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CHICAGO-LATROBE 29/64" Left-Hand Cobalt Jobber-Length Drill Bit - Left-Hand Cobalt Jobber-Length Drill Bits
CHICAGO-LATROBELeft-Hand Cobalt Jobber-Length Drill Bits

CHICAGO-LATROBE 29/64" Left-Hand Cobalt Jobber-Length Drill Bit

The CHICAGO-LATROBE Jobber Length Drill Bit (SKU 46529, MPN 46529) is a 29/64" left-hand cobalt jobber-length drill bit with a 135° split point and straw/bronze cobalt finish. It is designed for industrial drilling…

SKU 3G-OTH-251082

Brand
CHICAGO-LATROBE
Item
29/64" Left-Hand Cobalt Jobber-Length Drill Bit
Part Number
46529
Category
Left-Hand Cobalt Jobber-Length Drill Bits
Available to Order
Also known as:46529CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
46529
Type
Straw/Bronze Cobalt, Left Hand
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 (SKU 46529, MPN 46529) is a 29/64" 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, with a diameter of 0.4531 inches.

Frequently Asked Questions

What is a CHICAGO-LATROBE 29/64" left-hand cobalt jobber drill bit used for?

This CHICAGO-LATROBE 29/64" left-hand drill bit is designed for drilling in hardened steels and tough alloys where reverse rotation prevents bit walking. The 135° split point reduces thrust and eliminates the need for a center punch, making it ideal for maintenance and production environments.

What are the specifications of the CHICAGO-LATROBE 46529 drill bit?

The CHICAGO-LATROBE 46529 is a 29/64" (0.4531 in) jobber-length drill bit with a 135° split point, straw/bronze cobalt finish, and left-hand rotation. It is made from cobalt high-speed steel for heat resistance and extended tool life in demanding materials.

Where to buy CHICAGO-LATROBE 46529 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 46529 left-hand cobalt drill bits 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 screw extraction?

For screw extraction, choose a left-hand cobalt drill bit like the CHICAGO-LATROBE 46529. Match the bit diameter to the screw body size, use slow speed with steady pressure, and apply cutting oil. The 135° split point helps start accurately without walking, reducing breakout risk.

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 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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Left-hand cobalt jobber-length drill bit with a 135° split point and straw/bronze finish. Designed for drilling hard metals and used in screw extraction or reverse-spindle machining. 1/2" diameter
CHICAGO-LATROBE
Left-hand cobalt jobber-length drill bit with a 135° split point and straw/bronze finish. Designed for drilling hard metals and used in screw extraction or reverse-spindle machining. 1/2" diameter

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