiwan (Taiho Tool Mfg.), China (Dongguan, Shanghai), Thailand, India (Carbide Cutting Tools Pvt. Ltd.), Germany (OSG GmbH), South Africa (Somta Tools), and the Netherlands (Contour Fine Tooling B.V.). Customers span automotive, mold and die, aerospace, energy, and heavy industry/construction machinery, with pricing conducted on a unit-pricing basis and recent July/August 2026 list-price increases of 7–75% across taps, end mills, drills, diamond/CBN products, and gauges signaling inflation pass-through and pricing power.

Name

OSG Corporation

Legal name

オーエスジー株式会社

Website

https://osg.co.jp

Company type

Public

Founded year

1938

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

OSG Corporation is a Japanese precision cutting tool manufacturer claiming world No. 1 share in taps, producing taps, drills, end mills, indexable tools, dies, and gauges. It serves automotive, mold/die, aerospace, energy, and heavy industry customers across 35 countries via direct field sales and wholly-owned subsidiaries.

Ownership category

akta.pro rank

Product category

Precision Cutting Tools

NAICS

Cutting Tool and Machine Tool Accessory Manufacturing (333515)

SIC

Metalworkg Machinery & Equipment (3540)

akta.pro primary industry

Metal Cutting Tools, Tooling & Workholding (Cutters, Inserts, Chucks, Fixtures) (IMAHADAB)

akta.pro secondary industries

Metal Forming & Fabrication Machines (Presses, Bending, Shearing, Stamping) (IMAHADAC), Industrial Saws & Cutting Systems (Band/Circular Saws, Abrasive Cutting) (IMAHADAL)

Keywords

• Precision cutting tools
• Taps and drills
• Carbide end mills
• Thread gauges
• Indexable tooling

Headquarters

HQ city

Toyokawa

HQ country

Japan

HQ region

Asia

Offices32 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Cutting and Forming Tool Sales: Manufacture and sale of taps, drills, end mills, dies, thread gauges, indexable tools, and threading systems. The primary revenue driver, representing the bulk of consolidated sales. Revenue split: 160,619 million yen consolidated / 58,221 million yen standalone (FY2025, November).
2. Precision Measurement Instruments and Gauges: Thread gauges and precision measurement tools for quality control in manufacturing environments.
3. Machinery Sales: Sale of specialized production machinery and equipment, including custom-built equipment developed in-house for OSG's own manufacturing processes.
4. Tool Regrinding and Re-coating Services: Re-grinding and re-coating services for cutting tools, offered through group companies to extend tool life and provide after-market services.
5. Tool Import/Export: Import and export of cutting tools as part of global operations.

Pricing tiers

Go-to-market motion2 records

Distribution channels6 records

Marketing channels7 records

Core offering

OSG Corporation manufactures and sells precision cutting tools including taps, drills, end mills, indexable tools, thread mills, dies, thread gauges, and tooling systems for industrial machining. The company serves automotive, aerospace, mold and die, energy, and heavy machinery manufacturers with catalog products, custom specials, and re-grinding/re-coating services. It operates manufacturing and sales in over 35 countries, supported by direct field sales and authorized distributor channels.

Product overview

OSG Corporation is a comprehensive cutting tool manufacturer offering a diversified portfolio of precision machining solutions. The core product lineup includes taps, drills, end mills, indexable tools, thread mills, dies, thread gauges, and tooling systems, along with special/custom products and re-grinding/recoating services. Key sub-brands include the A-TAP high-efficiency multi-functional tap series (including A-SFT-SUS for stainless steel), the GRT high-performance low-carbon roll tap (award-winning), PHCW dual-face high-feed radius cutters, AE-VMS anti-vibration end mills, and ADOX high-performance oil-hole drills. The company also offers the A Brand premium line representing top-tier technology. Digital offerings include the MONOlithbox tool management DX system, the Pro Catalog mobile app, and ThreadPro NC programming software. OSG serves major industries including automotive, molds, aerospace, energy, and heavy industry.

