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CHICAGO-LATROBE 1/4" Black Oxide HSS Jobber-Length Drill Bit - General Purpose High-Speed Steel Jobber-Length Drill Bits
CHICAGO-LATROBEGeneral Purpose High-Speed Steel Jobber-Length Drill Bits

CHICAGO-LATROBE 1/4" Black Oxide HSS Jobber-Length Drill Bit

CHICAGO-LATROBE General Purpose High-Speed Steel Jobber-Length Drill Bits.

SKU 3G-OTH-192224

Brand
CHICAGO-LATROBE
Item
1/4" Black Oxide HSS Jobber-Length Drill Bit
Part Number
57216
Category
General Purpose High-Speed Steel Jobber-Length Drill Bits
Available to Order
Also known as:57216CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
57216

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

Product Description

CHICAGO-LATROBE General Purpose High-Speed Steel Jobber-Length Drill Bits.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 57216 used for?

This 1/4" black oxide HSS drill bit is designed for general-purpose drilling in metal, wood, and plastic. Its 118° split point reduces walking and eliminates the need for a center punch, making it ideal for maintenance, fabrication, and production work across industrial departments.

What are the specifications of the CHICAGO-LATROBE 57216 drill bit?

The CHICAGO-LATROBE 57216 is a jobber length drill bit with a 0.2500" diameter, 118° split point, and black oxide finish on high-speed steel. It is a general-purpose tool suitable for portable and machine drilling applications, offering extended tool life and chip evacuation.

Where to buy CHICAGO-LATROBE 57216 drill bits worldwide?

3G Electric supplies and delivers the CHICAGO-LATROBE 57216 drill bit worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, no matter the location. Contact us for availability and lead time.

How to select the right jobber length drill bit for metal?

For metal drilling, choose a high-speed steel bit with a 118° split point like the CHICAGO-LATROBE 57216 to reduce walking and improve accuracy. Match the bit diameter to your hole size, use cutting fluid for lubrication, and run at recommended speeds for the material to extend tool life.

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 general purpose high-speed steel jobber-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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General purpose jobber-length drill bit made from high-speed steel with a black oxide finish. Features a 118° split point to reduce walking and eliminate the need for center punching. Suitable for drilling in metal, wood, and plastic in production and maintenance applications
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