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CHICAGO-LATROBE Spiral Flute Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer - General Purpose Spiral-Flute Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Flute Taps

CHICAGO-LATROBE Spiral Flute Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer

The CHICAGO-LATROBE Spiral Flute Tap (SKU 15J966) is a general-purpose tap with a 3/8"-16 UNC thread size, featuring an H3 / 2B tolerance, bottoming chamfer, 3-flute design, and high-speed steel construction (MPN…

SKU 3G-OTH-230421

Brand
CHICAGO-LATROBE
Item
Spiral Flute Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
367990
Type
H3 / 2B, Bottoming Chamfer, High Speed Steel
Flute
3
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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Spiral Flute Tap (SKU 15J966) is a general-purpose tap with a 3/8"-16 UNC thread size, featuring an H3 / 2B tolerance, bottoming chamfer, 3-flute design, and high-speed steel construction (MPN 367990). 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring we source the right solution.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the CHICAGO-LATROBE 367990 spiral flute tap used for?

The CHICAGO-LATROBE 367990 spiral flute tap is used for threading blind holes in materials like steel and aluminum. Its spiral flute design evacuates chips upward, preventing clogging. The bottoming chamfer allows threading close to the hole bottom. It is a general-purpose tap for maintenance, repair, and production applications.

What are the specifications of the CHICAGO-LATROBE 367990 tap?

The CHICAGO-LATROBE 367990 is a 3/8"-16 UNC spiral flute tap with a H3 / 2B tolerance, 3 flutes, and a bottoming chamfer. It is made of high-speed steel. The manufacturer part number is 367990. This tap is designed for threading blind holes in ferrous and non-ferrous materials.

Where to buy CHICAGO-LATROBE taps in worldwide?

You can source CHICAGO-LATROBE taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply genuine CHICAGO-LATROBE tooling for industrial applications.

How to select the right spiral flute tap for blind holes?

For blind holes, choose a spiral flute tap with a bottoming chamfer, like the CHICAGO-LATROBE 367990. The spiral flutes push chips out of the hole, preventing breakage. Ensure the tap size matches your thread specification (e.g., 3/8"-16 UNC). Use proper cutting fluid and tap at recommended speeds for the material.

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-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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