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CHICAGO-LATROBE Spiral Point Tap: #12-24 UNC, H3 / 2B, 2 Flute, Bottoming Chamfer - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: #12-24 UNC, H3 / 2B, 2 Flute, Bottoming Chamfer

The CHICAGO-LATROBE Spiral Point Tap (#12-24 UNC, MPN 173027) is a general purpose spiral-point tap with H3 / 2B tolerance, 2-flute design, bottoming chamfer, and high-speed steel construction. 3G Electric interprets…

SKU 3G-OTH-216027

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: #12-24 UNC, H3 / 2B, 2 Flute, Bottoming Chamfer
Category
General Purpose Spiral-Point 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
173027
Type
H3 / 2B, Bottoming Chamfer, High Speed Steel
Flute
2

Technical Documents

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

Product Description

The CHICAGO-LATROBE Spiral Point Tap (#12-24 UNC, MPN 173027) is a general purpose spiral-point tap with H3 / 2B tolerance, 2-flute design, bottoming chamfer, and high-speed steel construction. 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments — with specialist depth in combustion, pumps and controls as a trust anchor, not a limit.

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap #12-24 UNC used for?

This tap is used for cutting internal threads in through-holes or blind holes where chips must be pushed ahead. It is ideal for general-purpose threading in metalworking, automotive, and industrial maintenance applications, providing clean threads in high-speed steel.

What are the specifications of the CHICAGO-LATROBE Spiral Point Tap MPN 173027?

The tap has a #12-24 UNC thread size, H3 / 2B tolerance, 2-flute design, and a bottoming chamfer. It is made of high-speed steel (HSS) for durability. The manufacturer part number is 173027, and it is classified as a general-purpose spiral-point tap.

Where to buy CHICAGO-LATROBE taps in worldwide?

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

How to select the right spiral point tap for threading?

Select a tap based on thread size, material, and hole type. For through-holes, a spiral point tap pushes chips forward. Match the chamfer type (e.g., bottoming for blind holes) and ensure the HSS grade suits the workpiece. CHICAGO-LATROBE taps like the #12-24 UNC are designed for general-purpose use.

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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Spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Features a bottoming chamfer and 2-flute design that pushes chips forward. Thread size #12-24 UNC with H3 / 2B tolerance class
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Spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Features a bottoming chamfer and 2-flute design that pushes chips forward. Thread size #12-24 UNC with H3 / 2B tolerance class
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This spiral-point tap is designed for cutting internal threads in through-hole applications. The spiral-point geometry pushes chips forward, enabling efficient chip evacuation during high-speed production tapping. Constructed from high-speed steel, it features a bottoming chamfer and H2 / 2B tolerance for general-purpose threading in materials such as steel and aluminum
CHICAGO-LATROBE Spiral Point Tap: 3/8"-24 UNF, H3 / 2B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 173031)
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CHICAGO-LATROBE Spiral Point Tap: 1/2"-13 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 173034)
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CHICAGO-LATROBE Spiral Point Tap: 1/2"-13 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 173034)
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 173030)
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