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Stainless steel rigid shaft coupling, plain finish, one-piece clamp design

Climax Metal Products

Climax Metal Products Rigid Coupling 1 1/4 in Bore Stainless Steel

SKU CH-13H7-W7ACH

Connects two 1 1/4 inch shafts with a one-piece stainless-steel clamp rated to 1,660 in-lb torque and 4,000 RPM

  • Stainless steel construction resists corrosion
  • Rigid one-piece clamp ensures precise shaft alignment
  • 1 1/4 inch bore fits matching shafts directly
  • 1,660 in-lb torque capacity handles demanding loads
  • 4,000 RPM maximum speed suits high-speed applications

Rigid Coupling 1 1/4 in Bore

This Climax Metal Products rigid coupling connects two shafts with a 1 1/4 inch bore diameter. The one-piece clamp design uses a 1/4 inch-28 screw for secure fastening. It is manufactured from stainless steel with a plain finish for corrosion resistance.

Suited for Inline Shaft Connections

Maintenance teams and machinery builders use this coupling to join aligned shafts in light industrial equipment. The 1 660 in-lb torque rating and 4 000 RPM limit suit moderate power transmission. It is not for applications requiring keyway locking or flexible misalignment compensation.

Maximum Torque 1 660 in-lb

This rating determines whether the coupling handles your load without slipping or fatigue. The 2.313 inch clearance diameter and 2 5/16 inch overall length define the installed envelope. Verify both values against your shaft spacing and power requirements before purchase.

How it compares

Measured against everything we stock in Electrical Conduit & Fittings, at today’s prices. Recalculated every night.

Price $123.99
Pricier than about 90% of the 1,290 comparable items (median $28.99).

Specifications

Product
Brand nameCLIMAX METAL PRODUCTS

Questions about this item

Should I pick a coupling with a 1 1/4 in bore or a different size?

Choose the 1 1/4 in bore only if your shaft matches that exact diameter; the coupling has no keyway and relies on the clamp screw for grip.

What does the 1,660 in-lb torque rating mean once installed?

It is the maximum torque the clamp can transmit before slipping; do not exceed it or the connection will lose drive.

How does the 1/4 in.-28 screw size cap the coupling's performance?

The screw size sets the clamping force limit; it directly governs the 1,660 in-lb torque ceiling and the 4,000 RPM speed limit.

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