Starrett Tube and Plug Assembly, 8" Length
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- Precision Tool - Designed for the 98 Series Machinists Level, providing high accuracy and reliability.
- Easy Installation - Simple to assemble and integrate with your existing Starrett Machinists Level.
- Versatile Compatibility - Specifically tailored for the 98-8" level, enhancing its functionality and precision.
- Essential Accessory - A must-have for maintaining the performance and accuracy of your Starrett Machinists Level.
- The Standard for Excellence - Proudly made in the USA, Starrett combines over 140 years of American heritage and innovation with globally sourced materials to deliver exceptional quality tools and products.
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Select a product to estimate shipping.Crafted from cast iron and precision-machined on the reference surface, the base delivers lasting durability. An involute groove runs the length of the base, providing a reliable seat for round work and ensuring stability in demanding applications.
Main level vials feature precise graduations for reliable readings, complemented by a cross vial to reduce errors during use. Each vial is adjustable to a positive setting and housed in a satin-finished brass tube with a friction-fit closing cover, enhancing both accuracy and durability.
Model 98-8 Technical Specifications
Engineered for precision in machine shop and toolroom environments, the Starrett 98 Machinists Level delivers dependable accuracy in a compact form factor.
Compact & Precise : 200mm (8") size, ideal for tight workspaces. Includes a cross-test vial for multi-axis leveling.
Stable on Round Work : The base features a precision-machined involute groove, ensuring a secure seat on cylindrical surfaces.
Reliable Accuracy : Main level vials are graduated to approximately 80–90 seconds or .005" per foot (0.42mm per meter), providing consistent, trustworthy readings.
Durable Construction : Built without a case, this model is ready for direct integration into your workflow.
Starrett offers a wide range of levels for both jobsite and workshop use. This section highlights our precision-machined metal levels—crafted for machinists, toolmakers, and professionals who demand uncompromising accuracy. Explore our lineup of ground and graduated vial levels, precision bench levels with double plumbs up to 24", cross-test levels, and more.
Product details





| Main Specification | |
|---|---|
| Included Components | Levels or Industrial Tools & Instruments or Dimensional Measuring |
| Manufacturer | L.S. Starrett Company |
| Unit Count | 1 Count |
| Brand | Starrett |
| UPC | 049659644982 |
| Number of Items | 1 |
| Operation Mode | Manual |
| Material | Brass |
| Colour | Silver |
| Style | Standard |
| Global Trade Identification Number | 00049659644982 |
| Technical Details | |
| Manufacturer Part Number | PT99431 |
| Material Type | Brass |
| Item details | |
| Model Number | PT99431 |
| Style | |
| Style Name | Standard |
| Others | |
| Item Highlight | For 98 Series Machinists Level or PT99431 |
| Product Type | levels |







