Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

CHICAGO-LATROBE Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer - Low-Shear Spiral-Point Taps
CHICAGO-LATROBELow-Shear Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer

The CHICAGO-LATROBE Spiral Point Tap (SKU 330188, MPN 330188) is a low-shear spiral-point tap in 5/16"-24 UNF size, featuring an H3 / 2B tolerance, plug chamfer, 2-flute design, and high-speed steel construction. 3G…

SKU 3G-OTH-217699

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer
Category
Low-Shear 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 — 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
330188
Type
H3 / 2B, Plug Chamfer, High Speed Steel
Flute
2

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

The CHICAGO-LATROBE Spiral Point Tap (SKU 330188, MPN 330188) is a low-shear spiral-point tap in 5/16"-24 UNF size, featuring an H3 / 2B tolerance, plug chamfer, 2-flute design, and high-speed steel construction. 3G Electric interprets this demand and delivers it across 14 industrial departments — with specialist depth in combustion, pumps, and controls as an authorised distributor — ensuring you get the right industrial solution, not just a part.

Frequently Asked Questions

What is a CHICAGO-LATROBE spiral point tap used for?

A CHICAGO-LATROBE spiral point tap is used for threading blind or through holes in production machining. Its low-shear design pushes chips forward, reducing clogging and tap breakage in steel, aluminum, and cast iron. 3G Electric supplies this tap across 14 industrial departments for precision threading applications.

What are the specifications of the CHICAGO-LATROBE 330188 tap?

The CHICAGO-LATROBE 330188 is a 5/16"-24 UNF spiral point tap with H3 / 2B tolerance, 2 flutes, and a plug chamfer. It is made of high-speed steel for durability in production threading. 3G Electric sources this genuine CHICAGO-LATROBE part for worldwide delivery.

Where to buy CHICAGO-LATROBE taps in worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we interpret your demand and deliver genuine cutting tools like the 330188 spiral point tap. Contact us for availability and lead time to your location.

How to select the right spiral point tap for threading?

Select a spiral point tap like the CHICAGO-LATROBE 330188 based on thread size (5/16"-24 UNF), material (high-speed steel for general machining), and chamfer type (plug for blind holes). Ensure tolerance (H3) matches your thread class (2B). 3G Electric can help match the correct tap to your application.

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 low-shear 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: 5/16"-18 UNC, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330187)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330187)
CHICAGO-LATROBE Spiral Point Tap: 7/16"-14 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 330190)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 7/16"-14 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 330190)
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330183)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H2 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330183)
CHICAGO-LATROBE Spiral Point Tap: 1/4"-28 UNF, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330186)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-28 UNF, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330186)
This low-shear spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point geometry pushes chips forward, reducing clogging and enabling faster production tapping in CNC and manual operations. Made from high-speed steel with a plug chamfer and 2-flute design, it is suitable for general machining applications
CHICAGO-LATROBE
This low-shear spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point geometry pushes chips forward, reducing clogging and enabling faster production tapping in CNC and manual operations. Made from high-speed steel with a plug chamfer and 2-flute design, it is suitable for general machining applications
This #12-24 UNC low-shear spiral-point tap is made of high-speed steel with a plug chamfer and 2 flutes. It features H3 / 2B tolerance for through-hole threading in production and maintenance applications. The spiral-point design pushes chips forward, suitable for threading in steel, aluminum, and similar materials
CHICAGO-LATROBE
This #12-24 UNC low-shear spiral-point tap is made of high-speed steel with a plug chamfer and 2 flutes. It features H3 / 2B tolerance for through-hole threading in production and maintenance applications. The spiral-point design pushes chips forward, suitable for threading in steel, aluminum, and similar materials

