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CHICAGO-LATROBE Jobber Length Drill Bit: 15/64", 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: 15/64", 135° Split Point, Straw/Bronze Cobalt

The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 46515) is a 15/64" left-hand cobalt jobber-length drill bit with a 135° split point and straw/bronze cobalt finish. It is designed for industrial drilling applications…

SKU 3G-OTH-251069

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 15/64", 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
46515
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 46515) is a 15/64" left-hand cobalt jobber-length drill bit with a 135° split point and straw/bronze cobalt finish. It is designed for industrial drilling applications requiring left-hand rotation.

Frequently Asked Questions

What is a CHICAGO-LATROBE 46515 left-hand drill bit used for?

The CHICAGO-LATROBE 46515 is a 15/64" left-hand cobalt jobber-length drill bit designed for drilling in reverse rotation, commonly used to extract broken fasteners or for applications where spindle direction is fixed. Its 135° split point reduces walking and improves cutting efficiency in harder materials.

What are the specifications of the CHICAGO-LATROBE 46515 drill bit?

The CHICAGO-LATROBE 46515 is a 15/64" (0.2344") left-hand cobalt jobber-length drill bit with a straw/bronze finish and a 135° split point. It is designed for drilling in reverse rotation, ideal for removing broken bolts or screws in metalworking applications.

Where to buy CHICAGO-LATROBE 46515 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 46515 left-hand cobalt drill bit to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this and other industrial cutting tools across 14 departments.

How to select the correct left-hand drill bit for bolt extraction?

To select a left-hand drill bit like the CHICAGO-LATROBE 46515, match the bit diameter to the broken fastener's minor thread diameter. Use cobalt or HSS for harder materials. A 135° split point helps prevent walking. Always lubricate and run the drill in reverse at moderate speed for best results.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: 9/64", 135° Split Point, Straw/Bronze Cobalt, Left Hand (MPN 46509)
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CHICAGO-LATROBE Jobber Length Drill Bit: 9/64", 135° Split Point, Straw/Bronze Cobalt, Left Hand (MPN 46509)
CHICAGO-LATROBE Jobber Length Drill Bit: 7/64", 135° Split Point, Straw/Bronze Cobalt, Left Hand (MPN 46507)
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CHICAGO-LATROBE Jobber Length Drill Bit: 7/64", 135° Split Point, Straw/Bronze Cobalt, Left Hand (MPN 46507)
CHICAGO-LATROBE Jobber Length Drill Bit: 13/64", 135° Split Point, Straw/Bronze Cobalt, Left Hand (MPN 46513)
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CHICAGO-LATROBE Jobber Length Drill Bit: 13/64", 135° Split Point, Straw/Bronze Cobalt, Left Hand (MPN 46513)
CHICAGO-LATROBE Jobber Length Drill Bit: 5/32", 135° Split Point, Straw/Bronze Cobalt, Left Hand (MPN 46510)
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CHICAGO-LATROBE Jobber Length Drill Bit: 5/32", 135° Split Point, Straw/Bronze Cobalt, Left Hand (MPN 46510)
CHICAGO-LATROBE Jobber Length Drill Bit: 3/16", 135° Split Point, Straw/Bronze Cobalt, Left Hand (MPN 46512)
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CHICAGO-LATROBE Jobber Length Drill Bit: 3/16", 135° Split Point, Straw/Bronze Cobalt, Left Hand (MPN 46512)
CHICAGO-LATROBE Jobber Length Drill Bit: 11/64", 135° Split Point, Straw/Bronze Cobalt, Left Hand (MPN 46511)
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CHICAGO-LATROBE Jobber Length Drill Bit: 11/64", 135° Split Point, Straw/Bronze Cobalt, Left Hand (MPN 46511)

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