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CHICAGO-LATROBE Spiral Point Tap: #2-56 UNC, H1 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 173000) - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: #2-56 UNC, H1 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 173000)

The CHICAGO-LATROBE Spiral Point Tap is a general purpose spiral-point tap for #2-56 UNC threads. It features an H1 / 2B tolerance, plug chamfer, 2-flute design, and is made of high-speed steel (MPN 173000).

SKU 3G-OTH-214896

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: #2-56 UNC, H1 / 2B, 2 Flute, Plug Chamfer, High Speed Steel
Part Number
173000
Category
General Purpose Spiral-Point Taps
Available to Order
Also known as:173000CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
173000
Type
H1 / 2B, Plug Chamfer, High Speed Steel
Flute
2

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

Product Description

The CHICAGO-LATROBE Spiral Point Tap is a general purpose spiral-point tap for #2-56 UNC threads. It features an H1 / 2B tolerance, plug chamfer, 2-flute design, and is made of high-speed steel (MPN 173000).

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap #2-56 UNC used for?

This CHICAGO-LATROBE tap is used for cutting internal threads in through-hole applications. Its spiral-point design pushes chips ahead, making it ideal for high-speed production tapping in steel, aluminum, and other materials. It is commonly used in automotive, aerospace, and general manufacturing.

What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 173000?

The CHICAGO-LATROBE 173000 is a #2-56 UNC spiral point tap with an H1 / 2B tolerance, 2 flutes, and a plug chamfer. It is made of high-speed steel for durability. This general-purpose tap is designed for through-hole threading and is suitable for a wide range of materials.

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 CHICAGO-LATROBE tooling.

How to select the right CHICAGO-LATROBE tap for my application?

Select a tap based on thread size, material, and hole type. For through holes, a spiral point tap like this CHICAGO-LATROBE #2-56 UNC is ideal as it pushes chips forward. For blind holes, consider a spiral flute tap. Always match the tap tolerance (H1/2B) to your required thread class.

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.
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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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This spiral-point tap is designed for threading blind holes in production machining. The spiral point pushes chips forward, reducing clogging and enabling efficient tapping in ferrous and non-ferrous materials. Made from high speed steel with a plug chamfer and 2 flutes, it provides a H2 / 2B class fit for #4-40 UNC threads
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CHICAGO-LATROBE
This spiral-point tap is designed for general-purpose threading of blind or through holes in metals such as steel, aluminum, and cast iron. The spiral-point geometry pushes chips forward, reducing clogging in production environments. Made from high-speed steel with a D4 / 6H tolerance class, 2 flutes, and a plug chamfer. Manufacturer part number 360854

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