2 Pack Single Groove V Shaped Pulley Featuring 5Mm Bore And 31Mm Outer Diameter Built Rock Solid Aluminum Alloy No Fuss Drop In Gear For Pu Round Belt Motors And Garage Drills

Single groove aluminum pulley pair for pu belt motor shafts
✔️ 5mm bore 31mm outer diameter 15mm height fits pu round belts

This two pack v shaped aluminum pulley transfers steady spin from your bench motor to drill chucks. You slide it onto a tenon bar or flat shaft and tighten the side screw for zero slip grip. It keeps small lathes running smooth without belt chatter.

✅ Single groove track grabs 3 to 5mm pu round belts solid
✅ Light aluminum shell cuts vibration when you push high rpms
✅ Five millimeter center bore lines up perfectly with stock tool arbors
✅ Top mounted fixing screw bites hard into squared hex and flat bars
✅ Compact thirty one millimeter footprint leaves room on crowded benches

💡 What makes a single groove aluminum pulley a handy upgrade for diy motor drives?
The sharp channel tracks standard rubber bands firmly while taking up shock loads efficiently.
- Machined aluminum cores dissipate friction heat faster than plastic alternatives
- Tighter pitch angles deliver better grip when driving heavy milling chucks
- Standardized rim profiles match common garage lathe setups right out of the box

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