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CHICAGO-LATROBE #45 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 #45 Left-Hand HSS Jobber-Length Drill Bit

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

SKU 3G-OTH-235702

Brand
CHICAGO-LATROBE
Item
#45 Left-Hand HSS Jobber-Length Drill Bit
Part Number
44515
Category
Left-Hand High-Speed Steel Jobber-Length Drill Bits
Available to Order
Also known as:44515CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
44515

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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 the CHICAGO-LATROBE #45 jobber length drill bit used for?

This left-hand drill bit is used for drilling holes in metal, particularly for removing broken fasteners or screws. The 118° point and HSS construction suit general-purpose drilling in steel, aluminum, and other alloys. It is common in automotive repair, maintenance, and manufacturing where reverse-rotation extraction is needed.

What are the specifications of the CHICAGO-LATROBE 44515 drill bit?

The CHICAGO-LATROBE 44515 is a #45 wire-gauge jobber-length drill bit with a 0.0820-inch diameter. It features a 118° point angle, is made of high-speed steel (HSS), and has a left-hand spiral. This design is optimized for drilling in reverse rotation to extract broken bolts or screws.

Where to buy CHICAGO-LATROBE drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE drill bits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 44515 left-hand jobber bit. We source and deliver to any country.

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

Select a left-hand drill bit like the CHICAGO-LATROBE #45 when you need to drill into a broken fastener in reverse rotation. Match the bit diameter to the fastener's minor thread diameter. Use cutting oil and low speed to prevent work-hardening. The 118° point provides good centering without walking.

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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