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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. 3G Electric interprets this…

SKU 3G-OTH-251216

Brand
CHICAGO-LATROBE
Item
Oversized Spiral-Point Tap
Category
Oversized 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
330111
Type
H11 / 2B, Plug Chamfer, High Speed Steel
Flute
2

Technical Documents

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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. 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 answer, not just a catalog.

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 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 oversized 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
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H11 / 1B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330185)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H11 / 1B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330185)
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H11 / 1B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313500)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H11 / 1B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313500)
CHICAGO-LATROBE Spiral Point Tap: 1/2"-20 UNF, H11 / 1B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313509)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/2"-20 UNF, H11 / 1B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 313509)
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H5 / 2B-3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 357066)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H5 / 2B-3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 357066)
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
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330184)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330184)

More from CHICAGO-LATROBE

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This oversized spiral-point tap is designed for cutting internal threads in through-hole applications. The spiral-point geometry pushes chips ahead of the tap, preventing clogging and ensuring smooth operation. It is suitable for general machining of ferrous and non-ferrous materials where a 1/4"-20 UNC thread with a 2B class fit is required
CHICAGO-LATROBE
This oversized spiral-point tap is designed for cutting internal threads in through-hole applications. The spiral-point geometry pushes chips ahead of the tap, preventing clogging and ensuring smooth operation. It is suitable for general machining of ferrous and non-ferrous materials where a 1/4"-20 UNC thread with a 2B class fit is required
Oversized spiral-point tap with M12x1.25 metric thread, D11 / 6H tolerance class, 3 flutes, and plug chamfer. Spiral-point design pushes chips forward for efficient through-hole tapping in metals. Suitable for production threading applications
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Oversized spiral-point tap with M12x1.25 metric thread, D11 / 6H tolerance class, 3 flutes, and plug chamfer. Spiral-point design pushes chips forward for efficient through-hole tapping in metals. Suitable for production threading applications
Oversized spiral-point tap for through-hole threading. M10x1.25 metric size with D11 / 6H tolerance class. 3-flute design with plug chamfer. Spiral-point geometry pushes chips ahead, reducing clogging in production threading applications
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Oversized spiral-point tap for through-hole threading. M10x1.25 metric size with D11 / 6H tolerance class. 3-flute design with plug chamfer. Spiral-point geometry pushes chips ahead, reducing clogging in production threading applications
Oversized spiral-point tap for #10-32 UNF threads, made of high-speed steel with H11 tolerance, plug chamfer, and 2 flutes. The spiral-point design pushes chips forward, suited for through-hole threading in metals. Commonly used in production and maintenance applications requiring precise internal threads
CHICAGO-LATROBE
Oversized spiral-point tap for #10-32 UNF threads, made of high-speed steel with H11 tolerance, plug chamfer, and 2 flutes. The spiral-point design pushes chips forward, suited for through-hole threading in metals. Commonly used in production and maintenance applications requiring precise internal threads
CHICAGO-LATROBE Spiral Point Tap: M12x1.75 Metric, D11 / 6H, 3 Flute, Plug Chamfer (MPN 313577)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: M12x1.75 Metric, D11 / 6H, 3 Flute, Plug Chamfer (MPN 313577)
CHICAGO-LATROBE Spiral Point Tap: M10x1 Metric, D11 / 6H, 3 Flute, Plug Chamfer (MPN 313572)
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CHICAGO-LATROBE Spiral Point Tap: M10x1 Metric, D11 / 6H, 3 Flute, Plug Chamfer (MPN 313572)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H13 / 1B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 358510)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H13 / 1B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 358510)
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H13 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 358494)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H13 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 358494)