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CHICAGO-LATROBE Spiral Point Tap: #4-40 UNC, H2 / 2B, 2 Flute, Bottoming Chamfer (MPN 356338) - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: #4-40 UNC, H2 / 2B, 2 Flute, Bottoming Chamfer (MPN 356338)

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

SKU 3G-OTH-215411

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: #4-40 UNC, H2 / 2B, 2 Flute, Bottoming Chamfer
Category
General Purpose Spiral-Point Taps
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
356338

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 a Chicago-Latrobe spiral point tap used for?

A Chicago-Latrobe spiral point tap is used for through-hole threading in metalworking. Its spiral point design pushes chips ahead, preventing clogging and enabling faster, cleaner threads in production environments across machining, automotive, and general manufacturing.

What are the specifications of the Chicago-Latrobe #4-40 UNC spiral point tap?

This Chicago-Latrobe tap is #4-40 UNC thread size, H2 / 2B class of fit, with 2 flutes and a bottoming chamfer. It is a general-purpose spiral-point tap designed for through-hole threading in ferrous and non-ferrous materials.

Where to buy Chicago-Latrobe taps in worldwide?

3G Electric supplies Chicago-Latrobe taps worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this #4-40 UNC spiral point tap.

How to select the right spiral point tap for through holes?

For through holes, choose a spiral point tap like this Chicago-Latrobe #4-40 UNC. The spiral point pushes chips forward, reducing breakage. Match thread size, class of fit (H2/2B), and chamfer type (bottoming for blind holes, plug for general use).

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Spiral Point Tap: #6-32 UNC, H3 / 2B, 2 Flute, Bottoming Chamfer (MPN 356510)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: #6-32 UNC, H3 / 2B, 2 Flute, Bottoming Chamfer (MPN 356510)
CHICAGO-LATROBE Spiral Point Tap: #4-48 UNF, H2 / 2B, 2 Flute, Plug Chamfer (MPN 356361)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: #4-48 UNF, H2 / 2B, 2 Flute, Plug Chamfer (MPN 356361)
CHICAGO-LATROBE Spiral Point Tap: #10-24 UNC, H3 / 2B, 2 Flute, Bottoming Chamfer (MPN 356718)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: #10-24 UNC, H3 / 2B, 2 Flute, Bottoming Chamfer (MPN 356718)
CHICAGO-LATROBE Spiral Point Tap: #4-40 UNC, H2 / 2B, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN 356332)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: #4-40 UNC, H2 / 2B, 2 Flute, Bottoming Chamfer, High Speed Steel (MPN 356332)
CHICAGO-LATROBE Spiral Point Tap: #6-32 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 356486)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: #6-32 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 356486)
CHICAGO-LATROBE Spiral Point Tap: #4-40 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 356320)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: #4-40 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 356320)

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