We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN 280553) - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN 280553)

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

SKU 3G-OTH-215746

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
280553

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 280553 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 280553 tap?

The CHICAGO-LATROBE 280553 is a 3/8"-16 UNC spiral point tap with H3 tolerance and 2B class of fit. It has 3 flutes and a plug chamfer. The manufacturer part number is 280553, and it is designed for general purpose through-hole tapping.

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 facility. Contact us for pricing and lead time on the 280553 spiral point tap.

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

Select a tap based on thread size, pitch, and material. For through holes, a spiral point tap like the 280553 pushes chips ahead. Ensure the tap's H tolerance and class of fit match your thread requirements. Consult a tap drill chart for the correct hole size before tapping.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 280603)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 280603)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN 280454)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN 280454)
CHICAGO-LATROBE Spiral Point Tap: 3/8"-24 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN 280652)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 3/8"-24 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN 280652)
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN 280306)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN 280306)
General purpose spiral point tap for through-hole threading in ferrous and non-ferrous materials. Features 1/4"-20 UNC thread, H5 tolerance for 2B-3B class fit, 3 flutes, and plug chamfer. Designed for applications requiring efficient chip evacuation
CHICAGO-LATROBE
General purpose spiral point tap for through-hole threading in ferrous and non-ferrous materials. Features 1/4"-20 UNC thread, H5 tolerance for 2B-3B class fit, 3 flutes, and plug chamfer. Designed for applications requiring efficient chip evacuation
CHICAGO-LATROBE Spiral Point Tap: 1/2"-20 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN 280901)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/2"-20 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN 280901)

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
General purpose spiral-point tap for threading through-holes in ferrous and non-ferrous materials. Features a 5/16"-24 UNF thread size with H3 / 2B tolerance, 3 flutes, and a plug chamfer. The spiral-point design pushes chips forward, enabling efficient chip evacuation during production tapping
CHICAGO-LATROBE
General purpose spiral-point tap for threading through-holes in ferrous and non-ferrous materials. Features a 5/16"-24 UNF thread size with H3 / 2B tolerance, 3 flutes, and a plug chamfer. The spiral-point design pushes chips forward, enabling efficient chip evacuation during production tapping
General purpose spiral-point tap for through-hole threading of #0-80 UNF threads. Features a plug chamfer and 2-flute design to direct chips forward, suitable for a variety of materials in general manufacturing and maintenance applications
CHICAGO-LATROBE
General purpose spiral-point tap for through-hole threading of #0-80 UNF threads. Features a plug chamfer and 2-flute design to direct chips forward, suitable for a variety of materials in general manufacturing and maintenance applications
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. The spiral-point design pushes chips forward, reducing clogging and breakage. It features a 1/4"-20 UNC thread, H5 tolerance for 2B-3B class fit, plug chamfer, 3 flutes, 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. The spiral-point design pushes chips forward, reducing clogging and breakage. It features a 1/4"-20 UNC thread, H5 tolerance for 2B-3B class fit, plug chamfer, 3 flutes, and is made from high-speed steel
This general purpose spiral-point tap is made from high-speed steel with a #3-56 UNF thread size. It features a plug chamfer, 2 flutes, and H2 / 2B tolerance class. The spiral-point design pushes chips forward, making it suitable for through-hole threading in metals for production and maintenance applications
CHICAGO-LATROBE
This general purpose spiral-point tap is made from high-speed steel with a #3-56 UNF thread size. It features a plug chamfer, 2 flutes, and H2 / 2B tolerance class. The spiral-point design pushes chips forward, making it suitable for through-hole threading in metals for production and maintenance applications
This spiral-point tap is designed for threading through-holes in metal and plastic. The spiral-point geometry pushes chips forward, reducing chip clogging. It features a bottoming chamfer for threading to the bottom of blind holes. Made from high-speed steel with H2 / 2B tolerance, it produces #8-32 UNC threads
CHICAGO-LATROBE
This spiral-point tap is designed for threading through-holes in metal and plastic. The spiral-point geometry pushes chips forward, reducing chip clogging. It features a bottoming chamfer for threading to the bottom of blind holes. Made from high-speed steel with H2 / 2B tolerance, it produces #8-32 UNC threads
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
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a plug chamfer and 3 flutes to push chips forward, reducing clogging and breakage. Suitable for general manufacturing applications requiring clean, accurate threads
CHICAGO-LATROBE
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. It features a plug chamfer and 3 flutes to push chips forward, reducing clogging and breakage. Suitable for general manufacturing applications requiring clean, accurate threads
This spiral-point tap is designed for through-hole threading in metal. Its spiral-point geometry pushes chips forward, reducing chip clogging. Made from high-speed steel with a plug chamfer and H2 / 2B tolerance, it is suited for general-purpose tapping in materials such as steel and aluminum
CHICAGO-LATROBE
This spiral-point tap is designed for through-hole threading in metal. Its spiral-point geometry pushes chips forward, reducing chip clogging. Made from high-speed steel with a plug chamfer and H2 / 2B tolerance, it is suited for general-purpose tapping in materials such as steel and aluminum