Sunnen Products Company

7910 Manchester Road

Saint Louis, MO 63143 US


As Seen In Modern Machine Shop

triboconditioning process diagram

News of Note: August 2019
A market development agreement on a new finishing process, a conference on quick-response manufacturing, new robotics training centers in the United States, and other industry news.

The Triboconditioning process.

Sunnen and ANS Collaborate on Friction and Wear Reduction Technology
Triboconditioning is a combined mechano-chemical surface treatment process which uses a machining procedure to level off surface peaks and apply a friction- and wear-reducing compound to the component surface.

Sunnen's SVL 2115.

Sunnen's SVL-2115 Lapping Machine Improves Worker Safety
EMO 2019: Sunnen’s SVL-2115 multi-stage automated lapping machine laps and air gages a bore in one setup, freeing operator time and increasing part consistency.

Sunnen's SV-30.

Sunnen’s SV-30 Honing Machine Reduces Setup, Changeover Time
Westec 2019: The Sunnen SV-30 cylinder honing machine is designed for compressors, engine cylinder blocks, cylinder liners and other industrial parts.


Sunnen Relocating BTA Heller to Missouri Headquarters
The move from Troy, Michigan, will be completed by March 31, 2019, with key personnel making the move.

Stephen Nigro of HP at the 2018 Additive Manufacturing Conference

Industry News of Note: February 2019
Additive Manufacturing Conference issues call for speakers, Mazak makes big “smart factory” investment and other manufacturing industry news. 

Sunnen Engine Charity Sweepstakes, Sonny’s Automotive Racing

Custom-Built Engine Helps to Raise Over $100K for Sunnen Engine Charity Sweepstakes
Sunnen’s Engine Charity Sweepstakes has broken their fundraising record by offering a Sonny Automotive Racing custom-built engine as the prize for its 30th annual sweepstakes.

Sunnen SHD series

Skiving, Roller Burnishing System Speeds Surface Finishing
IMTS 2018: Sunnen’s SHD-series skiving and roller burnishing system is said to be 60 to 70 percent faster than traditional honing.

Sunnen will display a variety of products at IMTS 2018.

Deep-Hole Tooling Covers Range of Applications
IMTS 2018: Sunnen Products Co. offers deep hole tooling and systems for primary hole generation, single-source bore creation and finishing solutions, and automated and manual honing systems.

Sunnen tool in part

Sunnen Products Co. Acquires BTA Heller
The acquisition is intended to expand the honing systems manufacturer’s capabilities to include tooling for initial hole creation as well as bore sizing and finishing. 

Sunnen HTE

Honing System Eliminates a Gun Barrel Lapping Operation
Pac-Nor Barreling Inc.'s manual lapping of gun barrels was tedious and time-consuming. Sunnen's HTE honing machine eliminated manual pre-lapping and improved barrel consistency.

Remote Honing Analytics with MTConnect-Compliant Machines
Sunnen offers what it says is the first honing equipment that’s compliant to the MTConnect communication protocol.

Sunnen 12-stone honing head

Honing Expertise Provides Winning Finish for Pro Stock Engines
Elite Performance needed to produce a rounder, straighter bore to increase engine performance. Sunnen's SV-20 machine and multi-stone diamond abrasives provided greater honing control, flexibility and repeatability.

Sunnen Appoints President, COO
Chris Miltenberger has 25 years of experience in operations, management and business development.

Sunnen SH-4000 honing machine

Honing Machine Processes Various Part Sizes, Configurations
Sunnen’s SH-4000 power-stroked honing machine merges a Siemens touchscreen PLC and digital servo drives with a servo-hybrid tool feed system, repeatability and clear adjustable guard/light.

Star SU NTG-4L tool and cutter grinder

February 2015 Product Spotlight Slideshow: Grinding
Click through this slideshow for a sampling of grinding equipment, ranging from hand tools and abrasives to complete grinding systems.

Dillon’s hard jaws

Houstex 2015 Preview Slideshow
Click through the slideshow to see a selection of technologies to be displayed at Houstex in advance of the February 24-26 trade show.

Sunnen 60-grit red aluminum-oxide honing stones

Honing Stones Offer Alternative to Superabrasives
Sunnen’s 60-grit red aluminum-oxide honing stones are designed to provide an alternative to superabrasives for heavy stock removal.

Sunnen Forms Joint Venture with Precision Honing Solutions
The partnership will strengthen Sunnen’s presence in India, particularly for the agricultural and automotive equipment sectors.

Sunnen SV-20 honing system

Honing Machine for Large Parts
Sunnen’s SV-20 honing system for large part production features a true linear, vertical, servo-stroking system to produce precision bore geometries on parts such as compressors, oilfield components and automotive blocks.

Sunnen’s portable tooling department

CMM Reduces Manual Inspection, Increases Efficiency
By integrating a Contura CMM from Carl Zeiss into its production process, Sunnen reduced manual inspections helped make the most of other improvement efforts.

Product Categories of Sunnen Products Company

Automated System & Cells for Material Removal
Burnishing Tools (Roller)
Burnishing, Honing & Lapping Tools
Coolants, Cutting Fluids & Oils
Deburring Tools (Machine Tool Spindle-Mounted)
Diamond Tools
Drilling Machines, Deep Hole (Gundrilling)
Gages - Digital
Gages - Mechanical
Gear Honing Machines
Gear Lapping Machines
Grinding Machines, Internal Cylindrical
Honing & Lapping Tools
Honing Machines, Horizontal Spindle
Honing Machines, Multiple Spindles
Honing Machines, Vertical Spindle
Lapping Machines, External Cylindrical
Oil Filtration & Treatment
Superabrasive Machining Systems

Trade Names

BTA Heller