CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 2 Flute, Plug Chamfer

The CHICAGO-LATROBE Spiral Point Tap (MPN 357041) is a general purpose spiral-point tap with a 1/4"-20 UNC thread size. It features an H3 / 2B tolerance, plug chamfer, 2-flute design, and is made of high-speed steel.

SKU 3G-OTH-215845

Brand

CHICAGO-LATROBE

Item

Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 2 Flute, Plug Chamfer

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

357041

Type

H3 / 2B, Plug Chamfer, High Speed Steel 

Flute

2

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Technical Documents

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CHICAGO-LATROBE Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the CHICAGO-LATROBE 357041 spiral point tap used for?

The CHICAGO-LATROBE 357041 spiral point tap is used for threading through-holes in metal, primarily in general manufacturing and maintenance. Its spiral point design pushes chips forward, preventing clogging in blind holes. It is suitable for tapping steel, aluminum, and other common materials in industrial applications.

What are the specifications of the CHICAGO-LATROBE 357041 tap?

The CHICAGO-LATROBE 357041 is a 1/4\"-20 UNC spiral point tap with H3 / 2B tolerance, 2 flutes, and a plug chamfer. It is made from high-speed steel (HSS) for durability. The manufacturer part number is 357041, and it is designed for general-purpose threading in through-holes.

Where to buy CHICAGO-LATROBE taps worldwide?

You can source CHICAGO-LATROBE taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the 357041 spiral point tap or other CHICAGO-LATROBE tooling.

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

To select the correct CHICAGO-LATROBE tap, match the thread size (e.g., 1/4\"-20 UNC), chamfer type (plug for through-holes), and material (HSS for general use). Consider the hole type—spiral point taps push chips forward, ideal for through-holes. Always verify tolerance class (H3/2B) for fit requirements.

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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