Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
CHICAGO-LATROBE 3/16" TiN-Coated Cobalt Screw-Machine Length Drill Bit - General Purpose Cobalt Screw-Machine Length Drill Bits
CHICAGO-LATROBEGeneral Purpose Cobalt Screw-Machine Length Drill Bits

CHICAGO-LATROBE 3/16" TiN-Coated Cobalt Screw-Machine Length Drill Bit

The CHICAGO-LATROBE Screw Machine Drill Bit (MPN 51809) is a 3/16" general purpose cobalt screw-machine length drill bit with a 135° split point and TiN-coated cobalt construction.

SKU 3G-OTH-409586

Brand
CHICAGO-LATROBE
Item
3/16" TiN-Coated Cobalt Screw-Machine Length Drill Bit
Part Number
51809
Category
General Purpose Cobalt Screw-Machine Length Drill Bits
Available to Order
Also known as:51809CHICAGO-LATROBE
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.
EXW Singapore
Collect or forward from our office
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
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
51809
Type
TiN-Coated Cobalt
Split Point
135°

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

The CHICAGO-LATROBE Screw Machine Drill Bit (MPN 51809) is a 3/16" general purpose cobalt screw-machine length drill bit with a 135° split point and TiN-coated cobalt construction.

Frequently Asked Questions

What is the CHICAGO-LATROBE 51809 screw machine drill bit used for?

The CHICAGO-LATROBE 51809 is a general-purpose cobalt screw-machine length drill bit used for precision drilling in metalworking. Its 135° split point reduces walking, and the TiN coating extends tool life. It is ideal for automated lathes and CNC machines in industrial manufacturing.

What are the specifications of the CHICAGO-LATROBE 51809 drill bit?

The CHICAGO-LATROBE 51809 is a 3/16" (0.1875") diameter screw-machine length drill bit with a 135° split point and TiN-coated cobalt construction. It is designed for general-purpose drilling in ferrous materials. The manufacturer part number is 51809.

Where to buy CHICAGO-LATROBE 51809 drill bits worldwide?

You can source CHICAGO-LATROBE 51809 drill bits through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this item.

How to select the right screw machine drill bit for CNC applications?

For CNC applications, choose a screw machine drill bit like the CHICAGO-LATROBE 51809 with a 135° split point to minimize walking and a TiN coating for heat resistance. Match the diameter (3/16") to your hole size and ensure the shank fits your collet. Cobalt material suits harder steels.

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.
Not sure this is the right part? Photo-identify it→

CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE general purpose cobalt screw-machine 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 →

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts →
General purpose screw-machine length drill bit made of TiN-coated cobalt with a 135° split point. Designed for precision drilling in ferrous metals on automated lathes and CNC machines. The split point reduces walking and the coating extends tool life
CHICAGO-LATROBE
General purpose screw-machine length drill bit made of TiN-coated cobalt with a 135° split point. Designed for precision drilling in ferrous metals on automated lathes and CNC machines. The split point reduces walking and the coating extends tool life

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first