CHICAGO-LATROBEHigh-Speed Steel Extended-Length Drill Bits

CHICAGO-LATROBE Extra Long Drill Bit: 25/64", 12" Overall Lg, 118° Notched Point

SKU 3G-OTH-207423

Brand

CHICAGO-LATROBE

Item

Extra Long Drill Bit: 25/64", 12" Overall Lg, 118° Notched Point

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

50745

Type

Black Oxide HSS 

Overall Lg

12"

Notched Point

118° 

View Full Spec Sheet

Technical Documents

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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 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 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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