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CHICAGO-LATROBE 3/4"-10 UNC Left-Hand Thread Tap, H3 / 2B, 4 Flute, Plug Chamfer - Left-Hand Thread Taps
CHICAGO-LATROBELeft-Hand Thread Taps

CHICAGO-LATROBE 3/4"-10 UNC Left-Hand Thread Tap, H3 / 2B, 4 Flute, Plug Chamfer

The CHICAGO-LATROBE Straight Flute Tap (SKU 3G-OTH-265149) is a left-hand thread tap with a 3/4"-10 UNC size, featuring an H3 / 2B tolerance, 4 flutes, and a plug chamfer. This OEM-sourced tool is part of our curated…

SKU 3G-OTH-265149

Brand
CHICAGO-LATROBE
Item
3/4"-10 UNC Left-Hand Thread Tap, H3 / 2B, 4 Flute, Plug Chamfer
Part Number
317995
Category
Left-Hand Thread Taps
Available to Order
Also known as:317995CHICAGO-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
317995
Type
H3 / 2B, Plug Chamfer, LH
Flute
4

Technical Documents

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

Product Description

The CHICAGO-LATROBE Straight Flute Tap (SKU 3G-OTH-265149) is a left-hand thread tap with a 3/4"-10 UNC size, featuring an H3 / 2B tolerance, 4 flutes, and a plug chamfer. This OEM-sourced tool is part of our curated industrial supply across 14 departments, backed by specialist expertise in combustion, pumps, and controls for accurate sourcing and support.

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 through or blind holes. It is ideal for maintenance, repair, and production work in metalworking, automotive, and general manufacturing where left-hand threads are required.

What are the specifications of the CHICAGO-LATROBE 317995 tap?

This tap has a 3/4"-10 UNC thread, H3 / 2B tolerance, 4 flutes, plug chamfer, and left-hand (LH) rotation. It is designed for cutting internal threads in steel, aluminum, and other machinable materials.

Where to buy CHICAGO-LATROBE taps in worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 317995 left-hand tap.

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

Match the tap to the thread size and pitch required, here 3/4"-10 UNC. Use a left-hand (LH) tap for reverse rotation applications. Ensure the chamfer type (plug) suits your hole depth. CHICAGO-LATROBE taps are a reliable choice for precision threading.

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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