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

CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H1 / 2B, 2 Flute, Plug Chamfer - Low-Shear Spiral-Point Taps
CHICAGO-LATROBELow-Shear Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H1 / 2B, 2 Flute, Plug Chamfer

The CHICAGO-LATROBE Spiral Point Tap (SKU 3G-OTH-217688) is a low-shear spiral-point tap with a 1/4"-20 UNC thread, H1/2B tolerance, plug chamfer, and 2-flute high-speed steel construction (MPN 330182). 3G Electric…

SKU 3G-OTH-217688

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: 1/4"-20 UNC, H1 / 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

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
330182
Type
H1 / 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 3G-OTH-217688) is a low-shear spiral-point tap with a 1/4"-20 UNC thread, H1/2B tolerance, plug chamfer, and 2-flute high-speed steel construction (MPN 330182). 3G Electric interprets this demand and sources it across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorised distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump, and FBR.

Frequently Asked Questions

What is the CHICAGO-LATROBE 330182 spiral point tap used for?

The CHICAGO-LATROBE 330182 spiral point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point geometry pushes chips forward, reducing chip clogging and enabling faster production tapping in CNC and manual operations.

What are the specifications of the CHICAGO-LATROBE 330182 tap?

The CHICAGO-LATROBE 330182 is a 1/4"-20 UNC spiral point tap with H1/2B tolerance, 2 flutes, and a plug chamfer. It is made from high-speed steel (HSS) and is suitable for through-hole tapping in materials up to 850 °C hardness.

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 availability and lead time on the 330182 spiral point tap.

How to select the correct spiral point tap for through-hole threading?

For through-hole threading, choose a spiral point tap like the CHICAGO-LATROBE 330182. Ensure the tap size matches the thread specification (e.g., 1/4"-20 UNC) and material hardness. Use proper cutting fluid and feed rate to extend tool life and achieve clean threads.

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: 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)
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: 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: 3/8"-16 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 330189)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 3/8"-16 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 330189)
CHICAGO-LATROBE Spiral Point Tap: #10-24 UNC, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330179)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: #10-24 UNC, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330179)

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
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
This low-shear spiral-point tap is designed for threading #4-40 UNC holes in through-hole applications. The spiral-point geometry pushes chips forward, enabling efficient chip evacuation in production environments. Constructed from high-speed steel with a plug chamfer and 2-flute design, it is suited for use in metals and plastics
CHICAGO-LATROBE
This low-shear spiral-point tap is designed for threading #4-40 UNC holes in through-hole applications. The spiral-point geometry pushes chips forward, enabling efficient chip evacuation in production environments. Constructed from high-speed steel with a plug chamfer and 2-flute design, it is suited for use in metals and plastics
CHICAGO-LATROBE Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330188)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 330188)
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)
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: 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: 5/8"-11 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 330192)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/8"-11 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 330192)
CHICAGO-LATROBE Spiral Point Tap: 1/2"-13 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 330191)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/2"-13 UNC, H3 / 2B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 330191)