CHICAGO-LATROBEOversized Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 3/8"-24 UNF, H11 / 1B, 3 Flute, Plug Chamfer

SKU 3G-OTH-251237

Brand

CHICAGO-LATROBE

Item

Spiral Point Tap: 3/8"-24 UNF, H11 / 1B, 3 Flute, Plug Chamfer

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

313505

Type

H11 / 1B, Plug Chamfer, High Speed Steel 

Flute

3

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Technical Documents

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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 assembly — Chicago-Latrobe NAS 907 Type B aircraft-extension drill bits for drilling fastener holes in aluminum and titanium skins.

Metal fabrication — Chicago-Latrobe reduced-shank drill bit sets for enlarging holes in structural steel using magnetic drill presses.

Maintenance repair — Chicago-Latrobe left-hand cobalt jobber-length drill bits for removing broken bolts in machinery.

Tool and die making — Chicago-Latrobe jobber-length drill bit sets with 135° split point for precision hole drilling in hardened steels.

Automotive repair — Chicago-Latrobe spiral-flute screw extractors for removing seized fasteners in engine blocks or exhaust systems.

General manufacturing — Chicago-Latrobe HSS jobber-length drill bits for production drilling in mild steel and cast iron.

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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