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CHICAGO-LATROBE 21/64" TiN-Coated HSS Taper-Length Drill Bit - Chip-Clearing High-Speed Steel Taper-Length Drill Bits
CHICAGO-LATROBEChip-Clearing High-Speed Steel Taper-Length Drill Bits

CHICAGO-LATROBE 21/64" TiN-Coated HSS Taper-Length Drill Bit

The CHICAGO-LATROBE Taper Length Drill Bit (21/64", MPN 55253) is a TiN-coated high-speed steel chip-clearing taper-length drill bit with a 135° split point and parabolic flute design. Its 0.3281" diameter supports…

SKU 3G-OTH-221258

Brand
CHICAGO-LATROBE
Item
21/64" TiN-Coated HSS Taper-Length Drill Bit
Part Number
55253
Category
Chip-Clearing High-Speed Steel Taper-Length Drill Bits
Available to Order
Also known as:55253CHICAGO-LATROBE
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Local availability & support — Singapore

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

CHICAGO-LATROBE
Manufacturer Part Number
55253
Type
TiN-Coated HSS, Parabolic Flute
Split Point
135°

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

Product Description

The CHICAGO-LATROBE Taper Length Drill Bit (21/64", MPN 55253) is a TiN-coated high-speed steel chip-clearing taper-length drill bit with a 135° split point and parabolic flute design. Its 0.3281" diameter supports efficient chip evacuation in deep-hole drilling applications.

Frequently Asked Questions

What is a CHICAGO-LATROBE taper length drill bit used for?

A CHICAGO-LATROBE taper length drill bit is used for deep-hole drilling in metal, wood, and composites. Its parabolic flute design clears chips efficiently, while the 135° split point reduces walking and thrust. Common in machining, tool-and-die, and maintenance applications.

What are the specifications of the CHICAGO-LATROBE 55253 drill bit?

The CHICAGO-LATROBE 55253 is a 21/64" (0.3281 inch) taper length drill bit with a 135° split point, TiN-coated HSS, and parabolic flute. It is designed for chip clearing in deep-hole drilling. 3G Electric supplies this genuine CHICAGO-LATROBE part worldwide.

Where to buy CHICAGO-LATROBE 55253 drill bits worldwide?

3G Electric supplies and delivers genuine CHICAGO-LATROBE 55253 taper length drill bits worldwide. We handle full logistics and customs clearance, ensuring you receive the correct TiN-coated HSS, parabolic flute bit with 135° split point for your industrial application.

How to select the right taper length drill bit for deep holes?

Select a taper length drill bit based on hole depth, material, and finish. For deep holes in steel, a TiN-coated HSS bit with parabolic flute and 135° split point, like the CHICAGO-LATROBE 55253, improves chip evacuation and reduces heat. 3G Electric can help match your application.

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 chip-clearing high-speed steel taper-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 taper-length drill bit is made from TiN-coated high-speed steel with a parabolic flute design for efficient chip clearing in deep-hole drilling. The 135° split point reduces walking and thrust, making it suitable for metalworking and industrial machining applications where precision and chip evacuation are required
CHICAGO-LATROBE
This taper-length drill bit is made from TiN-coated high-speed steel with a parabolic flute design for efficient chip clearing in deep-hole drilling. The 135° split point reduces walking and thrust, making it suitable for metalworking and industrial machining applications where precision and chip evacuation are required

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