Differentiator

Problem solved

Functional benefit

Brands

• A-TAP (Aブランド): High-efficiency multi-function tap series launched for the company's 75th anniversary, known for versatility across various workpiece materials.
• OSG PHOENIX
• The A Brand

Products and services

• Taps Threading tools used to create internal screw threads in holes. Spiral taps, point taps, roll taps, and specialty taps for different workpiece materials. Sold to manufacturing customers.
• Drills Cutting tools used to create round holes in workpiece materials. Includes carbide drills, HSS drills, oil-hole drills, and small-diameter precision drills. For manufacturing customers.
• End Mills Rotary cutting tools used for profile milling, slotting, and contouring. Includes carbide end mills, HSS end mills, anti-vibration types, and various geometries. For manufacturing customers.
• Indexable Tools Tools with replaceable cutting inserts mounted on a holder, offering cost efficiency and versatility for milling, turning, and drilling operations. For manufacturing customers.
• Thread Mills Rotating tools that create threads using interpolated helical motion, suitable for creating threads in various sizes and profiles. For CNC machining customers.
• Dies

Quantifiable outcome

• NEO新城工場 achieves production of 5,400 tool types in 7,700 monthly lots — ultra-high-mix low-volume manufacturing at scale
• +2 more outcomes

Named customers4 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

18 partnerships are on record, tiered core and minor.

• 日本ハードメタル株式会社 (Nihon Hard Metal Co., Ltd.)coreOthersJapanese group company specializing in cemented carbide (超硬合金) materials, supplying raw material for OSG's cutting tool manufacturing. Located in Kanagawa Prefecture, Japan.
• OSGグラインドテック株式会社 (OSG Grind-Tech Co., Ltd.)coreOthersGroup company specializing in roll forming round dies (転造丸ダイス) and tool re-grinding services (再研磨) for roll forming dies and cutting tools. Located in Ibaraki Prefecture.
• 大高精工株式会社 (Ohtaka Seiko Co., Ltd.)coreOthersGroup company producing thread cutting round dies (ねじ切り丸ダイス), roll forming flat dies (転造平ダイス), and performing tool re-grinding services. Also handles carbide molding (超硬成形). Located in Aichi Prefecture.
• 株式会社青山製作所 (Aoyama Seisakusho Co., Ltd.)coreOthersGroup company producing band saw blades (帯鋸刃), circular saw blades (丸鋸刃), bits, drivers, and providing cutting tool re-grinding services.
• ノダプレシジョン株式会社 (Noda Precision Co., Ltd.)coreOthersGroup company manufacturing PCD tools (ポリッシングダイヤモンドコンパクション), carbide tools, and CBN tools. Located in Osaka Prefecture.
• オーエスジーダイヤモンドツール株式会社 (OSG Diamond Tool Co., Ltd.)coreOthersGroup company manufacturing single-crystal diamond cutting tools, PCD tools, and CBN tools for ultra-precision machining applications. Located in Shiga Prefecture.
• エフ・ピー・ツール株式会社 (FP Tools Co., Ltd.)coreOthersGroup company manufacturing carbide reamers (超硬リーマ) and hyspeed reamers (ハイスリーマ). Located in Kyoto Prefecture.
• 株式会社クリエイトツール (Create Tool Co., Ltd.)coreOthersGroup company manufacturing carbide end mills (超硬エンドミル), carbide drills (超硬ドリル), and providing end mill re-grinding and re-coating services. Located in Hiroshima Prefecture.
• アリオス株式会社 (Arios Co., Ltd.)coreOthersGroup company manufacturing ultra-high vacuum equipment and devices, plasma application equipment and devices. Located in Tokyo.
• オーエスジーコーティングサービス株式会社 (OSG Coating Service Co., Ltd.)coreOthersGroup company providing coating services (切削工具へのコーティング) for cutting tools. Located in Aichi Prefecture, adjacent to OSG's manufacturing facilities.
• オーエスジーシステムプロダクツ株式会社 (OSG System Products Co., Ltd.)coreOthersGroup company selling LH stick tools, micro stick tools, D-Bar, bits, and drivers. Located in Aichi Prefecture.
• 大宝産業株式会社 (Taiho Sangyo Co., Ltd.)coreOthersGroup company selling precision cutting tools, forming tools, measuring tools, machine tools, and providing automobile maintenance lease services.
• 三和精機株式会社 (Sanwa Seiki Co., Ltd.)coreOthersGroup company selling precision cutting tools, general machinery, special machine jigs, and engine valves, plus machine tool retrofits.
• 株式会社オータケ (Otake Co., Ltd.)coreOthersGroup company selling precision cutting tools, forming tools, measuring tools, and auxiliary tools, plus machine tools, cutting oils, and grinding oils. Located in Yamagata Prefecture.
• MOLD BRIDGE株式会社 (Mold Bridge Co., Ltd.)coreOthersGroup company providing mold manufacturing technology consulting services. Located in Tokyo.
• ORS株式会社 (ORS Co., Ltd.)coreOthersGroup company providing cutting tool re-grinding services (切削工具の再研磨). Located in Aichi Prefecture.
• Astrocale Holdings Inc.minorStrategic or Co-development PartnerMain sponsor of the 'IDEA OSG 1' satellite project — the world's first micro space debris observation satellite. OSG supports this Singapore-based venture's mission to map orbital debris for space safety, aligned with OSG's 'shaping your dreams' brand philosophy.
• Boeing / University of Tokyo / Japanese Companies (Joint Development Consortium)minorStrategic or Co-development PartnerOSG participates in a joint development project with Boeing, the University of Tokyo, and Japanese companies focused on aerospace manufacturing technology (announced November 2013).

