Mitutoyo 184-304S Feeler Gauge: Best For Metal Thickness Measurement

The Mitutoyo 184-304S feeler gauge is a high-precision instrument designed for measuring the thickness of metal components. With a range of 0.05mm to 1mm and 20 straight leaves, each 150mm in length, this tool is essential for professionals in machining, automotive, and mechanical engineering fields.

Manufactured by Mitutoyo, a renowned Japanese brand known for its commitment to quality and precision, the 184-304S model exemplifies durability and accuracy.

Product Overview : Mitutoyo 184-304S Feeler Gauge

• Brand: Mitutoyo
• Model: 184-304S
• Range: 0.05mm to 1mm
• Number of Leaves: 20
• Leaf Length: 150mm
• Leaf Width: 13mm
• Material: Alloy Steel
• Style: Straight
• Weight: 0.18 kg
• Country of Origin: Japan

The 184-304S feeler gauge is designed with 20 leaves, each marked with its specific thickness, allowing for precise measurements.

The straight blades are 150mm long, providing ample length for various applications. The alloy steel construction ensures durability and resistance to wear, making it suitable for both workshop and field use.

Features and Specifications :

1. Precision and Accuracy

The leaves are manufactured to stringent tolerances, ensuring accurate measurements. According to MRM Metrology, the accuracy of the leaf thickness varies with the nominal thickness:

• 0.01mm to less than 0.06mm: ±0.003mm
• 0.06mm to less than 0.10mm: ±0.004mm
• 0.10mm to less than 0.35mm: ±0.005mm
• 0.35mm to less than 0.65mm: ±0.008mm
• 0.65mm to less than 3.0mm: ±0.01mm

These tolerances ensure high precision, making the 184-304S suitable for critical measurements in various industries.

2. Durable Construction

The use of alloy steel in the construction of the leaves provides strength and resistance to corrosion. This durability ensures that the feeler gauge maintains its accuracy over time, even under harsh working conditions.

3. Ease of Use

Each leaf is marked with its thickness, facilitating quick identification and selection. The straight design of the leaves allows for easy insertion into tight spaces, making it convenient for users to measure gaps and clearances accurately.

4. Versatility

With a thickness range from 0.05mm to 1mm, the 184-304S can be used in various applications, including:

• Machining: Ensuring proper clearances and tolerances in machined parts.
• Automotive: Measuring valve clearances and other critical dimensions in engines.
• Mechanical Engineering: Verifying dimensions in assemblies and components.

Positive Aspects :

• High Precision: The stringent manufacturing tolerances ensure accurate measurements, which is crucial for quality control and precision engineering.
• Durability: The alloy steel construction provides long-lasting performance, even in demanding environments.
• Ease of Use: The marked leaves and straight design make it user-friendly, reducing the time spent on measurements.
• Versatility: The wide range of thicknesses allows for use in various applications, enhancing its utility in different fields.

Potential Drawbacks :

• Price: As a high-quality tool, the 184-304S may be priced higher than some alternatives, which could be a consideration for budget-conscious buyers.
• Not Stainless Steel: Some users may prefer stainless steel for its corrosion resistance, but the alloy steel used in this model offers adequate durability for most applications.

Customer Reviews :

The Mitutoyo 184-304S has received positive feedback from users worldwide. On Amazon, it holds a rating of 4.8 out of 5 stars, with users praising its precision and build quality. One reviewer noted, “Exactly what I expected. They work great at the shop” .

Comparison with Similar Models :

When compared to other Mitutoyo feeler gauges, such as the 184-303S, the 184-304S offers a similar range and leaf length. However, the 184-303S model includes 28 leaves, providing a broader range of thicknesses. Depending on the specific requirements of the user, either model could be suitable.

Conclusion :

The Mitutoyo 184-304S feeler gauge is a reliable and precise tool for measuring metal thicknesses. Its durable construction, ease of use, and versatility make it a valuable asset for professionals in various industries. While it may come at a higher price point, the investment is justified by its performance and longevity.

For those seeking a high-quality feeler gauge that delivers accurate measurements and withstands the rigors of daily use, the Mitutoyo 184-304S is an excellent choice.