CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 3 Flute, Plug Chamfer (MPN 330157)

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

SKU 3G-OTH-214151

Brand

CHICAGO-LATROBE

Item

Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 3 Flute, Plug Chamfer

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

330157

Technical Documents

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CHICAGO-LATROBE Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap 330157 used for?

The CHICAGO-LATROBE Spiral Point Tap 330157 is a general-purpose tap designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point design pushes chips forward, reducing clogging and enabling faster production threading in manufacturing and maintenance applications.

What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 330157?

The CHICAGO-LATROBE Spiral Point Tap 330157 has a thread size of 1/4"-20 UNC, with H3 / 2B tolerance, 3 flutes, and a plug chamfer. The manufacturer part number is 330157. It is a general-purpose spiral-point tap for through-hole threading.

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 330157 spiral point tap.

How to select the correct CHICAGO-LATROBE tap for a job?

Select a CHICAGO-LATROBE tap based on thread size, tolerance class, and material. For through holes, a spiral-point tap like the 330157 (1/4"-20 UNC, H3 / 2B) pushes chips forward. For blind holes, use a spiral-flute tap. Always match the tap to the material hardness and thread depth.

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 general purpose 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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