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CHICAGO-LATROBE 1-27/64" Black Oxide HSS Silver & Deming Drill Bit - High-Speed Steel Silver & Deming Drill Bits
CHICAGO-LATROBEHigh-Speed Steel Silver & Deming Drill Bits

CHICAGO-LATROBE 1-27/64" Black Oxide HSS Silver & Deming Drill Bit

The CHICAGO-LATROBE Reduced Shank Drill Bit (SKU 52491, MPN 52491) is a 1-27/64" high-speed steel Silver & Deming drill bit with a 118° point, black oxide finish, and a 3-flats shank. It features a 1.4219…

SKU 3G-OTH-193869

Brand
CHICAGO-LATROBE
Item
1-27/64" Black Oxide HSS Silver & Deming Drill Bit
Part Number
52491
Category
High-Speed Steel Silver & Deming Drill Bits
Available to Order
Also known as:52491CHICAGO-LATROBE
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
52491
Type
Black Oxide HSS
Point
118°
Shank
3-Flats

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

Product Description

The CHICAGO-LATROBE Reduced Shank Drill Bit (SKU 52491, MPN 52491) is a 1-27/64" high-speed steel Silver & Deming drill bit with a 118° point, black oxide finish, and a 3-flats shank. It features a 1.4219 specification, designed for industrial drilling applications.

Frequently Asked Questions

What is a Chicago-Latrobe reduced shank drill bit used for?

A Chicago-Latrobe reduced shank drill bit, like the 1-27/64" model, is used in industrial machining to drill large-diameter holes in metal using standard drill chucks. Its 3-flats shank prevents slipping, while the 118° point and black oxide HSS provide durability in steel and alloy applications.

What are the specifications of the Chicago-Latrobe 52491 reduced shank drill bit?

The Chicago-Latrobe 52491 reduced shank drill bit has a 1-27/64" diameter, 118° point, black oxide high-speed steel construction, and a 3-flats shank. The shank diameter is 1.4219 inches, designed for use in standard drill chucks for heavy-duty metal drilling.

Where to buy Chicago-Latrobe reduced shank drill bits worldwide?

3G Electric supplies Chicago-Latrobe reduced shank drill bits worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine parts like the 52491 model and deliver to any international destination. Contact us for pricing and lead time.

How to select the correct reduced shank drill bit size?

To select the correct reduced shank drill bit, match the drill diameter to your hole size and ensure the shank fits your chuck. For the Chicago-Latrobe 52491, the 1-27/64" bit has a 1.4219" shank. Always verify the point angle (118°) and material compatibility with your workpiece.

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 silver & deming 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 Silver & Deming drill bit is made from high-speed steel with a black oxide finish and a 118° split point. The reduced shank allows use in standard drill chucks. Suitable for drilling in metal, wood, and plastic in industrial maintenance, fabrication, and machine shop applications

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