Milwaukee High Carbon Steel SAE Straight Plug Tap, 5/8-11 NC, is built for machinists and fabricators who demand durable, precise internal threading in metalworking projects. Crafted from high carbon steel and finished in black oxide, this plug tap delivers clean, accurate cuts with reduced galling and longer tool life.
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Material you can count on: high carbon steel for rigidity, wear resistance, and consistent thread formation.
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Thread size and style: 5/8-11 NC straight plug tap for creating internal threads to the National Coarse standard.
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Finish that lasts: black oxide finish enhances wear resistance and helps resist corrosion in tough shop environments.
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Compact, practical length: 3.75" overall length designed for balance between reach and maneuverability.
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Retail-ready packaging: carded packaging, sold as a single Milwaukee plug tap.
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Note on inclusions: drill bit not included.
How this plug tap fits into your workflow
For reliable internal threading in metal, drill the pilot hole, align the straight plug tap with the hole, and advance with a tap wrench or T-handle. Maintain steady pressure and rotate several turns to cut the threads, then back off to clear chips. The straight design simplifies alignment, and the 3.75" length provides the right balance of reach and control for steel, cast iron, and other common metals. Use appropriate cutting oil to maximize thread quality and tool life.
Ideal for
Professional machinists, fabrication shops, automotive hobbyists, and serious DIY enthusiasts who need dependable internal threads without sacrificing control or durability will appreciate this Milwaukee plug tap.
Why Milwaukee
Milwaukee delivers rugged, long-lasting hand tools designed for demanding jobs. This High Carbon Steel SAE Straight Plug Tap combines Milwaukee’s precision engineering with a durable black oxide finish to deliver consistent thread quality across tasks and over time.