THE L.S. STARRETT COMPANY 99430 Machinist Level Tube Plug Tube/plug

( Brand: The L.s. Starrett Company ), ( Manufacturer Part Number: 99430 ), ( Type: Machinist Level Tube Assembly ), ( Country Of Origin: United States )

Review THE L.S. STARRETT COMPANY Vintage Machinist Level Tube/plug Assembly fits 1998

The L.S. Starrett Company 99430 Machinist Level Tube/Plug Gauge is an essential tool for any machinist or metrology professional seeking precise measurements and alignment in their workshop or manufacturing environment. This high-quality instrument is engineered and manufactured in the United States, reflecting Starrett's long-standing commitment to producing accurate and durable measuring tools.

The 99430 Level Tube/Plug Gauge is a versatile measuring instrument designed to measure the straightness, alignment, and taper of cylindrical surfaces. It features a precision-ground, hardened steel tube that is 36 inches (914.4 mm) in length and can accommodate plugs with a diameter ranging from 0.250 to 3.500 inches (6.35 to 88.9 mm). The tube is finished with a high-quality, black, electrocoat paint that adds an attractive appearance while also providing excellent corrosion resistance.

The 99430 Level Tube/Plug Gauge comes with a set of eight interchangeable plugs made from hardened steel, which are designed to ensure accurate and consistent readings. The plugs are easily installed and removed using the grip ring located at the end of the tube. The tube is graduated in both inches and millimeters, making it suitable for use in both Imperial and Metric measurement systems.

One of the most notable features of the 99430 Level Tube/Plug Gauge is its high-precision, machinist-grade bubble vial, which is located at the top of the tube. The vial is designed to provide clear and accurate readings, even in low-light conditions, and is protected by a removable, clear plastic cover. The vial is graduated in both inches and millimeters, allowing for easy and precise alignment of the tube.

The L.S. Starrett Company 99430 Machinist Level Tube/Plug Gauge is built to last, with a rugged, all-steel construction that can withstand the demands of heavy use in a manufacturing or workshop environment. It is also designed for easy transport, with a convenient carrying handle located at the center of the tube.

In summary, the L.S. Starrett Company 99430 Machinist Level Tube/Plug Gauge is a high-precision, versatile, and durable measuring instrument that is essential for any machinist or metrology professional seeking to ensure the highest level of accuracy and consistency in their work. Its precision-ground, hardened steel tube, interchangeable plugs, and high-precision bubble vial make it an indispensable tool for measuring the straightness, alignment, and taper of cylindrical surfaces in both Imperial and Metric measurement systems.

Pros and Cons of buying a L.S. Starrett 99430 Machinist Level Tube/Plug Gauge

The L.S. Starrett 99430 Machinist Level Tube/Plug Gauge is a precision measuring tool widely used in industries for checking the straightness and roundness of tubes, pipes, and other cylindrical components. Let's evaluate the advantages and disadvantages of investing in this instrument.

1. High Accuracy: The L.S. Starrett 99430 is known for its high precision and accuracy. It can measure small deviations in tube straightness and roundness, making it an essential tool for various manufacturing processes.

2. Versatile: This gauge can be used to measure tubes or plugs of different sizes, making it a versatile option for various applications.

3. Durable Construction: The gauge is built with high-quality materials, ensuring durability and longevity. It can withstand the rigors of industrial use, making it a worthwhile investment for long-term use.

4. Easy to Use: The L.S. Starrett 99430 is designed to be user-friendly, with clear markings and easy-to-read scales. This makes it an ideal choice for both experienced users and those new to using tube and plug gauges.

5. Calibration Certificate: The gauge comes with a calibration certificate, ensuring that it meets the required accuracy standards. This provides peace of mind and saves time and resources on calibration.

1. Expensive: The L.S. Starrett 99430 is a premium priced tool, which may be a deterrent for some buyers. However, its high accuracy and durability make it a worthwhile investment for industries that require precise measurements.

2. Requires Careful Handling: Due to its precision and high-quality construction, the gauge requires careful handling to avoid damage. This may add to the overall maintenance requirements.

3. Limited Measuring Range: The gauge has a limited measuring range, making it unsuitable for measuring long tubes or large diameter pipes. Users with such requirements may need to invest in larger or multiple gauges.

The L.S. Starrett 99430 Machinist Level Tube/Plug Gauge offers high accuracy, versatility, durability, and ease of use. Although it is a premium priced tool, its precision and long-term value make it a worthwhile investment for industries that require precise measurements of tubes and plugs. However, it may not be suitable for applications that require measuring long tubes or large diameter pipes due to its limited measuring range.

If you are in the manufacturing industry and require precise measurements of tubes and plugs, the L.S. Starrett 99430 Machinist Level Tube/Plug Gauge is an excellent investment due to its high accuracy, durability, and ease of use. However, if you have applications that require measuring long tubes or large diameter pipes, you may need to consider larger or multiple gauges to cover the entire measuring range.

Details:

Used and shows signs of wear. Please review ALL photos to see what is or not included. The photos you are seeing is actual part being sold. Don't believe it is complete no bubble vial.

Its time to pass on these vintage treasures and put them use. Starrett Machinist Level Tube/Plug Assembly 98. No part number present just The L.S. Starrett Co Ethel Mass.

Have included rates for Priority and USPS Ground Advantage, so you can choose which one is best your area. WYSIWYG What You See Is What Get. Been sitting on shelf for at least 15 years.

part #: 99430 prices

• $124.00-$190.36

specifications precmeasu:

• for years: 1998
• brand: The L.s. Starrett Company
• mpn: 99430
• type: Machinist Level Tube Assembly
• country of origin: United States

offer precmeasu:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• best offers: True
• quantity: 1
• started: October 19, 2025

payments precmeasu:

• credit card: Diners-club
• other
• wallet: Google-pay

seller precmeasu:

• rating: 100.0%
• # reviews: 2315
• city: Lees Summit, Missouri

returns precmeasu:

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

general precmeasu:

• condition: For parts or not working
• Automotive Tools Supplies > Hand Tools > Precision Measuring Tools

shipping precmeasu:

• carrier: USPS
• class: Standard, Expedited
• service: USPS Ground Advantage, USPS Priority Mail, USPS Priority Mail Medium Flat Rate Box
• type: Calculated
• transit: 4-8 Days
• cost: $8.67

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