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CHICAGO-LATROBE Screw Machine Drill Bit: 1/2", 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: 1/2", Carbide

SKU 3G-OTH-194504

Brand
CHICAGO-LATROBE
Item
Screw Machine Drill Bit: 1/2", Carbide
Category
General Purpose Solid Carbide Screw-Machine Length Drill Bits
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
78728
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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a Chicago-Latrobe screw machine drill bit used for?

This 1/2" solid carbide screw-machine length drill bit is designed for general-purpose drilling in production environments. It creates precise holes in metals and composites, commonly used in machining, automotive, and aerospace applications where rigidity and accuracy are critical.

What are the specifications of the Chicago-Latrobe 78728 drill bit?

The Chicago-Latrobe 78728 is a 1/2" diameter solid carbide screw-machine length drill bit with a 118° 4-facet point. It is designed for general-purpose drilling, offering high wear resistance and precision in automated or manual machining operations.

Where to buy Chicago-Latrobe 78728 drill bits worldwide?

3G Electric supplies and delivers the Chicago-Latrobe 78728 drill bit worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order reaches any international destination. Contact us for availability and lead time.

How to select the right Chicago-Latrobe screw machine drill bit?

Select based on hole diameter, material hardness, and machine rigidity. The 1/2" solid carbide bit with a 118° 4-facet point suits general-purpose drilling in steel, stainless, and cast iron. For deeper holes or tougher alloys, consider coolant-fed or coated variants. Always match speed and feed to the workpiece.

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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