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CHICAGO-LATROBE 25/64" Black Oxide HSS Extended-Length Drill Bit - High-Speed Steel Extended-Length Drill Bits
CHICAGO-LATROBEHigh-Speed Steel Extended-Length Drill Bits

CHICAGO-LATROBE 25/64" Black Oxide HSS Extended-Length Drill Bit

3G Electric supplies the CHICAGO-LATROBE Extra Long Drill Bit (25/64", MPN 50745), a high-speed steel extended-length drill bit with a 12" overall length, 118° notched point, and black oxide finish. This tool is…

SKU 3G-OTH-207423

Brand
CHICAGO-LATROBE
Item
25/64" Black Oxide HSS Extended-Length Drill Bit
Part Number
50745
Category
High-Speed Steel Extended-Length Drill Bits
Available to Order
Also known as:50745CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
50745
Type
Black Oxide HSS
Overall Lg
12"
Notched Point
118°

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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

3G Electric supplies the CHICAGO-LATROBE Extra Long Drill Bit (25/64", MPN 50745), a high-speed steel extended-length drill bit with a 12" overall length, 118° notched point, and black oxide finish. This tool is sourced across 14 industrial departments, with specialist depth in cutting tools and machining, ensuring you get the right solution for demanding drilling applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE Extra Long Drill Bit 50745 used for?

This 25/64" black oxide HSS drill bit is designed for deep-hole drilling in metal, wood, and plastic. Its 12" overall length and 118° notched point provide precise entry and chip evacuation in industrial maintenance, fabrication, and tool-and-die applications.

What are the specifications of the CHICAGO-LATROBE 50745 drill bit?

The CHICAGO-LATROBE 50745 is a 25/64" (0.3906") extra long drill bit with a 12" overall length, 118° notched point, and black oxide finish. It is made from high-speed steel (HSS) for durability in extended-reach drilling tasks.

Where to buy CHICAGO-LATROBE 50745 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 50745 extra long drill bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time.

How to select the right extra long drill bit for deep-hole drilling?

Choose a bit with a 118° point angle for general-purpose drilling in steel. The CHICAGO-LATROBE 50745's black oxide coating reduces friction and extends tool life. Ensure overall length exceeds hole depth by at least 1" for proper chip clearance.

Used in

Common applications for CHICAGO-LATROBE
Aerospace manufacturing — Chicago-Latrobe NAS-spec jobber-length drill bits (e.g., MPN 42631) for drilling holes in airframe components.
Metal fabrication — Chicago-Latrobe single-flute countersinks (e.g., MPN 56774) for deburring and chamfering holes in steel plates.
Machine shop — Chicago-Latrobe 82° countersinks (e.g., MPN 56738) for creating flush-mount recesses for flat-head screws in assemblies.
Maintenance and repair — Chicago-Latrobe 90° countersinks (e.g., MPN 56760) for chamfering holes and removing burrs on industrial equipment.
Automotive production — Chicago-Latrobe HSS drill bits for holemaking in engine blocks and chassis components.
General machining — Chicago-Latrobe countersinks in various body diameters for chamfering and deburring in job shops.
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CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE high-speed steel extended-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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This high-speed steel drill bit features a black oxide finish for heat resistance and chip evacuation. The 12" overall length and 118° notched point enable deep-hole drilling in metal, wood, and plastic, with reduced walking on curved surfaces. Suitable for accessing recessed areas in industrial maintenance and fabrication
CHICAGO-LATROBE
This high-speed steel drill bit features a black oxide finish for heat resistance and chip evacuation. The 12" overall length and 118° notched point enable deep-hole drilling in metal, wood, and plastic, with reduced walking on curved surfaces. Suitable for accessing recessed areas in industrial maintenance and fabrication

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