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CHICAGO-LATROBE Jobber Length Drill Bit: 5/16", 135° Split Point, Straw/Bronze Cobalt - Left-Hand Cobalt Jobber-Length Drill Bits
CHICAGO-LATROBELeft-Hand Cobalt Jobber-Length Drill Bits

CHICAGO-LATROBE Jobber Length Drill Bit: 5/16", 135° Split Point, Straw/Bronze Cobalt

The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 46520) is a 5/16" left-hand cobalt jobber-length drill bit with a 135° split point and straw/bronze cobalt finish. 3G Electric interprets demand and delivers this…

SKU 3G-OTH-251060

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 5/16", 135° Split Point, Straw/Bronze Cobalt
Category
Left-Hand Cobalt Jobber-Length Drill Bits
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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
46520
Type
Straw/Bronze Cobalt, Left Hand
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 46520) is a 5/16" left-hand cobalt jobber-length drill bit with a 135° split point and straw/bronze cobalt finish. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 46520 used for?

The CHICAGO-LATROBE 46520 is a left-hand cobalt jobber-length drill bit designed for drilling into hardened steels and abrasive materials. Its 135° split point reduces walking and improves cutting accuracy, making it ideal for maintenance, tool-and-die, and production environments where left-hand rotation is required.

What are the specifications of the CHICAGO-LATROBE 46520 drill bit?

The CHICAGO-LATROBE 46520 is a 5/16" diameter jobber-length drill bit with a 135° split point and straw/bronze cobalt finish. It is a left-hand bit, part number 46520, designed for drilling in reverse rotation applications. The cobalt alloy provides heat resistance and extended tool life in tough materials.

Where to buy CHICAGO-LATROBE 46520 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 46520 left-hand cobalt drill bit to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this item internationally.

How to select the correct left-hand drill bit for reverse rotation applications?

To select a left-hand drill bit like the CHICAGO-LATROBE 46520, match the diameter (5/16") to your fastener or hole size. Use cobalt bits for hardened materials and a 135° split point for self-centering. Ensure your drill or machine supports reverse rotation. For specific applications, consult the manufacturer's recommendations.

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 left-hand cobalt 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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