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CHICAGO-LATROBE Oversized Spiral-Point Tap - Oversized Spiral-Point Taps
CHICAGO-LATROBEOversized Spiral-Point Taps

CHICAGO-LATROBE Oversized Spiral-Point Tap

The CHICAGO-LATROBE Spiral Point Tap (SKU 313500, MPN 313500) is an oversized spiral-point tap with a 1/4"-20 UNC thread size. It features an H11 / 1B tolerance, plug chamfer, 3 flutes, and is made of high-speed…

SKU 3G-OTH-251215

Brand
CHICAGO-LATROBE
Item
Oversized Spiral-Point Tap
Part Number
313500
Category
Oversized Spiral-Point Taps
Available to Order
Also known as:313500CHICAGO-LATROBE
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
313500
Type
H11 / 1B, Plug Chamfer, High Speed Steel
Flute
3

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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Spiral Point Tap (SKU 313500, MPN 313500) is an oversized spiral-point tap with a 1/4"-20 UNC thread size. It features an H11 / 1B tolerance, plug chamfer, 3 flutes, and is made of high-speed steel. 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments, with specialist depth in cutting tools and machining.

Frequently Asked Questions

What is a CHICAGO-LATROBE spiral point tap used for?

A CHICAGO-LATROBE spiral point tap is used for through-hole threading in metalworking. Its spiral point pushes chips ahead, preventing clogging. This H11 / 1B oversized tap creates precise internal threads in materials like steel and aluminum, common in automotive and general manufacturing.

What are the specifications of the CHICAGO-LATROBE 313500 tap?

The CHICAGO-LATROBE 313500 is a 1/4"-20 UNC spiral point tap with H11 / 1B oversize tolerance. It has 3 flutes, a plug chamfer, and is made of high-speed steel. This design suits through-hole threading where chip evacuation is critical.

Where to buy CHICAGO-LATROBE taps in worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this 1/4"-20 UNC spiral point tap to your facility. Contact us for pricing and lead time on this H11 / 1B oversize tap.

How to select the right CHICAGO-LATROBE tap for a job?

Select a CHICAGO-LATROBE tap based on thread size, material, and hole type. For through holes, a spiral point tap like the 1/4"-20 UNC 313500 pushes chips forward. Use H11 / 1B oversize taps for tighter tolerance threads. Match flute count and chamfer to your application.

Used in

Common applications for CHICAGO-LATROBE
Aerospace manufacturing — Chicago-Latrobe NAS-spec jobber-length drill bits (e.g., MPN 42631) for drilling holes in airframe components.
Metal fabrication — Chicago-Latrobe single-flute countersinks (e.g., MPN 56774) for deburring and chamfering holes in steel plates.
Machine shop — Chicago-Latrobe 82° countersinks (e.g., MPN 56738) for creating flush-mount recesses for flat-head screws in assemblies.
Maintenance and repair — Chicago-Latrobe 90° countersinks (e.g., MPN 56760) for chamfering holes and removing burrs on industrial equipment.
Automotive production — Chicago-Latrobe HSS drill bits for holemaking in engine blocks and chassis components.
General machining — Chicago-Latrobe countersinks in various body diameters for chamfering and deburring in job shops.
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CHICAGO-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.

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Oversized spiral-point tap for through-hole threading. Features a 3/4"-16 UNF thread, H11/1B tolerance, 4 flutes, and plug chamfer. The spiral point design pushes chips forward, reducing clogging in production threading applications
CHICAGO-LATROBE
Oversized spiral-point tap for through-hole threading. Features a 3/4"-16 UNF thread, H11/1B tolerance, 4 flutes, and plug chamfer. The spiral point design pushes chips forward, reducing clogging in production threading applications

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