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CHICAGO-LATROBE 21/64" High-Speed Steel Extended-Length Drill Bit - High-Speed Steel Extended-Length Drill Bits
CHICAGO-LATROBEHigh-Speed Steel Extended-Length Drill Bits

CHICAGO-LATROBE 21/64" High-Speed Steel Extended-Length Drill Bit

The CHICAGO-LATROBE Extra Long Drill Bit (SKU 50741, MPN 50741) is a 21/64" high-speed steel extended-length drill bit with a 12" overall length, 118° notched point, and black oxide finish. It is designed for…

SKU 3G-OTH-207443

Brand
CHICAGO-LATROBE
Item
21/64" High-Speed Steel Extended-Length Drill Bit
Part Number
50741
Category
High-Speed Steel Extended-Length Drill Bits
Available to Order
Also known as:50741CHICAGO-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
50741
Type
Black Oxide HSS
Overall Lg
12"
Notched Point
118°

Technical Documents

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

Product Description

The CHICAGO-LATROBE Extra Long Drill Bit (SKU 50741, MPN 50741) is a 21/64" high-speed steel extended-length drill bit with a 12" overall length, 118° notched point, and black oxide finish. It is designed for deep-hole drilling applications requiring extended reach.

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 the CHICAGO-LATROBE Extra Long Drill Bit 50741 used for?

This extra-long drill bit is designed for deep-hole drilling in metal, wood, and plastic. Its 12" overall length and 118° notched point allow access to recessed areas and reduce walking on curved surfaces. The black oxide HSS construction provides heat resistance and lubricity for extended tool life in industrial maintenance and fabrication applications.

What are the specifications of the CHICAGO-LATROBE 50741 drill bit?

The CHICAGO-LATROBE 50741 is a 21/64" diameter extra-long drill bit with a 12" overall length. It features a 118° notched point and black oxide high-speed steel (HSS) construction. The bit diameter is 0.3281 inches. This is a high-speed steel extended-length drill bit designed for deep-hole drilling.

Where to buy CHICAGO-LATROBE 50741 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 50741 extra-long drill bit to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this part for your deep-hole drilling needs.

How to select the right extra-long drill bit for deep-hole drilling?

Select an extra-long drill bit based on hole depth, material, and required finish. For steel, use a 118° point with black oxide HSS like the CHICAGO-LATROBE 50741. Ensure overall length exceeds hole depth by at least 1 inch. Use peck drilling cycles to clear chips and reduce heat buildup during operation.

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 high-speed steel extended-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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This high-speed steel drill bit features a black oxide finish for heat resistance and chip evacuation. The 12" overall length and 118° notched point enable deep-hole drilling in metal, wood, and plastic, with reduced walking on curved surfaces. Suitable for accessing recessed areas in industrial maintenance and fabrication
CHICAGO-LATROBE
This high-speed steel drill bit features a black oxide finish for heat resistance and chip evacuation. The 12" overall length and 118° notched point enable deep-hole drilling in metal, wood, and plastic, with reduced walking on curved surfaces. Suitable for accessing recessed areas in industrial maintenance and fabrication

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