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CHICAGO-LATROBE Letter I HSS Parabolic Flute Jobber-Length Drill Bit - Chip-Clearing High-Speed Steel Jobber-Length Drill Bits
CHICAGO-LATROBEChip-Clearing High-Speed Steel Jobber-Length Drill Bits

CHICAGO-LATROBE Letter I HSS Parabolic Flute Jobber-Length Drill Bit

The CHICAGO-LATROBE Jobber Length Drill Bit (Letter I, MPN 68978) is a chip-clearing high-speed steel jobber-length drill bit with a 135° split point and parabolic flute design. Its key specification is a diameter of…

SKU 3G-OTH-194342

Brand
CHICAGO-LATROBE
Item
Letter I HSS Parabolic Flute Jobber-Length Drill Bit
Part Number
68978
Category
Chip-Clearing High-Speed Steel Jobber-Length Drill Bits
Available to Order
Also known as:68978CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
68978
Type
HSS, Parabolic Flute
Split Point
135°

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

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit (Letter I, MPN 68978) is a chip-clearing high-speed steel jobber-length drill bit with a 135° split point and parabolic flute design. Its key specification is a diameter of 0.2720 inches. 3G Electric interprets this demand and sources it across 14 industrial departments, with specialist depth in cutting tools and controls.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 68978 used for?

This drill bit is designed for drilling into metal, wood, and plastics. Its parabolic flute design clears chips efficiently in deep-hole applications, while the 135° split point reduces walking and eliminates the need for a center punch. It is commonly used in general manufacturing and maintenance.

What are the specifications of the CHICAGO-LATROBE 68978 drill bit?

The CHICAGO-LATROBE 68978 is a jobber-length drill bit with a Letter I size (0.2720 inch diameter). It features a 135° split point, high-speed steel (HSS) construction, and a parabolic flute design for efficient chip evacuation. The manufacturer part number is 68978.

Where to buy CHICAGO-LATROBE 68978 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 68978 drill bit to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this item globally.

How to select the right CHICAGO-LATROBE jobber drill bit size?

Select the drill bit size based on the required hole diameter and material. The Letter I size (0.2720 inch) is suitable for precision drilling in steel and alloys. For best results, match the bit to your material's hardness and use appropriate cutting fluid. CHICAGO-LATROBE offers a range of letter sizes for various applications.

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 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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