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CHICAGO-LATROBE 19/64" 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 19/64" TiN-Coated Cobalt Screw-Machine Length Drill Bit

The CHICAGO-LATROBE Screw Machine Drill Bit (MPN 51816) is a general purpose cobalt screw-machine length drill bit in 19/64" size. It features a TiN-coated cobalt construction with a 135° split point and a 0.2969"…

SKU 3G-OTH-409620

Brand
CHICAGO-LATROBE
Item
19/64" TiN-Coated Cobalt Screw-Machine Length Drill Bit
Part Number
51816
Category
General Purpose Cobalt Screw-Machine Length Drill Bits
Available to Order
Also known as:51816CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
51816
Type
TiN-Coated Cobalt
Split Point
135°

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

Product Description

The CHICAGO-LATROBE Screw Machine Drill Bit (MPN 51816) is a general purpose cobalt screw-machine length drill bit in 19/64" size. It features a TiN-coated cobalt construction with a 135° split point and a 0.2969" diameter. 3G Electric interprets your demand for this OEM bit and delivers it with specialist sourcing support across 14 industrial departments.

Frequently Asked Questions

What is the CHICAGO-LATROBE 51816 screw machine drill bit used for?

This 19/64" TiN-coated cobalt drill bit is designed for general-purpose drilling in tough materials like stainless steel and alloy steels. Its 135° split point reduces walking and improves penetration, making it ideal for precision screw-machine and CNC applications.

What are the specifications of the CHICAGO-LATROBE 51816 drill bit?

The CHICAGO-LATROBE 51816 is a 19/64" screw-machine length drill bit with a 135° split point, TiN-coated cobalt construction, and a 0.2969" diameter. It is designed for high-speed drilling in hard metals and is commonly used in automated machining centers.

Where to buy CHICAGO-LATROBE 51816 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 51816 drill bit to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this TiN-coated cobalt screw-machine drill bit.

How to select the right screw machine drill bit for my application?

Select a screw machine drill bit based on material hardness, hole depth, and machine speed. For tough alloys, choose a TiN-coated cobalt bit like the CHICAGO-LATROBE 51816 with a 135° split point to reduce thrust and improve chip evacuation. Always match diameter and length to your workpiece.

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.
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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.

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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

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