Custom Manufacturing

At Stafford Manufacturing Corp., we specialize in the design and manufacture of shaft collars, rigid couplings, and other specialty mechanical components used in power transmission, motion control, automation, and other OEM and MRO applications. While we maintain an extensive standard product catalog, we’ve always welcomed requests for custom manufactured shaft collars and rigid couplings as an everyday part of our business. We must be doing something right since our previously made specials list is longer than our standard product line!

When our customers request a modified or customized component, they know they can rely on us for a quick and affordable solution that fully meets their specifications and standards. Below, we highlight some of the most commonly requested modifications and customizations.

Standard Product Modifications

Standard Part ModificationIf none of the existing parts and products in our catalog will work for your equipment or application, our team has the knowledge and skills to modify any one of our standard components into the ideal solution. Typical modifications we accommodate include:

Modified Bores

  • Intermediate sizes
  • Keyways
  • Spherical
  • Non-standard threads of all types

Collar Face Modifications

  • Holes (thru, blind, tapped, counterbored, etc.)
  • Slots
  • Hubs
  • “O” -Ring grooves

Modified Outside Diameters

  • Knurling
  • Cam surfaces
  • Flats (for mounting or wrenching)
  • Notches
  • Pulley grooves
  • Holes

Custom Configurations for Shaft-Extender Shaft Ends

  • Add pins, tabs, buttons, bumpers, etc.
  • Balancing

Fully Custom Products

Shaft Collar 3D Prototype Allows Rapid Proof-Of-Concept TestingIn addition to our component modification options, we offer customization capabilities for virtually any standard collar or coupling. These special versions and variations ensure our customers can find a component that fits their exact needs.


We can customize various aspects of our collars, including:

  • Extra Heavy Duty
  • To Fit Extra-Large Shafts
  • Special Bore Shapes
  • Instrument Style
  • Miniature Sizes
  • Multiple Screw Set Collars
  • All types of Mounting Features
  • Precision Balancing
  • Hinged Flange Clamps
  • Special Materials
  • Special Surface Treatments

Rigid Couplings

We offer the following customization options for our rigid couplings:

  • Extra Heavy Duty
  • Circumferential keyways (to establish and fix axial shaft relationship) Square , Hex and Threaded Bores
  • For mixed shape shafts
  • Shear-Pin Safety Style
  • Balanced
  • Special Materials
  • Special Surface Treatments

In addition to the above, we also offer other non-standard products. These include:

  • Shaft extenders
  • Extra-long shafts
  • Extra heavy duty construction
  • Custom shaft configuration
  • Special Materials
  • Special Surface Treatments
  • 3D Prototype & Printed Products
  • Composite Parts & Molded Urethane
  • Special hardware
  • Nut & Bolt Combo
  • Integral Tightening Handle
  • Non-Standard Screws
  • Pins
  • Bumpers
  • Springs

Materials & Surface Treatments

Shaft Collars and Mounts in Colors Enhance Product Branding, Aesthetics & SafetyWhether for aesthetics, corrosion protection or functionality; let Stafford provide your finishing touch.

Special Materials

The following special materials are available:

  • High-Temp Alloys
  • Titanium
  • Nylon
  • Delrin
  • Brass
  • Bronze

Surface Treatments, Hardening and Laser Etching

  • Plating
  • Painting
  • Anodizing
  • Passivating
  • Hardening
  • Laser Etching


  • Case hardening
  • Special materials that can be thru-hardened

Partner With Stafford for Your Custom Collar and Coupling Needs

Need a custom collar or rigid coupling solution? Stafford Manufacturing Corp. is the ideal partner!

You’ll be pleasantly surprised at how quickly and affordably we can turn your print, sketch, or word description into a finished product for your application. Whether your need is for one or one thousand units, Stafford can be your “in-house” machine shop.

Contact us today to learn more about our custom manufacturing capabilities. Request a quote for pricing details. Most RFQs receive an answer in 24 hours or less.