Milwaukee's High Carbon Steel SAE Straight Plug Tap 14-20 NS is designed to deliver precise, durable internal threading in metalworking projects. Constructed from rugged high carbon steel and finished in black oxide, this plug tap provides long-lasting performance in steel, cast iron, and compatible alloys. The straight flute geometry promotes efficient chip control and smooth cutting, helping you achieve clean threads even in tougher materials.
Product highlights at a glance:
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Material: High carbon steel for enhanced hardness and wear resistance
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Finish: Black oxide to reduce corrosion and improve lubricity during tapping
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Style: Straight plug tap, single-piece construction for reliable alignment
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Tap Size: 14-20 NS
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Length: 2.5 inches
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Packaging: Carded, sold as a single unit
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Usage: Ideal for creating or repairing internal threads in metalworking projects
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Drill Bit Included: No
Why this Milwaukee plug tap stands out
What makes this tap unique is the combination of alloy-grade hardness and a finish that balances durability with ease of cutting. The high carbon steel construction stands up to repeated tapping sessions in demanding shop environments, while the black oxide layer minimizes galling and extends tool life. The straight flute design simplifies chip evacuation, which helps prevent built-up pressure and reduces the risk of cross-threading on difficult materials.
Ideal uses and scenarios
- Repairing or fabricating internal threads in steel components, housings, or brackets
- Automotive repairs where reliable, repeatable thread creation is needed
- General metalworking and machine shop projects requiring precise 14-20 NS threads
- DIY projects involving aluminum or cast materials when used with appropriate lubrication
Operational tips for best results
- Ensure you have the correct pre-drilled hole size and use proper tapping fluid or cutting oil to minimize friction and heat.
- Align the tap carefully with the workpiece to avoid cross-threading; start slowly to establish a true thread.
- _back off periodically_ to break chips and avoid binding, especially in harder metals.
- Pair with a quality tap wrench or machine tap setup to maintain steady pressure and straight advancement.
With its robust construction, practical 2.5-inch reach, and purpose-built design for SAE 14-20 NS threads, this Milwaukee plug tap is a dependable choice for professionals and serious enthusiasts tackling metal threading tasks. Keep it in your toolbox for reliable performance on fabrication, maintenance, and repair projects where precise internal threads matter.