EXW Singapore — collect or forward from our Singapore office.

3G Electric
CHICAGO-LATROBE Oversized Spiral-Point Tap - Oversized Spiral-Point Taps
CHICAGO-LATROBEOversized Spiral-Point Taps

CHICAGO-LATROBE Oversized Spiral-Point Tap

The CHICAGO-LATROBE Spiral Point Tap (MPN 330111) is an oversized spiral-point tap with a 1/4"-20 UNC thread, H11 / 2B tolerance, plug chamfer, 2 flutes, and high-speed steel construction.

SKU 3G-OTH-251216

Brand
CHICAGO-LATROBE
Item
Oversized Spiral-Point Tap
Part Number
330111
Category
Oversized Spiral-Point Taps
Available to Order
Also known as:330111CHICAGO-LATROBE
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.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
330111
Type
H11 / 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 (MPN 330111) is an oversized spiral-point tap with a 1/4"-20 UNC thread, H11 / 2B tolerance, plug chamfer, 2 flutes, and high-speed steel construction.

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap 330111 used for?

This tap is used for threading through-holes in metal, steel, and alloys. Its spiral-point design pushes chips forward, preventing clogging and enabling faster production threading in manufacturing and maintenance applications.

What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 330111?

The tap has a 1/4"-20 UNC thread, H11 / 2B class of fit, 2 flutes, plug chamfer, and is made of high-speed steel. It is an oversized spiral-point tap designed for through-hole threading. The manufacturer part number is 330111.

Where to buy CHICAGO-LATROBE taps in worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the 330111 spiral point tap.

How to select the right CHICAGO-LATROBE tap for my application?

Select based on thread size (1/4"-20 UNC), material (high-speed steel for general metal), and hole type (spiral point for through-holes). For blind holes, consider a spiral flute tap. Always match the tap class (H11 / 2B) to your thread tolerance requirements.

Used in

Common applications for CHICAGO-LATROBE
Aerospace manufacturing — Chicago-Latrobe NAS-spec jobber-length drill bits (e.g., MPN 42631) for drilling holes in airframe components.
Metal fabrication — Chicago-Latrobe single-flute countersinks (e.g., MPN 56774) for deburring and chamfering holes in steel plates.
Machine shop — Chicago-Latrobe 82° countersinks (e.g., MPN 56738) for creating flush-mount recesses for flat-head screws in assemblies.
Maintenance and repair — Chicago-Latrobe 90° countersinks (e.g., MPN 56760) for chamfering holes and removing burrs on industrial equipment.
Automotive production — Chicago-Latrobe HSS drill bits for holemaking in engine blocks and chassis components.
General machining — Chicago-Latrobe countersinks in various body diameters for chamfering and deburring in job shops.
Not sure this is the right part? Photo-identify it→

CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE oversized 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 →

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts →
Oversized spiral-point tap for through-hole threading. Features a 3/4"-16 UNF thread, H11/1B tolerance, 4 flutes, and plug chamfer. The spiral point design pushes chips forward, reducing clogging in production threading applications
CHICAGO-LATROBE
Oversized spiral-point tap for through-hole threading. Features a 3/4"-16 UNF thread, H11/1B tolerance, 4 flutes, and plug chamfer. The spiral point design pushes chips forward, reducing clogging in production threading applications

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first