MARTYR Shaft Collar Donut Zinc 628309103057 CMC-03

( Brand: Martyr ), ( Part Type: Shaft ), ( Manufacturer Part Number: CMC03 ), ( UPC: 628309103057 )

Review MARTYR Shaft Collar Donut Zinc Inch

The CMC-03 Shaft Collar Donut, manufactured by Martyr, is a versatile and reliable fastening solution designed for securing the connection between a shaft and a housing or flange. This donut-shaped collar is engineered with a zinc finish, ensuring durability and resistance to corrosion, making it an excellent choice for various industrial applications.

The CMC-03 Shaft Collar Donut features a compact design with an outer diameter of approximately 1.57 inches (39.9 mm) and an inner diameter of around 1.26 inches (32 mm). This size range is suitable for medium-sized shafts and provides a good balance between strength and ease of installation.

The collar consists of two components: the collar body and the locknut. The collar body is donut-shaped with an evenly spaced ribbed design on the outer surface, which increases the contact area between the collar and the shaft, ensuring a secure and reliable grip. The ribbed design also helps distribute the load evenly, reducing the risk of deformation under heavy loads.

The locknut, which is included with the collar, is designed to be tightened against the housing or flange to securely hold the collar in place. The locknut comes with 12 external threads, allowing it to be easily tightened using standard wrenches or other torque tools.

The zinc finish on the CMC-03 Shaft Collar Donut provides an additional layer of protection against environmental factors, such as moisture, dust, and chemicals, ensuring long-lasting performance. The zinc coating also offers good electrical conductivity, making it an excellent choice for applications where electrical continuity is required.

Installation of the CMC-03 Shaft Collar Donut is straightforward. First, position the collar around the shaft, ensuring that the ribbed design faces outward. Next, tighten the locknut against the housing or flange using a wrench or torque tool. Finally, secure the collar in place using bolts or other fasteners, if necessary.

In summary, the Martyr CMC-03 Shaft Collar Donut is a robust and reliable fastening solution for securing the connection between a shaft and a housing or flange. Its compact design, ribbed surface, and zinc finish make it an excellent choice for a wide range of industrial applications, providing superior strength, durability, and resistance to corrosion.

Pros and Cons of Buying Martyr CMC-03 Shaft Collars: A Detailed Analysis

The Martyr CMC-03 Shaft Collars are zinc-plated donut-style collars used to secure the connection between two shafts. These collars are widely used in various industries due to their durability and versatility. In this analysis, we will discuss the key advantages and disadvantages of purchasing Martyr CMC-03 Shaft Collars.

1. Durability: The zinc-plating provides excellent corrosion resistance, making these shaft collars suitable for use in harsh environments.

2. Versatility: These collars are available in various sizes to accommodate different shaft diameters.

3. Easy Installation: They can be easily installed without the need for special tools or expertise.

4. Cost-Effective: Compared to other types of shaft collars, Martyr CMC-03 collars are relatively affordable.

5. Secure Connection: The donut-style design provides a secure connection between the two shafts, minimizing the risk of leakage or separation.

1. Limited Load Capacity: Martyr CMC-03 Shaft Collars have a lower load capacity compared to other types of shaft collars, making them unsuitable for heavy-duty applications.

2. Requires Regular Maintenance: While the zinc-plating provides excellent corrosion resistance, it can wear off over time, requiring regular maintenance to prevent rusting.

3. Not Suitable for High Temperatures: These shaft collars are not suitable for high-temperature applications, as the zinc-plating can melt and cause damage.

In conclusion, Martyr CMC-03 Shaft Collars offer several advantages, including durability, versatility, easy installation, cost-effectiveness, and secure connection. However, they have some limitations, such as a lower load capacity, the need for regular maintenance, and a limited temperature range.

Based on this analysis, Martyr CMC-03 Shaft Collars are recommended for applications that require a secure connection between two shafts in moderate environments with reasonable load requirements. They are an excellent choice for industries such as food processing, textile manufacturing, and general machinery applications. However, if you require a shaft collar for heavy-duty applications, high temperatures, or a higher load capacity, it is recommended to consider other types of shaft collars.

part # cmc03 prices

• $14.95-$40.99

specifications scowware:

• brand: Martyr
• part type: Shaft
• manufacturer part number: CMC03
• upc: 628309103057

general scowware:

• Parts Accessories > Boat Parts > Deck Cabin Hardware
• condition: New other see details

seller scowware:

• rating: 99.4%
• # reviews: 19568

shipping scowware:

• service: USPS Ground Advantage
• cost: $0.00
• carrier: USPS
• class: Standard
• type: Fixed
• transit: 2-7 Days

returns scowware:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

offer scowware:

• availability: In Stock
• options: Ship-to-home
• started: June 16, 2026
• sold: 0

payments scowware:

• other
• credit card: Mastercard
• wallet: Paypal

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