CHICAGO-LATROBE Extension Tap: M12x1.75 Metric, D11, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313553)
SKU 3G-OTH-313631
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Frequently Asked Questions
What is a CHICAGO-LATROBE M12x1.75 extension tap used for?
This CHICAGO-LATROBE extension tap is used for threading blind or deep holes in metal where a standard tap cannot reach. Its D11 plug chamfer and 3-flute spiral-point design push chips forward, making it ideal for through-hole applications in machining and maintenance.
What are the specifications of the CHICAGO-LATROBE 313553 extension tap?
The CHICAGO-LATROBE 313553 is an M12x1.75 metric extension tap with a D11 plug chamfer, 3 flutes, and high-speed steel construction. It is designed for threading deep or hard-to-reach holes and is commonly used in industrial machining and repair.
Where to buy CHICAGO-LATROBE extension taps worldwide?
3G Electric supplies CHICAGO-LATROBE extension taps worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the M12x1.75 D11 plug chamfer tap (MPN 313553).
How to select the right extension tap for deep hole threading?
Select an extension tap like the CHICAGO-LATROBE M12x1.75 based on thread size, chamfer type, and material. For blind holes, use a plug or bottoming chamfer; for through holes, a taper chamfer works. High-speed steel suits general machining; ensure the extension length reaches your hole depth.
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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.















