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CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 2 Flute, Plug Chamfer (MPN 330116) - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 2 Flute, Plug Chamfer (MPN 330116)

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

SKU 3G-OTH-215713

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: 5/16"-18 UNC, 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
330116

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 through-hole threading in production machining. Its spiral point design pushes chips ahead, preventing clogging and enabling faster tapping in steel, aluminum, and cast iron across automotive, aerospace, and general manufacturing applications.

What are the specifications of the CHICAGO-LATROBE 330116 tap?

The CHICAGO-LATROBE 330116 is a 5/16"-18 UNC spiral point tap with H3 / 2B tolerance, 2 flutes, and a plug chamfer. It is designed for general purpose through-hole threading and is manufactured under part number 330116.

Where to buy CHICAGO-LATROBE taps in worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide, including the 330116 spiral point tap. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility, ensuring you get the right threading tool for your application.

How to select the correct spiral point tap for through holes?

Select a spiral point tap like the CHICAGO-LATROBE 330116 for through holes where chip evacuation is critical. Match thread size (5/16"-18 UNC), chamfer type (plug), and tolerance class (H3) to your material and hole depth. Consult the tap manufacturer's feed and speed recommendations for optimal results.

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
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
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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
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
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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
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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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
Spiral-point tap designed for through-hole threading in production environments. The spiral point pushes chips ahead, preventing clogging and enabling faster tapping in materials such as steel and aluminum. Thread size 5/8"-18 UNF, H3 / 2B tolerance, 3 flutes, plug chamfer
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Spiral-point tap designed for through-hole threading in production environments. The spiral point pushes chips ahead, preventing clogging and enabling faster tapping in materials such as steel and aluminum. Thread size 5/8"-18 UNF, H3 / 2B tolerance, 3 flutes, plug chamfer
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 330144)
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CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 330144)
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)

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This spiral-point tap is designed for through-hole threading in metalworking applications. Its spiral-point geometry pushes chips forward, reducing clogging and enabling efficient thread production. Constructed from high-speed steel with a plug chamfer and 3-flute design, it is suited for general purpose threading in ferrous and non-ferrous materials
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This general purpose spiral-point tap is designed for through-hole threading in production environments. Constructed from high-speed steel with a plug chamfer and 3 flutes, it features an H3 / 2B tolerance for precise thread cutting. The spiral-point design pushes chips forward, reducing clogging and enabling efficient tapping 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. Constructed from high-speed steel with a plug chamfer and 3 flutes, it features an H3 / 2B tolerance for precise thread cutting. The spiral-point design pushes chips forward, reducing clogging and enabling efficient tapping in materials such as steel and aluminum
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