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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 (MPN 313505) is an oversized spiral-point tap with a 3/8"-24 UNF thread, featuring an H11 / 1B tolerance, plug chamfer, and 3 flutes in high-speed steel. 3G Electric interprets…

SKU 3G-OTH-251237

Brand
CHICAGO-LATROBE
Item
Oversized Spiral-Point Tap
Part Number
313505
Category
Oversized Spiral-Point Taps
Available to Order
Also known as:313505CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
313505
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 (MPN 313505) is an oversized spiral-point tap with a 3/8"-24 UNF thread, featuring an H11 / 1B tolerance, plug chamfer, and 3 flutes in high-speed steel. 3G Electric interprets this demand and sources it across 14 industrial departments, with specialist depth in cutting tools and controls to ensure you get the right solution.

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap used for?

The CHICAGO-LATROBE Spiral Point Tap is used for threading blind holes in metalworking applications. Its spiral-point design pushes chips forward, preventing clogging, making it ideal for production tapping in automotive, aerospace, and general manufacturing where precise 3/8"-24 UNF threads are required.

What are the specifications of the CHICAGO-LATROBE Spiral Point Tap?

This tap has a 3/8"-24 UNF thread size, H11 / 1B tolerance, 3-flute design, and plug chamfer. It is made of high-speed steel (HSS) for durability. The manufacturer part number is 313505, and it is classified as an oversized spiral-point tap for threading blind holes.

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 on this and other cutting tools.

How to select the right CHICAGO-LATROBE tap for my application?

Select a tap based on thread size, material, and hole type. For blind holes, use a spiral-point tap like this CHICAGO-LATROBE model. Match the thread class (e.g., H11 / 1B) to your tolerance needs. High-speed steel suits general-purpose tapping in steel and aluminum. Consult a technical datasheet for specific feed and speed recommendations.

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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