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CHICAGO-LATROBE 29/64" High-Speed Steel Extended-Length Drill Bit - High-Speed Steel Extended-Length Drill Bits
CHICAGO-LATROBEHigh-Speed Steel Extended-Length Drill Bits

CHICAGO-LATROBE 29/64" High-Speed Steel Extended-Length Drill Bit

3G Electric supplies the CHICAGO-LATROBE Extra Long Drill Bit (29/64", MPN 50557), a high-speed steel extended-length drill bit with a black oxide finish, 10" overall length, and a 118° notched point. This tool is…

SKU 3G-OTH-207418

Brand
CHICAGO-LATROBE
Item
29/64" High-Speed Steel Extended-Length Drill Bit
Part Number
50557
Category
High-Speed Steel Extended-Length Drill Bits
Available to Order
Also known as:50557CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
50557
Type
Black Oxide HSS
Overall Lg
10"
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 (29/64", MPN 50557), a high-speed steel extended-length drill bit with a black oxide finish, 10" overall length, and a 118° notched point. This tool is sourced across 14 industrial departments, with specialist depth in combustion, pumps, and controls ensuring accurate fulfillment for demanding applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE Extra Long Drill Bit 50557 used for?

This CHICAGO-LATROBE extra long drill bit is designed for deep-hole drilling in metal, wood, and plastic. Its 10-inch overall length and 118° notched point allow precise entry and chip evacuation in hard-to-reach areas, common in maintenance, fabrication, and tool-and-die work.

What are the specifications of the CHICAGO-LATROBE 50557 drill bit?

The CHICAGO-LATROBE 50557 is a 29/64-inch diameter extra long drill bit with a 10-inch overall length. It features a 118° notched point and black oxide finish on high-speed steel (HSS). The bit diameter is 0.4531 inches, suitable for general-purpose drilling in ferrous and non-ferrous materials.

Where to buy CHICAGO-LATROBE 50557 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 50557 extra long drill bits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this HSS bit to any country.

How to select the right CHICAGO-LATROBE extra long drill bit?

Select based on hole depth and material. The 50557's 10-inch length suits deep bores; its 118° notched point reduces walking on curved surfaces. For harder steels, consider cobalt or carbide grades. CHICAGO-LATROBE offers various coatings; black oxide provides lubricity and corrosion resistance for general use.

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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