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CHICAGO-LATROBE 3/8"-16 UNC General Purpose Spiral-Point Tap - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE 3/8"-16 UNC General Purpose Spiral-Point Tap

The CHICAGO-LATROBE Spiral Point Tap (MPN 357520) is a general purpose spiral-point tap with a 3/8"-16 UNC thread size. It features an H3 / 2B tolerance, plug chamfer, 3 flutes, and is made of high speed steel.

SKU 3G-OTH-214190

Brand
CHICAGO-LATROBE
Item
3/8"-16 UNC General Purpose Spiral-Point Tap
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
357520
Type
H3 / 2B, Plug Chamfer, High Speed Steel
Flute
3

Technical Documents

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

Product Description

The CHICAGO-LATROBE Spiral Point Tap (MPN 357520) is a general purpose spiral-point tap with a 3/8"-16 UNC thread size. It features an H3 / 2B tolerance, plug chamfer, 3 flutes, and is made of high speed steel.

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 357520 tap?

The CHICAGO-LATROBE 357520 is a 3/8"-16 UNC spiral point tap with H3 / 2B tolerance, 3 flutes, and a plug chamfer. It is made from high-speed steel and is designed for general-purpose threading of through-holes.

Where to buy CHICAGO-LATROBE taps in worldwide?

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

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

Select a CHICAGO-LATROBE tap by matching thread size (e.g., 3/8"-16 UNC), chamfer type (plug for through-holes), and material compatibility. For steel, use high-speed steel taps. Always verify hole depth and tolerance class (H3/2B) for fit.

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"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357546)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357546)
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H2 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357504)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H2 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357504)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357322)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357322)
CHICAGO-LATROBE Spiral Point Tap: 7/16"-14 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357686)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 7/16"-14 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357686)
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its 2-flute design pushes chips forward, reducing clogging in production environments. The tap has a 5/16"-18 UNC thread size with H3 / 2B tolerance, plug chamfer, and is made from high-speed steel
CHICAGO-LATROBE
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its 2-flute design pushes chips forward, reducing clogging in production environments. The tap has a 5/16"-18 UNC thread size with H3 / 2B tolerance, plug chamfer, and is made from high-speed steel
CHICAGO-LATROBE Spiral Point Tap: 7/16"-14 UNC, H2 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357660)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 7/16"-14 UNC, H2 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 357660)

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