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CHICAGO-LATROBE Spiral Point Tap: 1/4"-28 UNF, H3 / 2B, 2 Flute, Plug Chamfer (MPN 357161) - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 1/4"-28 UNF, H3 / 2B, 2 Flute, Plug Chamfer (MPN 357161)

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

SKU 3G-OTH-215656

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: 1/4"-28 UNF, H3 / 2B, 2 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
357161

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

Product Description

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

Frequently Asked Questions

What is a CHICAGO-LATROBE spiral point tap used for?

A CHICAGO-LATROBE spiral point tap is used for through-hole threading in production environments. Its spiral point design pushes chips ahead, preventing clogging and enabling faster tapping in materials like steel, aluminum, and cast iron.

What are the specifications of the CHICAGO-LATROBE 357161 tap?

The CHICAGO-LATROBE 357161 is a 1/4"-28 UNF spiral point tap with H3 / 2B tolerance, 2 flutes, and a plug chamfer. It is designed for general-purpose through-hole threading in industrial applications.

Where to buy CHICAGO-LATROBE taps in worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 357161 or other industrial cutting tools.

How to select the right tap for through-hole threading?

For through-hole threading, choose a spiral point tap like the CHICAGO-LATROBE 357161. Match thread size (1/4"-28 UNF), chamfer type (plug for general use), and flute count (2) to your material and machine. Always use proper cutting fluid.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Spiral Point Tap: 3/8"-24 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN 357609)
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CHICAGO-LATROBE Spiral Point Tap: 3/8"-24 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN 357609)
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 2 Flute, Plug Chamfer (MPN 357047)
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CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 2 Flute, Plug Chamfer (MPN 357047)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer (MPN 357401)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer (MPN 357401)
CHICAGO-LATROBE Spiral Point Tap: 1/4"-28 UNF, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 357165)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-28 UNF, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 357165)
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point geometry pushes chips forward, reducing clogging and breakage. Suitable for general manufacturing applications requiring 1/4"-20 UNC threads with H5 tolerance for 2B-3B class fit
CHICAGO-LATROBE
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point geometry pushes chips forward, reducing clogging and breakage. Suitable for general manufacturing applications requiring 1/4"-20 UNC threads with H5 tolerance for 2B-3B class fit
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 357021)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 357021)

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CHICAGO-LATROBE Spiral Point Tap: #1-64 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 356061)
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CHICAGO-LATROBE Spiral Point Tap: #1-64 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 356061)
General purpose spiral-point tap for through-hole threading. Constructed from high-speed steel with a plug chamfer and 3 flutes. Features H5 / 2B-3B tolerance for consistent thread class. Suitable for production tapping in steel, aluminum, and other metals
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General purpose spiral-point tap for through-hole threading. Constructed from high-speed steel with a plug chamfer and 3 flutes. Features H5 / 2B-3B tolerance for consistent thread class. Suitable for production tapping in steel, aluminum, and other metals
CHICAGO-LATROBE Spiral Point Tap: 1/2"-13 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer, High Speed Steel (MPN 173034)
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This general purpose spiral-point tap is designed for through-hole threading in production environments. It features a 7/16"-14 UNC thread size, H2 / 2B tolerance, plug chamfer, and 3 flutes. Constructed from high-speed steel, the spiral-point design pushes chips forward, reducing clogging and enabling efficient threading in materials such as steel and aluminum
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This general purpose spiral-point tap is designed for through-hole threading in production environments. It features a 7/16"-14 UNC thread size, H2 / 2B tolerance, plug chamfer, and 3 flutes. Constructed from high-speed steel, the spiral-point design pushes chips forward, reducing clogging and enabling efficient threading in materials such as steel and aluminum
CHICAGO-LATROBE Spiral Point Tap: #0-80 UNF, H2 / 2B, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN 356035)
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CHICAGO-LATROBE Spiral Point Tap: #0-80 UNF, H2 / 2B, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN 356035)
General purpose spiral-point tap for through-hole threading. Pushes chips ahead to prevent clogging. Suitable for production tapping in steel and aluminum. Specifications: 1/2"-20 UNF thread, H3 / 2B tolerance, plug chamfer, high-speed steel, 3 flutes
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General purpose spiral-point tap for through-hole threading. Pushes chips ahead to prevent clogging. Suitable for production tapping in steel and aluminum. Specifications: 1/2"-20 UNF thread, H3 / 2B tolerance, plug chamfer, high-speed steel, 3 flutes
CHICAGO-LATROBE Spiral Point Tap: M8x1.25 Metric, D5 / 6H, 2 Flute, Plug Chamfer (MPN 360926)
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CHICAGO-LATROBE Spiral Point Tap: 3/4"-10 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN 330129)
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