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CHICAGO-LATROBE Extension Tap: 3/8"-18 NPT, 4 Flute, Semi-Bottoming Chamfer, High Speed Steel (MPN 384526) - Extension Pipe Taps
CHICAGO-LATROBEExtension Pipe Taps

CHICAGO-LATROBE Extension Tap: 3/8"-18 NPT, 4 Flute, Semi-Bottoming Chamfer, High Speed Steel (MPN 384526)

The CHICAGO-LATROBE Extension Tap (SKU 3G-OTH-313254) is a 3/8"-18 NPT semi-bottoming chamfer pipe tap made of high-speed steel with 4 flutes (MPN 384526). 3G Electric sources this genuine industrial threading tool…

SKU 3G-OTH-313254

Brand
CHICAGO-LATROBE
Item
Extension Tap: 3/8"-18 NPT, 4 Flute, Semi-Bottoming Chamfer, High Speed Steel
Category
Extension Pipe Taps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
384526
Type
Semi-Bottoming Chamfer, High Speed Steel
Flute
4

Technical Documents

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

Product Description

The CHICAGO-LATROBE Extension Tap (SKU 3G-OTH-313254) is a 3/8"-18 NPT semi-bottoming chamfer pipe tap made of high-speed steel with 4 flutes (MPN 384526). 3G Electric sources this genuine industrial threading tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor for brands like FBR, Interpump, Riello, Beckett, Schneider, ABB, Siemens, SKF, Festo and Fluke.

Frequently Asked Questions

What is the CHICAGO-LATROBE Extension Tap 384526 used for?

The CHICAGO-LATROBE Extension Tap 384526 is used for threading internal NPT pipe threads in hard-to-reach areas. Its extended length and semi-bottoming chamfer allow threading close to the bottom of a blind hole, making it ideal for plumbing, hydraulic, and pneumatic system maintenance in industrial settings.

What are the specifications of the CHICAGO-LATROBE Extension Tap 384526?

The CHICAGO-LATROBE Extension Tap 384526 is a 3/8"-18 NPT pipe tap with 4 flutes, a semi-bottoming chamfer, and is made from high-speed steel. The manufacturer part number is 384526. It is designed for threading NPT pipe threads in confined spaces where standard taps cannot reach.

Where to buy the CHICAGO-LATROBE Extension Tap 384526 worldwide?

You can source the CHICAGO-LATROBE Extension Tap 384526 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 provide this tap as part of our extensive sourcing network.

How to select the correct CHICAGO-LATROBE Extension Tap for NPT threads?

To select the correct CHICAGO-LATROBE Extension Tap, match the tap size to the NPT thread specification—for example, 3/8"-18 NPT. Choose a semi-bottoming chamfer for threading close to the bottom of blind holes, and ensure the tap material (high-speed steel) suits the workpiece. Always verify the manufacturer part number, such as 384526, for exact 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 extension pipe taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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