CHICAGO-LATROBE Spiral Flute Tap: 1/2"-13 UNC, H11 / 1B, 3 Flute, Semi-Bottoming Chamfer (MPN 313588)
The CHICAGO-LATROBE Spiral Flute Tap (MPN 313588) is an oversized spiral-flute tap in 1/2"-13 UNC, featuring an H11 / 1B tolerance, 3-flute design, and semi-bottoming chamfer. 3G Electric interprets this demand and…
SKU 3G-OTH-211258
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Product Description
The CHICAGO-LATROBE Spiral Flute Tap (MPN 313588) is an oversized spiral-flute tap in 1/2"-13 UNC, featuring an H11 / 1B tolerance, 3-flute design, and semi-bottoming chamfer. 3G Electric interprets this demand and sources the genuine OEM part, backed by specialist expertise across 14 industrial departments.
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 chip clogging and ensuring clean threads. It is ideal for production tapping in automotive, aerospace, and general manufacturing applications.
What are the specifications of the CHICAGO-LATROBE 1/2"-13 UNC spiral flute tap?
This CHICAGO-LATROBE tap has a 1/2"-13 UNC thread size, H11 / 1B tolerance, 3 flutes, and a semi-bottoming chamfer. The MPN is 313588. It is an oversized tap designed for threading blind holes where chip evacuation is critical. The spiral flute geometry ensures efficient chip removal.
Where to buy CHICAGO-LATROBE taps in 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 times. We supply genuine CHICAGO-LATROBE cutting tools for industrial applications.
How to select the correct CHICAGO-LATROBE spiral flute tap for a blind hole?
To select the correct CHICAGO-LATROBE spiral flute tap for a blind hole, match the thread size and pitch (e.g., 1/2"-13 UNC) to your application. Choose a semi-bottoming chamfer for threading close to the hole bottom. Ensure the tap tolerance (H11 / 1B) aligns with your required thread class. Always use proper cutting fluid.
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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.














