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View My Dashboard × Hello Customer #:Ship To: {{vm.session.shipTo.lastName}} {{vm.session.shipTo.firstName}}, Switch Address 1 && vm.session.language && vm.session.language.imageFilePath" 1 && vm.session.language && !vm.session.language.imageFilePath" ng-bind="::vm.session.language.languageCode" International SettingsSign OutHello Customer #:Ship To: {{vm.session.shipTo.lastName}} {{vm.session.shipTo.firstName}}, Switch Address 1 && vm.session.language && vm.session.language.imageFilePath" 1 && vm.session.language && !vm.session.language.imageFilePath" ng-bind="::vm.session.language.languageCode" International SettingsSign Out1" CancelLogin Account ShipSign OutLanguage English Deutsch 简体中文 Español Polski Français Português Search About Careers Contact Catalogs Resources Catalogs Brochures Safety Data Sheets Educational Information Product AuthenticationLanguage English Deutsch 简体中文 Español Polski Français Português Account Login My Account Sign Out Quick Order ☰ Processes ► ◄ Processes Honing Lapping Skiving + Roller Burnishing Deep Hole Drilling Products ► ◄ Products Honing ► ◄ Honing Horizontal Machines Vertical Machines Single Stroke Machines Tube Honing Machines Portable Hones Machine Automation Solutions Honing Tools ► ◄ Honing Tools Standard Mandrels Custom Mandrels Diamond Plated Honing Tools External Hones Portable Hones Modular/MPS Tooling Multi-Stone Tools Engine Building Tools Shell 2C Tool Technical Data Honing Abrasives ► ◄ Honing Abrasives Universal Honing Abrasives Conventional Abrasives Superabrasives Portable Hone Abrasives Abrasive Brushes Technical Data Lapping ► ◄ Lapping Machines Tools Abrasives Filtration Lapping Fluids Deep Hole Drilling ► ◄ Deep Hole Drilling Drilling Processes Deep Hole Drilling Machine Deep Hole Drilling Tools ► ◄ Deep Hole Drilling Tools Solid Drilling Gun Drilling Counter Boring Trepanning Form Cutting Bottle Boring Skiving + Roller Burnishing ► ◄ Skiving + Roller Burnishing Machines Tools Gages ► ◄ Gages Dial Bore Gages PG Precision Gages Engine Building Gages PGE Precision Electronic Bore Gage Gage Leasing Filtration ► ◄ Filtration PF-150 SVF-15 Cutting Fluids ► ◄ Cutting Fluids Honing Fluids Lapping Fluids Deep Hole Drilling Fluids Legacy Products Repair Parts Custom Solutions Services ► ◄ Services Custom Solutions Training Process Development Maintenance + Repairs Warranty Applications ► ◄ Applications Aerospace Air Conditioning + Refrigeration Automotive Diesel Engines Energy Engine Building Firearms + Defense Hydraulics Job Shops + Contract Machining Medical Small Engines Tool + Die Insights ► ◄ Insights Trade Shows + Events Latest Insights In The News Customer Service ► ◄ Customer Service Contact Customer Service How to Buy Financing + Leasing Maintenance + Repair Request Custom Product Request Email Sign Up Automotive Contact Distributor About Contact Catalogs Resources ► ◄ Resources Brochures SDS Educational Information Product Authentication My Account Careers ◄ × Introducing the SV-35 Meet Sunnen’s latest cylinder honing machine — the SV-35. Experience precision and efficiency in one machine with automatic bore-to-bore honing, new Sunnen2 system controls and more. Explore the SV-35 Coming Soon - the SV-35 Meet Sunnen’s latest cylinder honing machine — the SV-35. Experience precision and efficiency in one machine with automatic bore-to-bore honing, new Sunnen2 system controls and more.Partnership Doing everything in our power to exceed your business goals. We’ve helped customers decrease part production costs by as much as 50% - 60%. Contact Us Precision Pushing the highest limits of what’s possible in machining. Sunnen customers have forged new business lines by collaborating with us on new processes & solutions. Custom Solutions Performance Driving real results, wherever you work. We’ve helped customers cut shifts by significantly cutting set-up & non-productive time. Latest Insights Our Vision is Precision For nearly 100 years, Sunnen has built a global business around delivering the highest levels of precision to our customers. Combining a robust distribution network with industry-leading technology, Sunnen integrates bore creation, sizing and finishing into one turnkey solution. Together, we’ll achieve extraordinary results. Read Our Story Sunnen Spotlight Celebrating a Century of Innovation 2024 marks a significant milestone for Sunnen — a century of innovation. Over the decades, Sunnen dedicated itself to precision, performance and partnership. Our commitment to these three tenets has allowed us to continually reach new heights in manufacturing. Before we turn our attention to the future, our team wants to reflect on how far our organization has come. Read More Engineering Efficiency. Every Step of the Way. Shop By: Shop By Application Shop By Product Aerospace Air Conditioning + Refrigeration Automotive Diesel Engines Energy Engine Building Firearms + Defense Hydraulics Job Shops + Contract Machining Medical Small Engines Tool + Die Honing Lapping Skiving + Burnishing Deep Hole Drilling Honing Tools Abrasives Gages Filtration Cutting Fluids Legacy Products Repair Parts Custom Solutions Above and Beyond Honing We’re not just honing parts anymore—we’re honing processes. Our global service team works one-on-one with our customers to refine their operations, engineer custom solutions and deliver the hands-on training they need to be their best. View Service Options Solutions as Unique as Your Operation See how our team designs, builds and implements custom machinery to solve our customers’ complex needs. 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