MILWAUKEE Straight Flute Taper Tap: 1/4"-18 NPT, 2B, 4 Flute, Taper Chamfer (MPN 49-57-5191)
SKU 3G-OTH-266138
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Frequently Asked Questions
What is a MILWAUKEE 1/4"-18 NPT taper tap used for?
This MILWAUKEE straight flute taper tap cuts internal NPT threads in pipe fittings and holes for plumbing, pneumatic, and hydraulic systems. Its 4-flute design and taper chamfer start threads smoothly, making it ideal for general-purpose threading in metal and plastic.
What are the specifications of the MILWAUKEE 49-57-5191 tap?
The MILWAUKEE 49-57-5191 is a 1/4"-18 NPT straight flute taper tap with a 2B thread class and 4 flutes. It has a taper chamfer for easy starting and is designed for general-purpose pipe threading. The manufacturer part number is 49-57-5191.
Where to buy MILWAUKEE 49-57-5191 taper tap worldwide?
3G Electric supplies the MILWAUKEE 49-57-5191 taper tap to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this general-purpose pipe tap.
How to select the right taper tap for NPT threading?
For NPT threads, choose a taper tap like this MILWAUKEE 1/4"-18 model for starting threads in through holes. Match the tap size to your pipe's nominal diameter and thread pitch. Use cutting fluid for steel and ensure the tap is aligned perpendicular to the workpiece.
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3G Electric supplies MILWAUKEE general purpose pipe taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.












