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CHICAGO-LATROBE #12 Left-Hand HSS Jobber-Length Drill Bit - Left-Hand High-Speed Steel Jobber-Length Drill Bits
CHICAGO-LATROBELeft-Hand High-Speed Steel Jobber-Length Drill Bits

CHICAGO-LATROBE #12 Left-Hand HSS Jobber-Length Drill Bit

CHICAGO-LATROBE Left-Hand High-Speed Steel Jobber-Length Drill Bits.

SKU 3G-OTH-235698

Brand
CHICAGO-LATROBE
Item
#12 Left-Hand HSS Jobber-Length Drill Bit
Part Number
44482
Category
Left-Hand High-Speed Steel Jobber-Length Drill Bits
Available to Order
Also known as:44482CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
44482

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

Product Description

CHICAGO-LATROBE Left-Hand High-Speed Steel Jobber-Length Drill Bits.

Frequently Asked Questions

What is a Chicago-Latrobe #12 left-hand jobber drill bit used for?

This Chicago-Latrobe #12 left-hand drill bit is designed for drilling holes in metal where reverse rotation is needed, such as extracting broken fasteners or drilling in applications that prevent bit walking. It is commonly used in maintenance, repair, and production machining across industrial sectors.

What are the specifications of the Chicago-Latrobe 44482 drill bit?

The Chicago-Latrobe 44482 is a #12 jobber length drill bit with a 0.1890-inch diameter, 118° point angle, and high-speed steel construction. It features a left-hand spiral for reverse-rotation drilling. This bit is suitable for general-purpose metal drilling in manual or CNC machines.

Where to buy Chicago-Latrobe left-hand drill bits worldwide?

3G Electric supplies Chicago-Latrobe left-hand drill bits like the 44482 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote on this or any industrial tooling need across our 14 departments.

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

To remove a broken bolt, select a left-hand drill bit slightly smaller than the bolt's minor diameter. Use a center punch to start the hole, then drill slowly with cutting oil. The left-hand rotation often catches and backs out the fastener. Chicago-Latrobe HSS bits provide reliable performance for this task.

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 high-speed steel 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 high-speed steel jobber-length drill bit with a 118° point angle and #6 wire gauge size (0.2040 in diameter). Designed for reverse rotation drilling, commonly used to remove broken bolts or screws in metal. Suitable for general-purpose drilling in steel, aluminum, and other alloys
CHICAGO-LATROBE
Left-hand high-speed steel jobber-length drill bit with a 118° point angle and #6 wire gauge size (0.2040 in diameter). Designed for reverse rotation drilling, commonly used to remove broken bolts or screws in metal. Suitable for general-purpose drilling in steel, aluminum, and other alloys

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