CHICAGO-LATROBESpiral-Point Extension Taps

CHICAGO-LATROBE Extension Tap: 3/8"-16 UNC, H11, 3 Flute, Plug Chamfer

SKU 3G-OTH-313539

Brand

CHICAGO-LATROBE

Item

Extension Tap: 3/8"-16 UNC, H11, 3 Flute, Plug Chamfer

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

313601

Type

H11, Plug Chamfer, Black Oxide 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

The CHICAGO-LATROBE Extension Tap (SKU 449R98, MPN 313601) is a 3/8"-16 UNC spiral-point extension tap, type H11 with a plug chamfer, featuring 3 flutes and black oxide high-speed steel construction. 3G Electric interprets your demand for this specific OEM tool and delivers it across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

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 the CHICAGO-LATROBE Extension Tap 313601 used for?

The CHICAGO-LATROBE Extension Tap 313601 is used for threading blind or deep holes in metal where standard taps cannot reach. Its extended length allows access to recessed areas, making it ideal for maintenance, repair, and production applications in automotive, aerospace, and general manufacturing.

What are the specifications of the CHICAGO-LATROBE Extension Tap 313601?

The CHICAGO-LATROBE Extension Tap 313601 has a 3/8\"-16 UNC thread, H11 tolerance, 3 flutes, and a plug chamfer. It is made from black oxide high-speed steel for wear resistance and reduced friction. The manufacturer part number is 313601, and the SKU is 449R98.

Where to buy CHICAGO-LATROBE Extension Tap 313601 worldwide?

You can source the CHICAGO-LATROBE Extension Tap 313601 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this tap to customers across industries.

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

To select the correct CHICAGO-LATROBE Extension Tap, match the thread size (e.g., 3/8\"-16 UNC), chamfer type (plug for blind holes), and flute count (3 for spiral-point taps) to your material and hole depth. Ensure the tap length reaches the threading area. Consult a tap selection guide for material-specific speeds and feeds.

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 spiral-point extension taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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