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

Climax Metal Products

Climax Metal Products ISCC-037-037-S Rigid Conduit Coupling 3/8 in Stainless Steel

SKU CH-PY0Z-MKQFP

Stainless-steel rigid shaft coupling clamps a 3/8 in bore with #6-32 screws, rated to 71 in-lb torque and 4,000 RPM

  • Stainless steel resists corrosion in harsh environments
  • One-piece clamp design simplifies shaft alignment
  • 3/8 in bore fits standard inch-sized shafts
  • 71 in-lb torque rating handles demanding loads
  • 4,000 RPM limit suits high-speed applications

3/8 in Stainless Steel Rigid Coupling

This one-piece clamp coupling connects two 3/8 inch shafts in a rigid joint. The stainless steel body resists corrosion in harsh environments. It is suited for precision motion assemblies that require zero backlash. The plain finish provides a clean surface for inspection.

Max Torque 71 in-lb and 4 000 RPM Limit

The coupling transmits up to 71 in-lb of torque before slip occurs. Operation above 4 000 RPM exceeds the rated speed limit and may cause vibration. The #6-32 clamp screws must be tightened to the specified torque to maintain holding power. Exceeding either limit risks premature wear or shaft damage.

1 1/16 in OD with 1.063 in Clearance

The outside diameter measures 1 1/16 inches and the overall length matches that dimension. A clearance diameter of 1.063 inches is required around the coupling for the clamp screws to engage fully. The design omits a keyway, relying solely on friction clamping for torque transfer. Installers must ensure the bore tolerance matches the 3/8 inch specification.

How it compares

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

Price $30.99
Typical for this category: the median of 1,290 items is $28.99.

Specifications

Product
Brand nameCLIMAX METAL PRODUCTS

Questions about this item

Is the 3/8 in bore the only size offered for this coupling?

The coupling is manufactured with a single 3/8 in bore diameter and a 1 1/16 in outside diameter.

What does the 71 in-lb torque rating mean for my application?

That figure is the maximum torque the clamp can transmit without slipping on the shaft.

Does the #6-32 screw limit the coupling to a specific shaft standard?

The #6-32 clamp screw secures the coupling to any shaft that matches the 3/8 in bore.

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