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CHICAGO-LATROBE 5/16" TiCN-Coated HSS Jobber-Length Drill Bit - High-Speed Steel Jobber-Length Drill Bits for Deep Hole-Drilling
CHICAGO-LATROBEHigh-Speed Steel Jobber-Length Drill Bits for Deep Hole-Drilling

CHICAGO-LATROBE 5/16" TiCN-Coated HSS Jobber-Length Drill Bit

The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 42020) is a 5/16" TiCN-coated high-speed steel drill bit with a 135° split point and fast spiral, designed for deep hole-drilling. 3G Electric interprets customer…

SKU 3G-OTH-193995

Brand
CHICAGO-LATROBE
Item
5/16" TiCN-Coated HSS Jobber-Length Drill Bit
Part Number
42020
Category
High-Speed Steel Jobber-Length Drill Bits for Deep Hole-Drilling
Available to Order
Also known as:42020CHICAGO-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
42020
Type
TiCN-Coated HSS, Fast Spiral
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 (MPN 42020) is a 5/16" TiCN-coated high-speed steel drill bit with a 135° split point and fast spiral, designed for deep hole-drilling. 3G Electric interprets customer demand and delivers this genuine industrial tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor, not a limit.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 42020 used for?

This TiCN-coated HSS drill bit with a 135° split point is designed for deep hole-drilling in metal, wood, and plastic. The fast spiral aids chip evacuation, making it suitable for production machining and maintenance applications across industrial sectors.

What are the specifications of the CHICAGO-LATROBE 42020 drill bit?

The CHICAGO-LATROBE 42020 is a 5/16" (0.3125 inch) jobber length drill bit with a 135° split point, TiCN-coated high-speed steel, and fast spiral flute design. It is optimized for deep hole-drilling in ferrous and non-ferrous materials.

Where to buy CHICAGO-LATROBE 42020 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 42020 drill bits worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other cutting tools.

How to select the right jobber length drill bit for deep hole-drilling?

For deep hole-drilling, choose a bit with a split point (like 135°) to reduce walking, and a coating such as TiCN for heat resistance. Fast spiral flutes improve chip removal. Match the diameter and length to your material and hole depth requirements.

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 jobber-length drill bits for deep hole-drilling. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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