CHICAGO-LATROBEGeneral Purpose Spiral-Flute Taps

CHICAGO-LATROBE Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer (MPN 282501)

SKU 3G-OTH-231107

Brand

CHICAGO-LATROBE

Item

Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B, 3 Flute, Bottoming Chamfer

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

282501

Type

H3 / 2B, Bottoming Chamfer 

Flute

3

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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 Flute Tap (5/16"-18 UNC) is a general-purpose spiral-flute tap with an H3 / 2B tolerance, 3-flute design, and bottoming chamfer (MPN 282501). 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments — and far more — with specialist depth in combustion, pumps, and controls as a trust anchor.

Frequently Asked Questions

What is the CHICAGO-LATROBE 282501 spiral flute tap used for?

The CHICAGO-LATROBE 282501 spiral flute tap is used for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, preventing clogging in deep or blind holes. Common applications include automotive, aerospace, and general manufacturing where precise internal threads are required.

What are the specifications of the CHICAGO-LATROBE 282501 tap?

The CHICAGO-LATROBE 282501 is a general purpose spiral flute tap with thread size 5/16"-18 UNC, H3 / 2B tolerance, 3 flutes, and a bottoming chamfer. It is designed for threading blind holes and is made from high-speed steel. The manufacturer part number is 282501.

Where to buy CHICAGO-LATROBE taps worldwide?

You can source CHICAGO-LATROBE taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times on the 282501 spiral flute tap and other CHICAGO-LATROBE tooling.

How to select the correct spiral flute tap for blind holes?

For blind holes, choose a spiral flute tap with a bottoming chamfer, like the CHICAGO-LATROBE 282501, to thread close to the hole bottom. Ensure the tap's thread size and tolerance (e.g., 5/16"-18 UNC, H3 / 2B) match your application. Use proper cutting fluid and tap speed for the material being threaded.

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-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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