CHICAGO-LATROBE Spiral Flute Tap: 3/8"-16 UNC, H11 / 1B, 3 Flute, Semi-Bottoming Chamfer (MPN 313584)
The CHICAGO-LATROBE Spiral Flute Tap (MPN 313584) is an oversized spiral-flute tap with a 3/8"-16 UNC thread size. It features an H11 / 1B tolerance, 3 flutes, and a semi-bottoming chamfer design. 3G Electric…
SKU 3G-OTH-211294
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Product Description
The CHICAGO-LATROBE Spiral Flute Tap (MPN 313584) is an oversized spiral-flute tap with a 3/8"-16 UNC thread size. It features an H11 / 1B tolerance, 3 flutes, and a semi-bottoming chamfer design. 3G Electric interprets your demand for this OEM-specified tool and delivers it with accountable sourcing across 14 industrial departments, backed by specialist expertise in combustion, pumps, and controls.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a CHICAGO-LATROBE spiral flute tap used for?
A CHICAGO-LATROBE spiral flute tap is used for threading blind holes in materials like steel and aluminum. The spiral flute design pulls chips upward and out of the hole, preventing clogging. This 3/8"-16 UNC tap with a semi-bottoming chamfer is ideal for threading close to the bottom of a hole.
What are the specifications of the CHICAGO-LATROBE 313584 tap?
The CHICAGO-LATROBE 313584 is a 3/8"-16 UNC spiral flute tap with an H11 / 1B tolerance, 3 flutes, and a semi-bottoming chamfer. It is an oversized tap designed for producing threads with a slightly larger pitch diameter, suitable for applications requiring a looser fit.
Where to buy CHICAGO-LATROBE taps worldwide?
You can source CHICAGO-LATROBE taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the 313584 spiral flute tap.
How to select the right CHICAGO-LATROBE tap for a job?
To select the right CHICAGO-LATROBE tap, match the thread size (e.g., 3/8"-16 UNC), chamfer type (semi-bottoming for blind holes), and flute style (spiral for chip evacuation). Consider material hardness and required thread class (H11 / 1B). For oversized taps, ensure the hole diameter accommodates the larger thread.
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Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
3G Electric supplies CHICAGO-LATROBE oversized spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













