CHICAGO-LATROBESpiral-Point Extension Taps

CHICAGO-LATROBE Extension Tap: 3/8"-16 UNC, H11, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313546)

SKU 3G-OTH-313612

Brand

CHICAGO-LATROBE

Item

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

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

313546

Type

H11, 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

The CHICAGO-LATROBE Extension Tap (SKU 449R86, MPN 313546) is a 3/8"-16 UNC spiral-point extension tap, type H11 with a plug chamfer, made of high-speed steel and featuring 3 flutes. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor.

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 313546 used for?

The CHICAGO-LATROBE Extension Tap 313546 is used for threading blind or through holes in metal, especially where extended reach is needed. Its 3-flute, plug chamfer design and H11 tolerance make it suitable for precision tapping in maintenance, repair, and production environments.

What are the specifications of the CHICAGO-LATROBE Extension Tap 313546?

The CHICAGO-LATROBE Extension Tap 313546 has a 3/8"-16 UNC thread, H11 tolerance, 3 flutes, plug chamfer, and is made of high-speed steel. The manufacturer part number is 313546. It is designed for extended-reach tapping applications in ferrous and non-ferrous materials.

Where to buy CHICAGO-LATROBE Extension Tap 313546 worldwide?

You can source the CHICAGO-LATROBE Extension Tap 313546 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.

How to select the correct CHICAGO-LATROBE Extension Tap?

To select the correct CHICAGO-LATROBE Extension Tap, match the thread size (e.g., 3/8"-16 UNC), tolerance class (H11), and chamfer type (plug) to your material and hole depth. Ensure the tap's flute count and high-speed steel composition suit the workpiece hardness. Consult a tap selection guide for best results.

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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