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CHICAGO-LATROBE Left-Hand Thread Tap - Left-Hand Thread Taps
CHICAGO-LATROBELeft-Hand Thread Taps

CHICAGO-LATROBE Left-Hand Thread Tap

The CHICAGO-LATROBE Straight Flute Tap (SKU 317755, MPN 317755) is a left-hand thread tap for 1/2"-13 UNC threads, featuring an H3 / 2B tolerance, plug chamfer, and 4 flutes. 3G Electric interprets this demand and…

SKU 3G-OTH-265150

Brand
CHICAGO-LATROBE
Item
Left-Hand Thread Tap
Part Number
317755
Category
Left-Hand Thread Taps
Available to Order
Also known as:317755CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
317755
Type
H3 / 2B, Plug Chamfer, LH
Flute
4

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

Product Description

The CHICAGO-LATROBE Straight Flute Tap (SKU 317755, MPN 317755) is a left-hand thread tap for 1/2"-13 UNC threads, featuring an H3 / 2B tolerance, plug chamfer, and 4 flutes. 3G Electric interprets this demand and sources the genuine OEM tool, backed by specialist expertise across 14 industrial departments — including cutting tools — to ensure you get the right tap for your threading application.

Frequently Asked Questions

What is a CHICAGO-LATROBE Straight Flute Tap used for?

This left-hand thread tap is used to cut internal UNC threads in metal parts, typically for maintenance or production where reverse-thread fasteners are required. It is common in automotive, aerospace, and industrial machinery applications.

What are the specifications of the CHICAGO-LATROBE 317755 tap?

The CHICAGO-LATROBE 317755 is a 1/2"-13 UNC straight flute tap with H3 / 2B tolerance, 4 flutes, plug chamfer, and left-hand thread. It is designed for through-hole or blind-hole threading in ferrous and non-ferrous materials.

Where to buy CHICAGO-LATROBE taps in worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine cutting tools to your facility, regardless of location.

How to select the correct tap for left-hand threads?

For left-hand threads, ensure the tap is marked LH and matches the thread size and pitch (e.g., 1/2"-13 UNC). Choose plug chamfer for general-purpose threading. Verify material compatibility and tolerance class (H3 / 2B) for proper fit.

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 left-hand thread taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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