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CHICAGO-LATROBE Screw Machine Drill Bit: 21/64", 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: 21/64", Carbide

SKU 3G-OTH-194506

Brand
CHICAGO-LATROBE
Item
Screw Machine Drill Bit: 21/64", Carbide
Category
General Purpose Solid Carbide Screw-Machine Length Drill Bits
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
78717
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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the CHICAGO-LATROBE 78717 screw machine drill bit used for?

The CHICAGO-LATROBE 78717 is a general purpose solid carbide screw-machine length drill bit used for precision hole drilling in metalworking. Its 118° 4-facet point reduces thrust and improves chip evacuation, making it suitable for automated machining centers and manual applications across industrial manufacturing.

What are the specifications of the CHICAGO-LATROBE 78717 drill bit?

The CHICAGO-LATROBE 78717 is a 21/64" (0.3281 inch) solid carbide screw-machine length drill bit with a 118° 4-facet point. It is designed for general purpose drilling in ferrous and non-ferrous materials. The carbide construction provides hardness and wear resistance for extended tool life in production environments.

Where to buy CHICAGO-LATROBE 78717 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 78717 drill bits 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 solid carbide screw-machine length drill bit.

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

Select the CHICAGO-LATROBE 78717 for drilling holes requiring a 21/64" diameter in materials like steel, stainless steel, and cast iron. The 118° 4-facet point is ideal for general purpose applications. Ensure your machine spindle speed and feed rate match carbide tooling recommendations to avoid chipping and maximize tool life.

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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