Five Eighths To Three Quarters Inch Shaft Adapter Reducer Sleeve Bushing For Gas Engine Pulleys Easy Install And Versatile Motor Speed Adjustment For Quick Belt Changes

5/8 to 3/4 in Shaft Adapter Sleeve for Gas Engine Pulleys
✔️ Pack: 1; 5/8 to 3/4 in steel sleeve with 3/16 in keystock

This steel shaft sleeve adapts a crankshaft from 5/8 inch (15.9 mm) to 3/4 inch (19.05 mm) diameter, and includes 3/16 inch (4.76 mm) keystock. CNC machined cold rolled steel delivers reliable, precise fits for pulleys, gear boxes, and belt changes in gas engines.

✅ Inner diameter 5/8 in (15.9 mm), outer diameter 3/4 in (19.05 mm)
✅ Sleeve length about 3 in (76.2 mm)
✅ Material: cold rolled steel, CNC precision machined, and tumbled
✅ Keystock size 3/16 in (4.76 mm) for secure mounting
✅ Weight approx 60 g; one adapter with keystock included

💡 What is a shaft adapter sleeve used for?

A handy solution for connecting mismatched shaft sizes and enabling quick belt changes.

• connects different shaft diameters to fit pulleys and gear boxes
• lets you swap pulleys to adjust speed without buying new motors
• keystock provides a secure, alignment-friendly fit
• steel CNC-machined construction ensures durability