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CHICAGO-LATROBE Spiral-Point Extension Tap M8x1.25 D11 Plug Chamfer HSS 3 Flute - Spiral-Point Extension Taps
CHICAGO-LATROBESpiral-Point Extension Taps

CHICAGO-LATROBE Spiral-Point Extension Tap M8x1.25 D11 Plug Chamfer HSS 3 Flute

The CHICAGO-LATROBE Extension Tap is a spiral-point extension tap with M8x1.25 metric threading, featuring a D11 plug chamfer, 3 flutes, and high-speed steel construction (MPN 313551).

SKU 3G-OTH-313545

Brand
CHICAGO-LATROBE
Item
Spiral-Point Extension Tap M8x1.25 D11 Plug Chamfer HSS 3 Flute
Part Number
313551
Category
Spiral-Point Extension Taps
Available to Order
Also known as:313551CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
313551
Type
D11, Plug Chamfer, High Speed Steel
Flute
3

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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Extension Tap is a spiral-point extension tap with M8x1.25 metric threading, featuring a D11 plug chamfer, 3 flutes, and high-speed steel construction (MPN 313551).

Frequently Asked Questions

What is the CHICAGO-LATROBE Extension Tap M8x1.25 used for?

This CHICAGO-LATROBE extension tap is used for threading blind or deep holes in metal, particularly where standard taps cannot reach. Its M8x1.25 metric size, 3-flute design, and plug chamfer make it suitable for general-purpose threading in maintenance, repair, and production environments.

What are the specifications of the CHICAGO-LATROBE Extension Tap 313551?

The CHICAGO-LATROBE Extension Tap model 313551 has an M8x1.25 metric thread, D11 overall length, 3 flutes, and a plug chamfer. It is made from high-speed steel (HSS) for durability in ferrous and non-ferrous materials. The spiral-point design pushes chips forward for cleaner threading.

Where to buy CHICAGO-LATROBE Extension Tap 313551 worldwide?

You can source the CHICAGO-LATROBE Extension Tap 313551 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 for a job?

To select the correct CHICAGO-LATROBE extension tap, match the thread size (M8x1.25) and chamfer type (plug) to your hole depth and material. For deep or blind holes, a spiral-point design like this one helps evacuate chips. Always verify the tap's overall length (D11) fits your application.

Used in

Common applications for CHICAGO-LATROBE
Aerospace manufacturing — Chicago-Latrobe NAS-spec jobber-length drill bits (e.g., MPN 42631) for drilling holes in airframe components.
Metal fabrication — Chicago-Latrobe single-flute countersinks (e.g., MPN 56774) for deburring and chamfering holes in steel plates.
Machine shop — Chicago-Latrobe 82° countersinks (e.g., MPN 56738) for creating flush-mount recesses for flat-head screws in assemblies.
Maintenance and repair — Chicago-Latrobe 90° countersinks (e.g., MPN 56760) for chamfering holes and removing burrs on industrial equipment.
Automotive production — Chicago-Latrobe HSS drill bits for holemaking in engine blocks and chassis components.
General machining — Chicago-Latrobe countersinks in various body diameters for chamfering and deburring in job shops.
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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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