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

The CHICAGO-LATROBE Spiral Point Tap (SKU 3G-OTH-215745) is a general purpose spiral-point tap with a 1/4"-28 UNF thread size. It features an H3 / 2B tolerance, plug chamfer, 2-flute design, and is made from high…

SKU 3G-OTH-215745

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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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
357165
Type
H3 / 2B, Plug 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 (SKU 3G-OTH-215745) is a general purpose spiral-point tap with a 1/4"-28 UNF thread size. It features an H3 / 2B tolerance, plug chamfer, 2-flute design, and is made from high speed steel (MPN 357165).

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap 357165 used for?

This tap is used for threading blind holes in production machining. Its spiral-point design pushes chips forward, preventing clogging. It is suitable for general-purpose threading in steel, aluminum, and other materials where a 1/4"-28 UNF thread is required.

What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 357165?

The tap has a 1/4"-28 UNF thread size with H3 / 2B tolerance, 2 flutes, and a plug chamfer. It is made of high-speed steel (HSS) and is designed for general-purpose threading. The manufacturer part number is 357165.

Where to buy CHICAGO-LATROBE taps worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the 357165 spiral point tap for your threading needs.

How to select the correct CHICAGO-LATROBE tap for a job?

Select a tap based on thread size, tolerance class, and material. For blind holes, use a spiral-point tap like the 357165. Match the H limit (e.g., H3) to the required thread class (e.g., 2B). Ensure the tap material suits the workpiece—HSS for general 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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Cross-referenced by specification & description
This spiral-point tap is designed for through-hole threading in metal. Its spiral-point geometry pushes chips forward, reducing chip clogging. Made from high-speed steel with a plug chamfer and H2 / 2B tolerance, it is suited for general-purpose tapping in materials such as steel and aluminum
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This spiral-point tap is designed for through-hole threading in metal. Its spiral-point geometry pushes chips forward, reducing chip clogging. Made from high-speed steel with a plug chamfer and H2 / 2B tolerance, it is suited for general-purpose tapping in materials such as steel and aluminum
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This general purpose spiral-point tap is made from high-speed steel and features a 1/4"-20 UNC thread size with H3 / 2B tolerance. The plug chamfer and 2-flute design are suited for through-hole threading in common metals. The spiral point pushes chips forward, reducing clogging in applications such as general manufacturing and maintenance
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CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357082)
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CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357082)
CHICAGO-LATROBE Spiral Point Tap: 3/8"-24 UNF, H1 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357561)
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CHICAGO-LATROBE Spiral Point Tap: 3/8"-24 UNF, H1 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357561)
CHICAGO-LATROBE Spiral Point Tap: 3/8"-24 UNF, H4 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357629)
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CHICAGO-LATROBE Spiral Point Tap: 3/8"-24 UNF, H4 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357629)

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