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CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer (MPN 300016) - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer (MPN 300016)

The CHICAGO-LATROBE Spiral Point Tap (5/16"-18 UNC, MPN 300016) is a general purpose spiral-point tap with an H3 / 2B tolerance, 3 flutes, and a bottoming chamfer. 3G Electric interprets your demand for this…

SKU 3G-OTH-216151

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Bottoming 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
300016
Type
H3 / 2B, Bottoming Chamfer
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 (5/16"-18 UNC, MPN 300016) is a general purpose spiral-point tap with an H3 / 2B tolerance, 3 flutes, and a bottoming chamfer. 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments — with specialist depth in combustion, pumps and controls as a trust anchor, not a limit.

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 environments. Its spiral-point design pushes chips ahead, preventing clogging and enabling faster, cleaner threads in materials like steel and aluminum.

What are the specifications of the CHICAGO-LATROBE 300016 tap?

The CHICAGO-LATROBE 300016 is a 5/16"-18 UNC spiral point tap with H3 / 2B tolerance, 3 flutes, and a bottoming chamfer. It is designed for general-purpose through-hole threading in industrial applications.

Where to buy CHICAGO-LATROBE taps in worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine cutting tools to your facility, regardless of location.

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

Select a CHICAGO-LATROBE tap based on thread size, pitch, chamfer type, and material. For through-holes, a spiral point tap like the 300016 pushes chips forward. Match the H limit to your thread class for proper 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
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a bottoming chamfer for threading close to the bottom of blind holes, with an H3 / 2B tolerance class. The 2-flute design and spiral point push chips forward, reducing clogging. Suitable for general manufacturing applications requiring precise UNF threads
CHICAGO-LATROBE
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a bottoming chamfer for threading close to the bottom of blind holes, with an H3 / 2B tolerance class. The 2-flute design and spiral point push chips forward, reducing clogging. Suitable for general manufacturing applications requiring precise UNF threads
CHICAGO-LATROBE Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer (MPN 367958)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer (MPN 367958)
Spiral-flute tap for threading blind holes in steel and aluminum. The spiral flute design evacuates chips upward to prevent clogging. Bottoming chamfer allows threading close to the hole bottom. Tolerance H3 / 2B, 3-flute construction
CHICAGO-LATROBE
Spiral-flute tap for threading blind holes in steel and aluminum. The spiral flute design evacuates chips upward to prevent clogging. Bottoming chamfer allows threading close to the hole bottom. Tolerance H3 / 2B, 3-flute construction
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN 357058)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN 357058)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer (MPN 173052)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer (MPN 173052)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 2 Flute, Bottoming Chamfer (MPN 357298)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 2 Flute, Bottoming Chamfer (MPN 357298)

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General purpose spiral-point tap for through-hole threading. Made from high speed steel with 3 flutes and plug chamfer. Thread size 1/4"-28 UNF, tolerance H3 / 2B. Suitable for production tapping in steel and aluminum
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General purpose spiral-point tap with #4-48 UNF thread size, H2 / 2B tolerance, 2-flute design, and plug chamfer. The spiral-point geometry pushes chips forward, making it suitable for through-hole tapping in a variety of materials. Commonly used in production and maintenance threading operations
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This spiral-point tap is designed for general-purpose threading of blind or through holes in metals such as steel, aluminum, and cast iron. The spiral-point geometry pushes chips forward, reducing clogging in production environments. Made from high-speed steel with a D4 / 6H tolerance class, 2 flutes, and a plug chamfer. Manufacturer part number 360854
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