CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Plug Chamfer

The CHICAGO-LATROBE Spiral Point Tap (MPN 357520) is a general purpose spiral-point tap with a 3/8"-16 UNC thread size. It features an H3 / 2B tolerance, plug chamfer, 3 flutes, and is made of high speed steel.

SKU 3G-OTH-214190

Brand

CHICAGO-LATROBE

Item

Spiral Point Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Plug Chamfer

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

357520

Type

H3 / 2B, Plug Chamfer, High Speed Steel 

Flute

3

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Technical Documents

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CHICAGO-LATROBE Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a CHICAGO-LATROBE spiral point tap used for?

A CHICAGO-LATROBE spiral point tap is used for threading through-holes in metal, steel, and alloys. Its spiral-point design pushes chips forward, preventing clogging and enabling faster, cleaner threading in production environments.

What are the specifications of the CHICAGO-LATROBE 357520 tap?

The CHICAGO-LATROBE 357520 is a 3/8"-16 UNC spiral point tap with H3 / 2B tolerance, 3 flutes, and a plug chamfer. It is made from high-speed steel and is designed for general-purpose threading of through-holes.

Where to buy CHICAGO-LATROBE taps in worldwide?

You can source CHICAGO-LATROBE taps worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations. Contact us for availability and lead times on this and other industrial tooling.

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

Select a CHICAGO-LATROBE tap by matching thread size (e.g., 3/8"-16 UNC), chamfer type (plug for through-holes), and material compatibility. For steel, use high-speed steel taps. Always verify hole depth and tolerance class (H3/2B) for 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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