CHICAGO-LATROBE Spiral Point Tap: 5/8"-18 UNF, H11 / 1B, 3 Flute, Plug Chamfer
The CHICAGO-LATROBE Spiral Point Tap (SKU 449T56, MPN 313511) is an oversized spiral-point tap with a 5/8"-18 UNF thread, featuring an H11 / 1B tolerance, plug chamfer, and 3-flute high-speed steel construction. 3G…
SKU 3G-OTH-251187
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Product Description
The CHICAGO-LATROBE Spiral Point Tap (SKU 449T56, MPN 313511) is an oversized spiral-point tap with a 5/8"-18 UNF thread, featuring an H11 / 1B tolerance, plug chamfer, and 3-flute high-speed steel construction. 3G Electric interprets this demand and sources the genuine OEM part across 14 industrial departments, with specialist depth in cutting tools and machining supplies.
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 Spiral Point Tap 313511 used for?
This tap is used for threading through-holes in metal, primarily in industrial manufacturing and maintenance. Its spiral-point design pushes chips forward, reducing clogging in blind holes. It is suitable for ferrous and non-ferrous materials where a 5/8"-18 UNF thread with H11/1B tolerance is required.
What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 313511?
The CHICAGO-LATROBE 313511 is a 5/8"-18 UNF spiral-point tap with H11/1B thread tolerance. It has 3 flutes, a plug chamfer, and is made of high-speed steel. This oversized tap is designed for precision threading in production environments.
Where to buy CHICAGO-LATROBE taps in worldwide?
You can source the CHICAGO-LATROBE 313511 tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this and other CHICAGO-LATROBE tooling.
How to select the correct CHICAGO-LATROBE tap for a job?
Select a tap based on thread size, pitch, material, and hole type. For through-holes, a spiral-point tap like the CHICAGO-LATROBE 313511 pushes chips ahead. Match the tap tolerance (e.g., H11/1B) to your required thread class. Always use proper cutting fluid and speed for high-speed steel tools.
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Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
3G Electric supplies CHICAGO-LATROBE oversized spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















