Keyed Shaft Collar, 1pc Double Wide, Bore 8mm, Steel, OD 18mm MPN:MWCLK-8-F

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Brand: RULAND
Part #: MWCLK-8-F
UPC: 634529305591
SKU
510-G3399858
Regular Price $94.91 Special Price $67.79

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Keyed Shaft Collar, 1pc Double Wide, Bore 8mm, Steel, OD 18mm

Ruland's Keyed Shaft Collar is a versatile and reliable component ideal for a variety of applications, including mechanical stops, load-bearing faces, and component alignment. Its unique design features a 2mm keyway for positive drive and extra torque capacity, making it suitable for use as a shaft collar or short rigid coupling in applications where standard length rigid couplings won't fit. With its superior holding power, fine burr-free finish, and corrosion-resistant proprietary black oxide formulation, this collar ensures precise performance and durability in demanding environments. Its precision face and controlled face-to-bore perpendicularity ensure optimal results in critical applications.

Top product features:

  • This one-piece double wide shaft collar has a 8mm bore and 2mm keyway allowing for positive drive applications and extra torque capacity.
  • The collar has tightly controlled face to bore perpendicularity (TIR of < 0.05mm) which is critical when the collar is used as a load bearing face, mechanical stop, or for component alignment.
  • The collar is manufactured from 1215 lead-free steel to a fine burr-free finish with a proprietary black oxide formulation that creates a fine glossy appearance and increases holding power and corrosion resistance.

Top product applications:

  • Load bearing face
  • Mechanical stop
  • Component alignment
Ruland clamp style shaft collars do not mar the shaft, are infinitely adjustable, and have superior holding power when compared to set screw collars. This one-piece double wide shaft collar has a 8mm bore, 2mm keyway, 18mm OD, and 20mm width. It has about 25% more holding power than standard round bore collars of equivalent bore size and can be used as a short rigid coupling in applications where standard length rigid couplings will not fit. The addition of a keyway allows for use in positive drive applications as a shaft collar or for extra torque capacity when used as a rigid coupling. Tightly controlled face to bore perpendicularity is maintained (TIR of < 0.05mm) which is critical when the collar is used as a load bearing face, mechanical stop, or for component alignment. The work surface is identified by two grooves on the face allowing the user to easily identify which side is precision faced. This collar is stamped with the Ruland name and bore size for ease of identification. It is manufactured from 1215 lead-free steel to a fine burr-free finish with Ruland's proprietary black oxide formulation which creates a fine glossy appearance and increases holding power and corrosion resistance. Hardware tests beyond DIN 912 12.9 standards for maximum holding power. It is RoHS and REACH compliant.

Additional Information

  • Country of Origin: US
  • Drop Ship Item: Yes
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 2 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 7.00
  • Package Width: 4.00
  • Package Height: 2.00
  • Package Weight: 0.06
Product info last updated on February 8, 2026 1:31pm UTC Category: Bearings, V-belts and Power Transmission Equipment
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