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CHICAGO-LATROBE 15/64" Left-Hand Cobalt Jobber-Length Drill Bit - Left-Hand Cobalt Jobber-Length Drill Bits
CHICAGO-LATROBELeft-Hand Cobalt Jobber-Length Drill Bits

CHICAGO-LATROBE 15/64" Left-Hand Cobalt Jobber-Length Drill Bit

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
15/64" Left-Hand Cobalt Jobber-Length Drill Bit
Part Number
46515
Category
Left-Hand Cobalt Jobber-Length Drill Bits
Available to Order
Also known as:46515CHICAGO-LATROBE
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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.
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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. The 29/64" diameter bit is designed for drilling applications requiring reverse rotation, such as removing broken fasteners or drilling in hardened steels. The split point reduces thrust and eliminates the need for center punching
CHICAGO-LATROBE
Left-hand cobalt jobber-length drill bit with a 135° split point and straw/bronze finish. The 29/64" diameter bit is designed for drilling applications requiring reverse rotation, such as removing broken fasteners or drilling in hardened steels. The split point reduces thrust and eliminates the need for center punching
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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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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