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CHICAGO-LATROBE 1/4"-20 UNC Spiral Point Tap, H5, 3 Flute, Plug Chamfer, 280355 - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE 1/4"-20 UNC Spiral Point Tap, H5, 3 Flute, Plug Chamfer, 280355

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

SKU 3G-OTH-214133

Brand
CHICAGO-LATROBE
Item
1/4"-20 UNC Spiral Point Tap, H5, 3 Flute, Plug Chamfer, 280355
Part Number
280355
Category
General Purpose Spiral-Point Taps
Available to Order
Also known as:280355CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
280355

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

Product Description

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap 280355 used for?

This spiral point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its 1/4"-20 UNC size and plug chamfer make it suitable for general-purpose tapping in manufacturing and maintenance applications where chip evacuation is critical.

What are the specifications of the CHICAGO-LATROBE 280355 tap?

The CHICAGO-LATROBE 280355 is a spiral point tap with 1/4"-20 UNC thread, H5 tolerance for 2B-3B class fit, 3 flutes, and a plug chamfer. It is a general-purpose tap for through-hole threading, manufactured by CHICAGO-LATROBE.

Where to buy CHICAGO-LATROBE 280355 taps worldwide?

3G Electric supplies the CHICAGO-LATROBE 280355 spiral point tap worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct CHICAGO-LATROBE tap for through-hole threading?

For through-hole threading, choose a spiral point tap like the CHICAGO-LATROBE 280355. Ensure the thread size (1/4"-20 UNC), chamfer type (plug), and flute count (3) match your material and hole depth. Always verify tolerance class (H5) for desired 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 general purpose 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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