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CHICAGO-LATROBE Screw Machine Drill Bit: 25/64", Carbide - General Purpose Solid Carbide Screw-Machine Length Drill Bits
CHICAGO-LATROBEGeneral Purpose Solid Carbide Screw-Machine Length Drill Bits

CHICAGO-LATROBE Screw Machine Drill Bit: 25/64", Carbide

SKU 3G-OTH-194502

Brand
CHICAGO-LATROBE
Item
Screw Machine Drill Bit: 25/64", Carbide
Category
General Purpose Solid Carbide Screw-Machine Length Drill Bits
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
78721
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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the CHICAGO-LATROBE Screw Machine Drill Bit 78721 used for?

This general purpose solid carbide screw-machine length drill bit is designed for precision drilling in production environments. It is ideal for creating accurate holes in metals and other materials on automatic screw machines or CNC lathes, where rigidity and chip control are critical.

What are the specifications of the CHICAGO-LATROBE 78721 drill bit?

The CHICAGO-LATROBE 78721 is a solid carbide screw-machine length drill bit with a 25/64" diameter (0.3906 inches). It features a 118° 4-facet point geometry for improved centering and reduced thrust. The manufacturer part number is 78721.

Where to buy CHICAGO-LATROBE 78721 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 78721 screw machine drill bit worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct CHICAGO-LATROBE screw machine drill bit?

Select based on hole diameter, material, and machine type. For the 78721, the 25/64" size suits medium-precision holes in steel or alloys. The 118° point and 4-facet grind reduce walking on entry. Ensure your machine provides rigid support and adequate coolant for carbide tooling.

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 solid carbide screw-machine length drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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