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

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

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

SKU 3G-OTH-216225

Brand
CHICAGO-LATROBE
Item
3/8"-16 UNC 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
330146

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 the CHICAGO-LATROBE Spiral Point Tap 330146 used for?

This spiral point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its 3-flute design pushes chips forward, reducing clogging in production environments. Common applications include automotive, aerospace, and general manufacturing where clean UNC threads are required.

What are the specifications of the CHICAGO-LATROBE 330146 tap?

The CHICAGO-LATROBE 330146 is a 3/8"-16 UNC spiral point tap with H2 limit and 2B class of fit. It has 3 flutes and a plug chamfer. The manufacturer part number is 330146. This general-purpose tap is suitable for through-hole threading in a range of materials.

Where to buy CHICAGO-LATROBE taps in worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver this 330146 spiral point tap to any international destination.

How to select the right CHICAGO-LATROBE tap for UNC threads?

Select a tap based on thread size, pitch, and hole type. For through holes, a spiral point tap like the 330146 pushes chips forward. Ensure the tap matches the required class of fit (e.g., 2B) and material hardness. CHICAGO-LATROBE offers H2 limits for general-purpose threading in steel and aluminum.

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, H3 / 2B, 3 Flute, Plug Chamfer (MPN 330161)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN 330161)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 330144)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 330144)
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. The spiral-point geometry pushes chips forward, reducing clogging and breakage. Common applications include general manufacturing where clean UNC threads are required
CHICAGO-LATROBE
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. The spiral-point geometry pushes chips forward, reducing clogging and breakage. Common applications include general manufacturing where clean UNC threads are required
Spiral-point tap designed for through-hole threading in ferrous and non-ferrous materials. Features a 5/16"-18 UNC thread size, H3 / 2B tolerance, 3 flute design, and plug chamfer. Pushes chips forward to reduce clogging and breakage during threading operations
CHICAGO-LATROBE
Spiral-point tap designed for through-hole threading in ferrous and non-ferrous materials. Features a 5/16"-18 UNC thread size, H3 / 2B tolerance, 3 flute design, and plug chamfer. Pushes chips forward to reduce clogging and breakage during threading operations
General purpose spiral point tap for through-hole threading in ferrous and non-ferrous materials. Features 5/16"-18 UNC thread, H3/2B class of fit, 3 flutes, and plug chamfer. Suitable for manufacturing and maintenance tapping operations
CHICAGO-LATROBE
General purpose spiral point tap for through-hole threading in ferrous and non-ferrous materials. Features 5/16"-18 UNC thread, H3/2B class of fit, 3 flutes, and plug chamfer. Suitable for manufacturing and maintenance tapping operations
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a plug chamfer and 2-flute design that pushes chips forward, suitable for production tapping. Thread size: 5/16"-18 UNC. Tolerance: H5 for 2B-3B thread classes
CHICAGO-LATROBE
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a plug chamfer and 2-flute design that pushes chips forward, suitable for production tapping. Thread size: 5/16"-18 UNC. Tolerance: H5 for 2B-3B thread classes

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General purpose spiral-point tap for through-hole threading in metalworking. The spiral point design pushes chips forward, preventing clogging and enabling faster production. Suitable for tapping in steel, aluminum, and other machinable materials
CHICAGO-LATROBE
General purpose spiral-point tap for through-hole threading in metalworking. The spiral point design pushes chips forward, preventing clogging and enabling faster production. Suitable for tapping in steel, aluminum, and other machinable materials
CHICAGO-LATROBE Spiral Point Tap: #12-24 UNC, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 356803)
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CHICAGO-LATROBE Spiral Point Tap: #12-24 UNC, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 356803)
CHICAGO-LATROBE Spiral Point Tap: #10-32 UNF, H3 / 2B, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN 356779)
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CHICAGO-LATROBE Spiral Point Tap: #10-32 UNF, H3 / 2B, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN 356779)
This spiral-point tap is designed for through-hole threading in production environments. The spiral-point design pushes chips forward, preventing clogging and enabling faster tapping cycles. Made from high-speed steel with a plug chamfer and 3-flute configuration, it is suitable for general-purpose threading in materials such as steel and aluminum
CHICAGO-LATROBE
This spiral-point tap is designed for through-hole threading in production environments. The spiral-point design pushes chips forward, preventing clogging and enabling faster tapping cycles. Made from high-speed steel with a plug chamfer and 3-flute configuration, it is suitable for general-purpose threading in materials such as steel and aluminum
CHICAGO-LATROBE Spiral Point Tap: #4-40 UNC, H2 / 2B, 2 Flute, Bottoming Chamfer (MPN 356338)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: #4-40 UNC, H2 / 2B, 2 Flute, Bottoming Chamfer (MPN 356338)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer (MPN 330118)
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CHICAGO-LATROBE Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer (MPN 330118)
CHICAGO-LATROBE Spiral Point Tap: M12x1.75 Metric, D6 / 6H, 3 Flute, Bottoming Chamfer (MPN 173049)
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CHICAGO-LATROBE Spiral Point Tap: M12x1.75 Metric, D6 / 6H, 3 Flute, Bottoming Chamfer (MPN 173049)
CHICAGO-LATROBE Spiral Point Tap: #10-24 UNC, H1 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 356662)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: #10-24 UNC, H1 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 356662)