Heavy Duty Rigid Shaft Coupling Set Made Of Mild Steel With Black Oxide Coating One Inch Bore Diameter Two Inch Outside Diameter Three Inch Length Featuring Keyway Grooves And Hex Socket Screws For Rock Solid Torque Transfer And No Fuss Install

Sturdy single piece shaft coupling for heavy power transfer
✔️ Complete set includes two units, 1 inch bore, 2 inch OD

This heavy duty rigid shaft coupling set connects two rotating axles while keeping perfect parallel alignment during busy operations. Workshop mechanics and plant managers love these one piece clamp style joints because they slide onto matching drive shafts and lock down instantly. You get direct torque delivery to conveyors, mixers, and pump drives without hauling in big crane rigs or taking machines apart.

✅ Provides steady torque transmission with exact angular alignment
✅ Black oxide surface treatment guards against workshop moisture spots
✅ Accepts 3/16 inch wide keys for positive shaft rotation locking
✅ Uses 5/16-18 hex socket head fasteners for quick tool assembly
✅ Rated for 750 inch pounds of twisting force up to 1800 RPM

💡 What helps a rigid clamp coupling handle misaligned motor shafts safely
Mounting this joint correctly keeps your equipment running smooth and stops metal fatigue dead in its tracks. Getting the spacing right saves serious labor hours down the road.
- Match the inner hole size to your drive shaft for a snug drag free fit
- Drop the square keyway into place before snugging down the hardware
- Run a dial indicator to confirm spin tolerances stay within spec limits
- These steel pairs offer a handy upgrade for noisy industrial gearboxes

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