CHICAGO-LATROBESpiral-Point Extension Taps

CHICAGO-LATROBE Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer

SKU 3G-OTH-313641

Brand

CHICAGO-LATROBE

Item

Spiral Point Tap: 5/16"-24 UNF, H3 / 2B, 2 Flute, Plug Chamfer

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

918939

Type

H3 / 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 (MPN 918939) is a 5/16"-24 UNF spiral-point extension tap made from high-speed steel with a plug chamfer, H3 / 2B tolerance, and 2 flutes. 3G Electric interprets this demand and sources it across 14 industrial departments, with specialist depth in cutting tools as an authorised distributor.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap 918939 used for?

This spiral point tap is designed for threading blind or through holes in metal. Its 5/16"-24 UNF size and plug chamfer make it suitable for production tapping in steel, aluminum, and alloys. The high-speed steel construction provides durability for general industrial machining applications.

What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 918939?

The tap has a 5/16"-24 UNF thread size with H3 / 2B tolerance, 2 flutes, and a plug chamfer. It is made of high-speed steel and is a spiral-point extension tap. The manufacturer part number is 918939, and the SKU is 434Z06.

Where to buy the CHICAGO-LATROBE Spiral Point Tap 918939 worldwide?

3G Electric supplies the CHICAGO-LATROBE Spiral Point Tap 918939 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this tap for your machining needs.

How to select the correct CHICAGO-LATROBE Spiral Point Tap for my application?

Select based on thread size, material, and hole type. For blind holes, use a spiral point tap like this 5/16"-24 UNF model. Match the tap tolerance (H3) to your required thread class (2B). High-speed steel works for general metals; consult a tap selection guide for specific alloys.

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

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