Sunnen Products Company

7910 Manchester Road

Saint Louis, MO 63143 US


As Seen In Production Machining

three people sitting at a table

Sunnen Establishes Direct Sales in Canada
Sunnen brings direct sales and service to Canada, providing an enhanced customer experience and full access to the company’s total bore solutions.

Sonny Leonard and a racing engine

Sunnen Breaks Its Fund-Raising Record with Engine Sweepstakes
Sunnen’s annual sweepstakes at the Performance Racing Industry trade show raised more than $100,000 for Victory Junction.

Mike Molnar, Andrea Coghlin and Gordon Baker

Sunnen Establishes Direct Sales Operations in Canada
Beginning January 1, all Canadian orders and service requests will be handled directly by Canadian sales representatives and technical personnel.

honing machines

Honing Machines Reduce Setup Times
The Sunnen SV-30 honing series is for engine cylinder blocks, liners and other parts.

lapping machine

SVL-2115 Lapping Machine Laps and Air Gages in One Setup
SVL-2115 automated lapping machine laps and air gages bores in one setup, freeing operator time and increasing part consistency.

Sunnen SHD machine

Single-Pass Skiving and Roller Burnishing for Hydraulic Cylinders
A newly introduced machine and tool combination from Sunnen streamlines skiving and roller burnishing by combining operations into a single stroke process on a single tool.

Homing oil at work

Why Honing Oils Matter
Like any metalworking process, honing relies on a systemized approach of components working in concert to deliver optimized results. Honing oil is one of these critical components, and this article examines the role it plays in a successful honing operation. 

Executives signing papers for acquisition

Sunnen Acquires BTA Heller to Expand Honing Expertise
Sunnen Products Co. has acquired BTA Heller Inc. with the aim of expanding Sunnen’s honing expertise to include tooling for initial hole creation and other complementary bore sizing and finishing processes. 

Sunnen Products Co. Acquires BTA Heller
  Sunnen Products Co. has acquired BTA Heller Inc., a U.S.-based manufacturer of deep hole tooling and systems for primary hole generation.  

Tour of Sunnen Emphasizes the Importance of Honing
A tour of Sunnen reinforces a long and fruitful one relationship with the company and emphasizes the importance of honing.

Sunnen's SV-15 honing machine

SV-15 Honing Machine Runs Standard Tools and Diamond Hone Heads
The honing machine is a versatile automatic cylinder hone capable of handling bore diameters from 0.750" to 8" (19 - 203 mm) and lengths up to 11" (279 mm) for all types of blocks, from single-cylinder and high-performance engines to diesel truck and industrial blocks up to 46" (1,168 mm) long.

Remote Honing Analytics
Remote honing analytics with MTConnect-compliant machines makes manufacturing activity and system conditions transparent, enabling rapid implementation of operational and maintenance excellence.

Win a Racing Engine
Entrants of the Sunnen Engine Charity Sweepstakes have a chance to win a custom-tuned Mopar 6.4L Gen lll Hemi racing engine built by Nick Ferri, co-owner of Patterson Elite Performance.

Honing System Brings Power Stroke Efficiency to Small Shops
The versatile hone features zero shutoff for automatic cycle control and consistent bore size, finish and geometry with minimal operator attention.

SH-2000 Job Shop Honing Machine with PLC/HMI
Sunnen introduces digital control of spindle speed, power-stroke speed and extra strokes on its SH-2000 job shop honing machine, designed as a flexible tool for bore sizing/finishing on a variety of parts. 

Sunnen Appoints New President
Sunnen Products Company has appointed Chris Miltenberger as the company's president and COO. 

SH-4000 Honing Machine Processes a Variety of Part Sizes and 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, extreme repeatability and clear adjustable guard/light.

Prototype to Production-Volume Honing
Here's a machine designed to meet a variety of honing needs. It features all-digital, servo-stroke honing for volumes ranging from prototype to high production.

Sunnen GR-2245/2241

Bore Gages Offer Measurement Repeatability
Sunnen says its GR-2245/2241 bore gages combine rugged design with precise, reliable measurement to 0.0001" for large-part applications.

Sunnen Products Company Forms New Indian Joint Venture
Sunnen Products Company is adding to its base of 11 global operations by forming a new joint venture with its India distributor, Precision Honing Solutions Pvt. Ltd., a part of the Omira Group.

Product Categories of Sunnen Products Company

Automated System & Cells for Material Removal
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
Honing Machines, Horizontal Spindle
Honing Machines, Multiple Spindles
Honing Machines, Vertical Spindle
Lapping Machines, External Cylindrical
Superabrasive Machining Systems
Tool Repair, Coating & Treatment Services

Trade Names

BTA Heller