Milwaukee High Carbon Steel SAE Straight Taper Tap 1/4-18 NPT is engineered for durable, dependable threading in metalworking projects. At 2.5 inches in length, this taper tap delivers a confident start in tight spaces while forming accurate, leak‑tight 1/4-18 NPT threads right where you need them.
crafted from high carbon steel for exceptional edge retention, and finished in black oxide to reduce friction, resist corrosion, and extend life under demanding use. The straight flute design paired with a taper profile ensures smooth engagement and gradual cutting, helping to minimize thread chatter and reducing the risk of cross‑threading during setup. Packaged in a carded retail presentation, it’s easy to accessorize your toolbox with a trusted Milwaukee tool you can count on.
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Material: High carbon steel for strong wear resistance and long edge life
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Finish: Black oxide coating for lubricity and corrosion resistance
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Type & size: SAE straight taper tap, 1/4-18 NPT
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Length: 2.5 inches
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Packaging: Carded for retail display
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Usage: Designed for metalworking and threading applications
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Drill bit included: No
Who this is for
Ideal for professional machinists, automotive technicians, plumbers, and serious DIY enthusiasts who regularly create or repair 1/4‑inch NPT threaded holes in steel, cast iron, or other metals. It’s a reliable choice for maintenance tasks, fabrication projects, and equipment repairs where durable, consistent NPT threads matter most.
Common use cases
- Creating or repairing 1/4-18 NPT threaded openings in steel brackets, housings, and housings where pipe fittings are installed
- Initial threading pass in metalworking projects where a tapered cut is required for proper thread engagement
- Perfoming maintenance on hydraulic, pneumatic, or water systems that use 1/4" NPT components
How to use
- Identify a suitable pre-drilled hole sized for 1/4-18 NPT threads and deburr the entry to ensure clean alignment.
- Secure the workpiece and, if possible, use a tap wrench or a compatible threading tool to maintain perpendicular alignment.
- Apply a light coating of cutting oil or threading fluid to the tap and the work area to reduce heat and friction.
- Engage the tap straight into the hole and turn slowly to cut the first few threads. Maintain steady pressure and avoid forcing the tap sideways.
- Continue tapping with even, incremental turns, backing off occasionally to break and clear chips. Stop once you reach the desired thread depth.
- Clean the newly formed threads, inspect for uniform engagement, and test with a compatible 1/4-18 NPT fitting.
When you need a durable, purpose-built tool for creating reliable NPT threads, the Milwaukee 1/4-18 NPT taper tap emphasizes longevity and precision. Its high carbon steel construction, black oxide finish, and thoughtful taper geometry deliver consistent results across metalworking tasks, making it a dependable addition to any shop or toolbox.
