CHICAGO-LATROBE Spiral Flute Tap: 7/16"-14 UNC, H11 / 1B, 3 Flute, Semi-Bottoming Chamfer (MPN 313531)
The CHICAGO-LATROBE Spiral Flute Tap (7/16"-14 UNC) is an oversized spiral-flute tap with a semi-bottoming chamfer, H11 / 1B tolerance, and 3 flutes (MPN 313531). We interpret your threading requirements, source this…
SKU 3G-OTH-211286
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Product Description
The CHICAGO-LATROBE Spiral Flute Tap (7/16"-14 UNC) is an oversized spiral-flute tap with a semi-bottoming chamfer, H11 / 1B tolerance, and 3 flutes (MPN 313531). We interpret your threading requirements, source this genuine OEM tool, and support your production across 14 industrial departments — with specialist depth in combustion, pumps, and controls as an authorised distributor.
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 the CHICAGO-LATROBE 313531 spiral flute tap used for?
The CHICAGO-LATROBE 313531 spiral flute tap is used for threading blind holes in materials such as steel and aluminum. Its spiral flute design evacuates chips upward, preventing clogging. The semi-bottoming chamfer allows threading close to the bottom of the hole. This oversized tap produces an H11 / 1B fit for UNC threads.
What are the specifications of the CHICAGO-LATROBE 313531 tap?
The CHICAGO-LATROBE 313531 is a 7/16"-14 UNC spiral flute tap with an H11 / 1B tolerance, 3 flutes, and a semi-bottoming chamfer. It is an oversized tap designed for threading blind holes. The manufacturer part number is 313531. This tool is suitable for general industrial tapping applications.
Where to buy CHICAGO-LATROBE taps in worldwide?
You can source CHICAGO-LATROBE taps, including the 313531, through 3G Electric. We handle full logistics, customs clearance, and delivery to worldwide destinations. As a global industrial equipment distributor since 1990, we provide reliable sourcing for cutting tools. Contact us for availability and lead times.
How to select the correct spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap with a semi-bottoming chamfer, like the CHICAGO-LATROBE 313531. The spiral flutes push chips out of the hole, preventing breakage. Ensure the tap size matches the thread specification (e.g., 7/16"-14 UNC) and tolerance class (H11 / 1B). Use proper cutting fluid and speed for the material.
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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.
