CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 280355)

SKU 3G-OTH-214133

Brand

CHICAGO-LATROBE

Item

Spiral Point Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

280355

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Technical Documents

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CHICAGO-LATROBE Products

3G Electric (S) Pte. Ltd. — Singapore

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 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 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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