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CHICAGO-LATROBELeft-Hand Cobalt Jobber-Length Drill Bit Sets

CHICAGO-LATROBE Cobalt Drill Set: 29 Pc, 1/16" to 1/2" by 64ths, 135° Split Point

<p>The CHICAGO-LATROBE Cobalt Drill Set (29 Pc) is a professional-grade left-hand jobber-length drill bit set, designed for demanding industrial applications. This set includes 29 pieces ranging from 1/16" to 1/2" in…

SKU 3G-OTH-201752

Brand
CHICAGO-LATROBE
Item
Cobalt Drill Set: 29 Pc, 1/16" to 1/2" by 64ths, 135° Split Point
Part Number
46534
Category
Left-Hand Cobalt Jobber-Length Drill Bit Sets
Available to Order
Also known as:46534CHICAGO-LATROBE
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
46534
Type
1/16" to 1/2" by 64ths, LH
Split Point
135°

Technical Documents

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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

<p>The CHICAGO-LATROBE Cobalt Drill Set (29 Pc) is a professional-grade left-hand jobber-length drill bit set, designed for demanding industrial applications. This set includes 29 pieces ranging from 1/16" to 1/2" in 1/64" increments, featuring a 135° split point for accurate starting and reduced walking. The cobalt construction provides heat resistance and durability for tough materials.</p><p>Ideal for maintenance, tool rooms, and production environments, this set is essential for extracting broken fasteners and left-hand drilling tasks. As a Singapore-based supplier, 3G Electric offers this set with SGD quotes on request, GST handled for local buyers, and fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What is the size range and increment of this drill set?

The set includes 29 drill bits ranging from 1/16" to 1/2" in 1/64" increments, covering a wide range of common sizes for precision drilling.

What is the point angle and type of these drills?

These are left-hand jobber-length drills with a 135° split point, which helps reduce walking and improves accuracy, especially on curved surfaces.

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 bit sets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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