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
This low-shear spiral-point tap is designed for threading through-holes in metal. The spiral-point geometry pushes chips forward, reducing clogging and enabling efficient tapping in production environments. Made from high-speed steel with a plug chamfer and 2-flute design, it is suitable for general machining applications
CHICAGO-LATROBE
This low-shear spiral-point tap is designed for threading through-holes in metal. The spiral-point geometry pushes chips forward, reducing clogging and enabling efficient tapping in production environments. Made from high-speed steel with a plug chamfer and 2-flute design, it is suitable for general machining applications
This spiral-point tap is designed for threading through-holes in metal, with a low-shear geometry that pushes chips forward to prevent clogging. It features a 5/8"-11 UNC thread, H3 / 2B tolerance, plug chamfer, and 3 flutes, constructed from high-speed steel. Suitable for general industrial threading applications in materials such as steel and aluminum
CHICAGO-LATROBE
This spiral-point tap is designed for threading through-holes in metal, with a low-shear geometry that pushes chips forward to prevent clogging. It features a 5/8"-11 UNC thread, H3 / 2B tolerance, plug chamfer, and 3 flutes, constructed from high-speed steel. Suitable for general industrial threading applications in materials such as steel and aluminum
This low-shear spiral-point tap is designed for threading blind or through holes in metal. The spiral-point geometry pushes chips forward, reducing clogging and enabling efficient tapping in CNC and manual operations. Made from high-speed steel with a plug chamfer and 3 flutes, it features an H3 / 2B tolerance for precise thread forming
CHICAGO-LATROBE
This low-shear spiral-point tap is designed for threading blind or through holes in metal. The spiral-point geometry pushes chips forward, reducing clogging and enabling efficient tapping in CNC and manual operations. Made from high-speed steel with a plug chamfer and 3 flutes, it features an H3 / 2B tolerance for precise thread forming
This #10-32 UNF low-shear spiral-point tap is made from high-speed steel with a plug chamfer and 2 flutes. It is designed for through-hole threading in metals, pushing chips forward for efficient chip evacuation in production and maintenance applications
CHICAGO-LATROBE
This #10-32 UNF low-shear spiral-point tap is made from high-speed steel with a plug chamfer and 2 flutes. It is designed for through-hole threading in metals, pushing chips forward for efficient chip evacuation in production and maintenance applications
CHICAGO-LATROBE Spiral Point Tap: #8-32 UNC, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330178)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: #8-32 UNC, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330178)
This low-shear spiral-point tap is designed for through-hole threading in materials such as steel and aluminum. The spiral point geometry pushes chips forward, reducing clogging and enabling efficient production threading. Made from high-speed steel with a plug chamfer and 3 flutes, it is suitable for general industrial manufacturing and maintenance applications
CHICAGO-LATROBE
This low-shear spiral-point tap is designed for through-hole threading in materials such as steel and aluminum. The spiral point geometry pushes chips forward, reducing clogging and enabling efficient production threading. Made from high-speed steel with a plug chamfer and 3 flutes, it is suitable for general industrial manufacturing and maintenance applications
This low-shear spiral-point tap is designed for threading blind or through holes in metal. The spiral-point geometry pushes chips forward, reducing clogging and breakage. Made from high-speed steel with a plug chamfer and 2-flute design, it is suitable for general threading applications in ferrous materials
CHICAGO-LATROBE
This low-shear spiral-point tap is designed for threading blind or through holes in metal. The spiral-point geometry pushes chips forward, reducing clogging and breakage. Made from high-speed steel with a plug chamfer and 2-flute design, it is suitable for general threading applications in ferrous materials
This high-speed steel spiral-point tap is designed for threading #5-40 UNC through holes in production machining. The spiral-point geometry pushes chips forward, reducing chip congestion. With H2 / 2B tolerance and a plug chamfer, it is suited for general manufacturing applications requiring precise internal threads
CHICAGO-LATROBE
This high-speed steel spiral-point tap is designed for threading #5-40 UNC through holes in production machining. The spiral-point geometry pushes chips forward, reducing chip congestion. With H2 / 2B tolerance and a plug chamfer, it is suited for general manufacturing applications requiring precise internal threads