CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 2 Flute, Plug Chamfer (MPN 330145)
The CHICAGO-LATROBE Spiral Point Tap (MPN 330145) is a general purpose spiral-point tap with a 5/16"-18 UNC thread size, featuring an H5 / 2B-3B tolerance, 2-flute design, and plug chamfer. 3G Electric interprets…
SKU 3G-OTH-214629
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Product Description
The CHICAGO-LATROBE Spiral Point Tap (MPN 330145) is a general purpose spiral-point tap with a 5/16"-18 UNC thread size, featuring an H5 / 2B-3B tolerance, 2-flute design, and plug chamfer. 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments, with specialist depth in machining and cutting tools to ensure you get the right solution.
Frequently Asked Questions
What is the CHICAGO-LATROBE Spiral Point Tap 330145 used for?
This spiral point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its plug chamfer and 2-flute design push chips forward, making it ideal for production tapping in automotive, aerospace, and general manufacturing applications.
What are the specifications of the CHICAGO-LATROBE 330145 tap?
The CHICAGO-LATROBE 330145 is a 5/16"-18 UNC spiral point tap with H5 tolerance for 2B-3B thread classes. It has 2 flutes and a plug chamfer, designed for through-hole tapping. The manufacturer part number is 330145.
Where to buy CHICAGO-LATROBE taps in worldwide?
3G Electric supplies CHICAGO-LATROBE taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the 330145 spiral point tap.
How to select the right CHICAGO-LATROBE tap for through holes?
For through holes, choose a spiral point tap like the 330145 to push chips ahead and prevent clogging. Match thread size (5/16"-18 UNC), chamfer type (plug), and tolerance (H5 for 2B-3B) to your material and application. Consult CHICAGO-LATROBE's catalog for material-specific recommendations.
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3G Electric supplies CHICAGO-LATROBE general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















