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CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H13 / 2B, 2 Flute - Oversized Spiral-Point Taps
CHICAGO-LATROBEOversized Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H13 / 2B, 2 Flute

SKU 3G-OTH-251318

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: 1/4"-20 UNC, H13 / 2B, 2 Flute
Category
Oversized Spiral-Point Taps
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
358490
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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap 358490 used for?

This tap is used for cutting internal threads in through-hole applications. Its spiral-point design pushes chips ahead, preventing clogging. It is suitable for general machining of ferrous and non-ferrous materials where a 1/4"-20 UNC thread with a 2B class fit is required.

What are the specifications of the CHICAGO-LATROBE 358490 tap?

The CHICAGO-LATROBE 358490 is a spiral point tap with a 1/4"-20 UNC thread size, H13 / 2B tolerance, 2 flutes, and a plug chamfer. It is an oversized spiral-point tap designed for through-hole threading. The manufacturer part number is 358490.

Where to buy CHICAGO-LATROBE taps worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the 358490 spiral point tap or other CHICAGO-LATROBE tooling for your operations.

How to select the correct CHICAGO-LATROBE tap for a job?

Select a tap based on thread size, material, and hole type. For through holes, a spiral point tap like the CHICAGO-LATROBE 358490 pushes chips forward. Match the thread class (e.g., 2B) and consider oversized taps for coated or abrasive materials. Consult a tooling specialist for specific applications.

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 oversized 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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