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CHICAGO-LATROBE Spiral Point Tap: 1/2"-13 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 357831) - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 1/2"-13 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 357831)

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

SKU 3G-OTH-216154

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: 1/2"-13 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
Available to Order
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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
357831

Technical Documents

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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 threading through-holes in metal, steel, and alloys. Its spiral-point design pushes chips forward, preventing clogging and enabling faster, cleaner threading in production environments.

What are the specifications of the CHICAGO-LATROBE 357831 tap?

The CHICAGO-LATROBE 357831 is a 1/2"-13 UNC spiral point tap with H5 tolerance, suitable for 2B-3B thread classes. It has 3 flutes and a plug chamfer, designed for general-purpose threading in through-holes.

Where to buy CHICAGO-LATROBE taps worldwide?

You can source CHICAGO-LATROBE taps through 3G Electric, a global industrial distributor. We handle logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your threading operations.

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

Select a CHICAGO-LATROBE tap based on hole type (through vs. blind), material hardness, and thread size. For through-holes, a spiral point tap like the 357831 is ideal. Match the UNC size and thread class (2B-3B) to your application requirements.

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: 5/8"-11 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 357930)
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CHICAGO-LATROBE Spiral Point Tap: 5/8"-11 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 357930)
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 357542)
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CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 357542)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN 357328)
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CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN 357328)
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 357101)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 357101)
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN 357088)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN 357088)
CHICAGO-LATROBE Spiral Point Tap: 1/2"-13 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 280850)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/2"-13 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 280850)

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CHICAGO-LATROBE Spiral Point Tap: #10-24 UNC, H3 / 2B, 2 Flute, Plug Chamfer (MPN 173012)
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CHICAGO-LATROBE Spiral Point Tap: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357785)
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