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CHICAGO-LATROBE Straight Flute Tap - General Purpose Hand Taps
CHICAGO-LATROBEGeneral Purpose Hand Taps

CHICAGO-LATROBE Straight Flute Tap

3G Electric supplies the CHICAGO-LATROBE Straight Flute Tap, a general-purpose hand tap with a 1/4"-28 UNF thread size. This H2 / 2B, bottoming chamfer tap features 4 flutes (MPN 305209). We interpret your demand…

SKU 3G-OTH-221766

Brand
CHICAGO-LATROBE
Item
Straight Flute Tap
Part Number
305209
Category
General Purpose Hand Taps
Available to Order
Also known as:305209CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
305209
Type
H2 / 2B, Bottoming Chamfer
Flute
4

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

Product Description

3G Electric supplies the CHICAGO-LATROBE Straight Flute Tap, a general-purpose hand tap with a 1/4"-28 UNF thread size. This H2 / 2B, bottoming chamfer tap features 4 flutes (MPN 305209). We interpret your demand, source the right industrial equipment, and support your operations across 14 departments — with specialist depth in combustion, pumps, and controls.

Frequently Asked Questions

What is a Chicago-Latrobe 1/4"-28 UNF straight flute tap used for?

This Chicago-Latrobe straight flute tap is used for threading holes in metal parts, typically in automotive, aerospace, and general manufacturing. The 1/4"-28 UNF size creates fine threads for secure fastening, and the bottoming chamfer allows threading close to the bottom of a blind hole.

What are the specifications of the Chicago-Latrobe 305209 tap?

The Chicago-Latrobe 305209 is a straight flute tap with a 1/4"-28 UNF thread, H2 / 2B tolerance, 4 flutes, and a bottoming chamfer. It is a general purpose hand tap designed for through 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, including the 305209 model. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote on this or any other industrial tooling needs across our 14 departments.

How to select the correct tap for a 1/4"-28 UNF thread?

Select a tap with the exact thread size and pitch, such as 1/4"-28 UNF. For blind holes, choose a bottoming chamfer tap like this Chicago-Latrobe model. Ensure the tap drill size matches the required thread depth and material hardness for clean, accurate threads.

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

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