CHICAGO-LATROBE Screw Machine Drill Bit: 3/16", 135° Split Point
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. 3G Electric interprets customer…
SKU 3G-OTH-409586
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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. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.
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.
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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.







