Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

CHICAGO-LATROBE Extra Long Drill Bit: 29/64", 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: 29/64", 10" Overall Lg, 118° Notched Point

3G Electric supplies the CHICAGO-LATROBE Extra Long Drill Bit (29/64", MPN 50557), a high-speed steel extended-length drill bit with a black oxide finish, 10" overall length, and a 118° notched point. This tool is…

SKU 3G-OTH-207418

Brand
CHICAGO-LATROBE
Item
Extra Long Drill Bit: 29/64", 10" Overall Lg, 118° Notched Point
Category
High-Speed Steel Extended-Length Drill Bits
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
50557
Type
Black Oxide HSS
Overall Lg
10"
Notched Point
118°

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

3G Electric supplies the CHICAGO-LATROBE Extra Long Drill Bit (29/64", MPN 50557), a high-speed steel extended-length drill bit with a black oxide finish, 10" overall length, and a 118° notched point. This tool is sourced across 14 industrial departments, with specialist depth in combustion, pumps, and controls ensuring accurate fulfillment for demanding applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE Extra Long Drill Bit 50557 used for?

This CHICAGO-LATROBE extra long drill bit is designed for deep-hole drilling in metal, wood, and plastic. Its 10-inch overall length and 118° notched point allow precise entry and chip evacuation in hard-to-reach areas, common in maintenance, fabrication, and tool-and-die work.

What are the specifications of the CHICAGO-LATROBE 50557 drill bit?

The CHICAGO-LATROBE 50557 is a 29/64-inch diameter extra long drill bit with a 10-inch overall length. It features a 118° notched point and black oxide finish on high-speed steel (HSS). The bit diameter is 0.4531 inches, suitable for general-purpose drilling in ferrous and non-ferrous materials.

Where to buy CHICAGO-LATROBE 50557 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 50557 extra long drill bits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this HSS bit to any country.

How to select the right CHICAGO-LATROBE extra long drill bit?

Select based on hole depth and material. The 50557's 10-inch length suits deep bores; its 118° notched point reduces walking on curved surfaces. For harder steels, consider cobalt or carbide grades. CHICAGO-LATROBE offers various coatings; black oxide provides lubricity and corrosion resistance for general use.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Extra Long Drill Bit: 33/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50581)
CHICAGO-LATROBE
CHICAGO-LATROBE Extra Long Drill Bit: 33/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50581)
CHICAGO-LATROBE Extra Long Drill Bit: 33/64", 10" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50580)
CHICAGO-LATROBE
CHICAGO-LATROBE Extra Long Drill Bit: 33/64", 10" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50580)
CHICAGO-LATROBE Extra Long Drill Bit: 23/64", 10" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50522)
CHICAGO-LATROBE
CHICAGO-LATROBE Extra Long Drill Bit: 23/64", 10" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50522)
CHICAGO-LATROBE Extra Long Drill Bit: 25/64", 10" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50536)
CHICAGO-LATROBE
CHICAGO-LATROBE Extra Long Drill Bit: 25/64", 10" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50536)
CHICAGO-LATROBE Extra Long Drill Bit: 9/64", 10" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50465)
CHICAGO-LATROBE
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", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50523)
CHICAGO-LATROBE
CHICAGO-LATROBE Extra Long Drill Bit: 23/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50523)

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
CHICAGO-LATROBE Extra Long Drill Bit: 39/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50613)
CHICAGO-LATROBE
CHICAGO-LATROBE Extra Long Drill Bit: 39/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50613)
CHICAGO-LATROBE Extra Long Drill Bit: 15/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50732)
CHICAGO-LATROBE
CHICAGO-LATROBE Extra Long Drill Bit: 15/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50732)
CHICAGO-LATROBE Extra Long Drill Bit: 13/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50726)
CHICAGO-LATROBE
CHICAGO-LATROBE Extra Long Drill Bit: 13/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50726)
CHICAGO-LATROBE Extra Long Drill Bit: 19/64", 10" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50500)
CHICAGO-LATROBE
CHICAGO-LATROBE Extra Long Drill Bit: 19/64", 10" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50500)
CHICAGO-LATROBE Extra Long Drill Bit: 9/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50466)
CHICAGO-LATROBE
CHICAGO-LATROBE Extra Long Drill Bit: 9/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50466)
CHICAGO-LATROBE Extra Long Drill Bit: 27/64", 10" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50546)
CHICAGO-LATROBE
CHICAGO-LATROBE Extra Long Drill Bit: 27/64", 10" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50546)
CHICAGO-LATROBE Extra Long Drill Bit: 31/64", 10" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50568)
CHICAGO-LATROBE
CHICAGO-LATROBE Extra Long Drill Bit: 31/64", 10" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50568)
CHICAGO-LATROBE Extra Long Drill Bit: 47/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50654)
CHICAGO-LATROBE
CHICAGO-LATROBE Extra Long Drill Bit: 47/64", 12" Overall Lg, 118° Notched Point, Black Oxide HSS (MPN 50654)