CHICAGO-LATROBE Extension Tap: 1/2"-13 UNC, H11, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313548)
The CHICAGO-LATROBE Extension Tap is a spiral-point extension tap with a 1/2"-13 UNC thread size. It features an H11, plug chamfer design, 3 flutes, and is made of high-speed steel (MPN 313548).
SKU 3G-OTH-313623
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Product Description
The CHICAGO-LATROBE Extension Tap is a spiral-point extension tap with a 1/2"-13 UNC thread size. It features an H11, plug chamfer design, 3 flutes, and is made of high-speed steel (MPN 313548).
Frequently Asked Questions
What is the CHICAGO-LATROBE Extension Tap 313548 used for?
This extension tap is used for threading blind or through holes in metal where standard taps cannot reach. It is ideal for automotive, aerospace, and general manufacturing applications requiring precise UNC threads in deep or recessed areas.
What are the specifications of the CHICAGO-LATROBE Extension Tap 313548?
The CHICAGO-LATROBE Extension Tap has a 1/2"-13 UNC thread size, H11 tolerance, 3 flutes, plug chamfer, and is made of high-speed steel. The manufacturer part number is 313548. It is designed for spiral-point geometry to push chips forward.
Where to buy the CHICAGO-LATROBE Extension Tap 313548 worldwide?
You can source the CHICAGO-LATROBE Extension Tap 313548 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct tap for your threading needs.
How to select the correct CHICAGO-LATROBE Extension Tap for my application?
Select based on thread size (e.g., 1/2"-13 UNC), material (high-speed steel for general metals), flute count (3 flutes for chip evacuation), and chamfer type (plug for most holes). Ensure the tap length reaches your threading depth. CHICAGO-LATROBE taps are precision-ground for consistent performance.
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Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
3G Electric supplies CHICAGO-LATROBE spiral-point extension taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















