CHICAGO-LATROBE Tap Kit: 1/4"-20 UNC, H1 / 3B, 4 Flute
SKU 3G-OTH-319723
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Frequently Asked Questions
What is a CHICAGO-LATROBE 1/4"-20 UNC tap kit used for?
This three-piece hand tap set is used for cutting internal threads in metal. It includes taper, plug, and bottoming taps for starting, continuing, and finishing threads in blind or through holes. Ideal for maintenance, tooling, and production work across industrial machining departments.
What are the specifications of the CHICAGO-LATROBE 330080 tap kit?
The kit contains three high-speed steel taps: one each taper, plug, and bottoming. Thread size is 1/4"-20 UNC, class 3B fit, with 4 flutes. Manufacturer part number is 330080. It is designed for hand threading in ferrous and non-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 and customs clearance to deliver this three-piece hand tap set to your facility. Contact us for pricing and lead time on the 330080 kit.
How to select the right hand tap set for threading?
Choose a set with taper, plug, and bottoming taps for versatility. Match thread size (e.g., 1/4"-20 UNC) and class of fit (3B) to your application. High-speed steel suits general machining. For blind holes, the bottoming tap reaches the full depth. CHICAGO-LATROBE kits provide reliable performance.
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3G Electric supplies CHICAGO-LATROBE three-piece hand tap sets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















