Black Oxide Steel Recessed Screw Clamping Collar, Two-Piece Shaft Collar With 3 Inch Bore, 4-1/2 Inch OD, 3/8-24 x 1-1/4 Inch Set Screw, Heavy-Duty Clamp For High Axial Load, Safe Exterior Profile

Two-Piece Recessed Screw Shaft Collar in Black Oxide
✔️ 3 in bore, 4.5 in OD, 3/8-24 x 1-1/4 in screws

This two-piece clamping shaft collar locks components on shafts with a strong grip and adjustable positioning, making it a solid choice for automotive assemblies, conveyors, and hobby projects where a safe exterior profile matters.

✅ Material: Black oxide steel for weldability and rust resistance
✅ Finish: Black oxide finish reduces stick-slip and aids lubricity
✅ Design: Two-piece clamp with recessed screw head for a smooth exterior profile
✅ Size: Bore 3 in (76.2 mm); OD 4.5 in (114.3 mm); Set screws 3/8-24 x 1-1/4 in
✅ Temperature: -17 to 148 C (0 to 300 F)
✅ Includes: Socket-head cap screws for mounting

💡 What is a two-piece clamping shaft collar and why choose a recessed-screw design?

This handy part helps secure components on rotating shafts while allowing easy repositioning without removing others.

- Handy for locating components on shafts under axial load - Great for changing positions on conveyors, wheels, or axles - Recessed screw head gives a safe exterior profile - Black oxide steel resists corrosion and improves lubricity✝️