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CHICAGO-LATROBE Jobber Length Drill Bit: 5/16", 135° Split Point, TiCN-Coated HSS - 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 Jobber Length Drill Bit: 5/16", 135° Split Point, TiCN-Coated HSS

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
Jobber Length Drill Bit: 5/16", 135° Split Point, TiCN-Coated HSS
Category
High-Speed Steel Jobber-Length Drill Bits for Deep Hole-Drilling
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
42020
Type
TiCN-Coated HSS, Fast Spiral
Split Point
135°

Technical Documents

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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 assembly — Chicago-Latrobe NAS 907 Type B aircraft-extension drill bits for drilling fastener holes in aluminum and titanium skins.
Metal fabrication — Chicago-Latrobe reduced-shank drill bit sets for enlarging holes in structural steel using magnetic drill presses.
Maintenance repair — Chicago-Latrobe left-hand cobalt jobber-length drill bits for removing broken bolts in machinery.
Tool and die making — Chicago-Latrobe jobber-length drill bit sets with 135° split point for precision hole drilling in hardened steels.
Automotive repair — Chicago-Latrobe spiral-flute screw extractors for removing seized fasteners in engine blocks or exhaust systems.
General manufacturing — Chicago-Latrobe HSS jobber-length drill bits for production drilling in mild steel and cast iron.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This 23/64" jobber-length drill bit is made from TiCN-coated high-speed steel with a fast spiral flute design and a 135° split point. The coating and geometry enhance chip evacuation and reduce thrust requirements, making it suitable for deep hole-drilling in ferrous and abrasive materials. Commonly used in maintenance, fabrication, and production environments
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This 23/64" jobber-length drill bit is made from TiCN-coated high-speed steel with a fast spiral flute design and a 135° split point. The coating and geometry enhance chip evacuation and reduce thrust requirements, making it suitable for deep hole-drilling in ferrous and abrasive materials. Commonly used in maintenance, fabrication, and production environments
CHICAGO-LATROBE Jobber Length Drill Bit: 3/8", 135° Split Point, TiCN-Coated HSS, Fast Spiral (MPN 42024)
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CHICAGO-LATROBE Jobber Length Drill Bit: 3/8", 135° Split Point, TiCN-Coated HSS, Fast Spiral (MPN 42024)
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CHICAGO-LATROBE Jobber Length Drill Bit: 13/32", 135° Split Point, TiCN-Coated HSS, Fast Spiral (MPN 42026)
CHICAGO-LATROBE Jobber Length Drill Bit: 11/32", 135° Split Point, TiCN-Coated HSS, Fast Spiral (MPN 42022)
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CHICAGO-LATROBE Jobber Length Drill Bit: 11/32", 135° Split Point, TiCN-Coated HSS, Fast Spiral (MPN 42022)
CHICAGO-LATROBE Jobber Length Drill Bit: 21/64", 135° Split Point, TiCN-Coated HSS, Fast Spiral (MPN 42021)
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CHICAGO-LATROBE Jobber Length Drill Bit: 21/64", 135° Split Point, TiCN-Coated HSS, Fast Spiral (MPN 42021)
CHICAGO-LATROBE Jobber Length Drill Bit: 25/64", 135° Split Point, TiCN-Coated HSS, Fast Spiral (MPN 42025)
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CHICAGO-LATROBE Jobber Length Drill Bit: 25/64", 135° Split Point, TiCN-Coated HSS, Fast Spiral (MPN 42025)

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This high-speed steel jobber-length drill bit features a wide land parabolic flute and 135° split point for deep hole-drilling applications. The 11/64" diameter bit reduces walking and efficiently clears chips in metal, wood, and plastic
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