CHICAGO-LATROBE Tap Kit: 1/4"-28 UNF, H3 / 3B, 4 Flute, LH
SKU 3G-OTH-314888
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Frequently Asked Questions
What is a CHICAGO-LATROBE left-hand tap kit used for?
This CHICAGO-LATROBE tap kit is used to cut left-hand internal threads in metal parts, typically for applications where reverse rotation or vibration could loosen standard right-hand threads. It is common in automotive, aerospace, and industrial maintenance.
What are the specifications of the CHICAGO-LATROBE 318779 tap kit?
The CHICAGO-LATROBE 318779 tap kit includes one bottoming tap with 1/4"-28 UNF thread, H3 / 3B tolerance, 4 flute, left-hand cut, made from high-speed steel. It is designed for through-hole or blind-hole threading in ferrous materials.
Where to buy CHICAGO-LATROBE tap kits worldwide?
3G Electric supplies CHICAGO-LATROBE tap kits worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 318779 left-hand tap kit.
How to select the correct tap kit for left-hand threads?
To select a left-hand tap kit like the CHICAGO-LATROBE 318779, match the thread size (1/4"-28 UNF), direction (left-hand), and tolerance class (H3 / 3B) to your application. Use a bottoming tap for blind holes; a taper or plug tap for through holes.
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Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
3G Electric supplies CHICAGO-LATROBE left-hand three-piece hand tap sets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









