Stafford Manufacturing Corp.
256 Andover St.
Wilmington, MA 01887

Phone: 978.657.8000 or 800.695.5551
Fax: 978.657.4731 or 800.649.5101
Email: sales@staffordmfg.com
Website: www.staffordmfg.com
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  • Use as is to make shaft smaller
  • Keyways provide added torque capacity and fixed shaft phasing
  • Fully machineable to change size or configuration
  • Eliminates need for complete shaft replacement.
  • No welding required.
Shaft Adapter Couplings - Step-Down Type with Keyways
Unit of Measure
Items Shaft Adapter Couplings - Step-Down Type with Keyways - Steel
5ERL012K
Shaft Adapter Couplings - Step-Down Type with Keyways
List Price $135.23
Shaft Adapter Couplings - Step-Down Type with Keyways - Steel
5ERS012K
Shaft Adapter Couplings - Step-Down Type with Keyways
List Price QUOTE
Shaft Adapter Couplings - Step-Down Type with Keyways - Steel
5ERL014K
Shaft Adapter Couplings - Step-Down Type with Keyways
List Price $169.91
Shaft Adapter Couplings - Step-Down Type with Keyways - Steel
5ERS014K
Shaft Adapter Couplings - Step-Down Type with Keyways
List Price QUOTE
Shaft Adapter Couplings - Step-Down Type with Keyways - Steel
5ERL100K
Shaft Adapter Couplings - Step-Down Type with Keyways
List Price $198.83
Series N/A Signature N/A Solution N/A Signature N/A Solution N/A Signature
Bore Size N/A 3/4 in N/A 3/4 in N/A 7/8 in N/A 7/8 in N/A 1 in
Material N/A Steel N/A Stainless Steel N/A Steel N/A Stainless Steel N/A Steel
Alloy N/A 1215 N/A 303 N/A 1215 N/A 303 N/A 1215
Finish N/A Black Oxide N/A None N/A Black Oxide N/A None N/A Black Oxide
Type N/A High Strength
Approximate Weight N/A 1.25 lb N/A 1.28 lb N/A 1.43 lb N/A 1.43 lb N/A 1.57 lb
Country of Origin N/A USA
UPC Code N/A 662786018657 N/A 662786044939 N/A 662786018664 N/A 662786044946 N/A 662786018671
RoHS2 Compliant N/A Yes
REACH Compliant N/A Yes
Coupling Keyway Size N/A 3/16 in N/A 3/16 in N/A 3/16 in N/A 3/16 in N/A 1/4 in
Shaft Diameter N/A 1/2 in N/A 1/2 in N/A 5/8 in N/A 5/8 in N/A 3/4 in
Shaft Keyway Size N/A 1/8 in N/A 1/8 in N/A 3/16 in N/A 3/16 in N/A 3/16 in
Outside Diameter N/A 1.750 in N/A 1.750 in N/A 1.875 in N/A 1.875 in N/A 2.000 in
Shaft End Length N/A 1.250 in
Total Length N/A 3.500 in N/A 3.500 in N/A 3.625 in N/A 3.625 in N/A 3.625 in
Recessed Screw N/A Yes
Screw Size N/A 1/4-28 x 3/4 N/A 1/4-28 x 5/8 N/A 1/4-28 x 3/4 N/A 1/4-28 x 5/8 N/A 1/4-28 x 3/4
Screw Material N/A Alloy Steel N/A 18-8 Stainless Steel N/A Alloy Steel N/A 18-8 Stainless Steel N/A Alloy Steel
Disclaimer N/A
Manufacturer Stock N/A {0} N/A {0} N/A {0} N/A {0} N/A {0}
Message N/A {TBD} N/A {TBD} N/A {TBD} N/A {TBD} N/A {TBD}