Scale indicators6 records

Recent moves34 records

Expansion highlights6 records

Direct peers

• Guhring: German-based family-owned manufacturer of precision rotary cutting tools (drills, taps, end mills) with a global direct-sales footprint — competing with OSG particularly in European automotive and mold-making segments.
• Kennametal: US-based manufacturer of tungsten carbide cutting tools, inserts, drills and end mills serving aerospace, automotive, energy and general engineering — directly competing with OSG across the same product categories and end markets.
• Sandvik Coromant: Sandvik's cutting tool division and the global market leader in metal cutting, offering taps, drills, end mills, indexable tooling and tooling systems with comparable direct-sales and distributor reach across automotive, aerospace and general engineering.
• Iscar: Israeli cutting tool specialist (part of IMC Group) with a broad portfolio of indexable, milling, turning and drilling tools and a strong global direct-sales model — competing head-to-head with OSG in aerospace and automotive.
• YG-1: Korean manufacturer of taps, drills, end mills and thread mills with strong price competitiveness in Asia — a key challenger to OSG in standard catalog lines and a benchmark for the price-increase risk OSG now faces.
• Walter Tools: German precision cutting tool manufacturer (part of United Grinding Group) offering drills, taps, end mills and indexable tooling with strong European automotive and aerospace customer overlap with OSG Europe.
• Sumitomo Electric Hardmetal (Sumitomo Electric Industries): Japanese cutting tool maker (part of Sumitomo Electric Industries) producing carbide inserts, drills and end mills with strong automotive, steel and heavy-industry accounts — competing directly with OSG across domestic and Asian markets.
• Mitsubishi Materials (MMC Hardmetal): Japanese maker of carbide cutting tools, inserts, drills and end mills under the MMC Hardmetal brand, with deep automotive and mold/die penetration domestically — a direct rival for OSG especially in the Japanese home market.
• Tungaloy: Japanese-origin cutting tool manufacturer (now part of IMC Group) offering turning, milling, drilling and grooving tools — directly overlapping with OSG's indexable and milling portfolio, particularly in Japan and Asia.

Broad incumbents

• Nachi-Fujikoshi: Japanese industrial conglomerate whose cutting tool division produces drills, taps and end mills alongside bearings, hydraulic equipment and robots — a broad incumbent whose metal-cutting business overlaps directly with OSG, especially in Japanese automotive and industrial accounts.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/osgcorporation
• YouTubeyoutube.com/user/OSGJAPAN
• Facebookfacebook.com/osgcorporation
• LinkedInlinkedin.com/company/osg-corporation
• Instagraminstagram.com/osgcorporation

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles20 records

Subsidiaries25 records

Funding overview

Funding rounds

Investors

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

M&A

Investments4 records

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

Frequently asked questions about OSG Corporation