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CHICAGO-LATROBE Extra Long Drill Bit: 13/64", 10" Overall Lg, 118° Notched Point - High-Speed Steel Extended-Length Drill Bits
CHICAGO-LATROBEHigh-Speed Steel Extended-Length Drill Bits

CHICAGO-LATROBE Extra Long Drill Bit: 13/64", 10" Overall Lg, 118° Notched Point

The CHICAGO-LATROBE Extra Long Drill Bit (13/64", MPN 50725) is a high-speed steel extended-length drill bit with a black oxide finish, 10" overall length, and a 118° notched point. It is designed for deep-hole…

SKU 3G-OTH-207427

Brand
CHICAGO-LATROBE
Item
Extra Long Drill Bit: 13/64", 10" Overall Lg, 118° Notched Point
Category
High-Speed Steel Extended-Length Drill Bits
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
50725
Type
Black Oxide HSS
Overall Lg
10"
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 (13/64", MPN 50725) is a high-speed steel extended-length drill bit with a black oxide finish, 10" overall length, and a 118° notched point. It is designed for deep-hole drilling applications requiring extended reach.

Frequently Asked Questions

What is the CHICAGO-LATROBE Extra Long Drill Bit used for?

This drill bit is designed for drilling deep holes in metal, wood, and plastic where standard-length bits cannot reach. Its 10" overall length and 118° notched point provide precise entry and reduced walking, making it suitable for maintenance, fabrication, and production environments.

What are the specifications of the CHICAGO-LATROBE Extra Long Drill Bit?

The CHICAGO-LATROBE Extra Long Drill Bit (MPN 50725) has a 13/64" diameter (0.2031"), 10" overall length, and a 118° notched point. It is made from black oxide high-speed steel (HSS) for heat resistance and reduced friction during extended drilling operations.

Where to buy CHICAGO-LATROBE Extra Long Drill Bits worldwide?

3G Electric supplies CHICAGO-LATROBE Extra Long Drill Bits worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this item.

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

Choose a bit with overall length exceeding your hole depth, a 118° point for general-purpose drilling, and black oxide coating for chip evacuation. Match diameter to your fastener or clearance requirement. CHICAGO-LATROBE offers HSS construction for durability in ferrous and non-ferrous materials.

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.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Extra Long Drill Bit: 31/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50752)
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CHICAGO-LATROBE Extra Long Drill Bit: 31/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50752)
CHICAGO-LATROBE Extra Long Drill Bit: 27/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50749)
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CHICAGO-LATROBE Extra Long Drill Bit: 27/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50749)
CHICAGO-LATROBE Extra Long Drill Bit: 25/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50745)
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CHICAGO-LATROBE Extra Long Drill Bit: 25/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50745)
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CHICAGO-LATROBE Extra Long Drill Bit: 11/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50719)
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CHICAGO-LATROBE Extra Long Drill Bit: 9/64", 10" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50465)
CHICAGO-LATROBE Extra Long Drill Bit: 23/64", 10" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50522)
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CHICAGO-LATROBE Extra Long Drill Bit: 23/64", 10" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50522)

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