CHICAGO-LATROBELow-Shear Spiral-Point Taps

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

SKU 3G-OTH-217688

Brand

CHICAGO-LATROBE

Item

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

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

330182

Type

H1 / 2B, Plug Chamfer, High Speed Steel 

Flute

2

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Technical Documents

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CHICAGO-LATROBE Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Spiral Point Tap (SKU 15J933) 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.

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