CHICAGO-LATROBE 3-Flute Countersink, 90°, 3/4 in Body Dia, Black Oxide HSS
The CHICAGO-LATROBE Countersink is a 90° general purpose three-flute countersink made from black oxide high speed steel. It features a 3/4 in body diameter and is identified by manufacturer part number 56864.
SKU 3G-OTH-185101
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Product Description
The CHICAGO-LATROBE Countersink is a 90° general purpose three-flute countersink made from black oxide high speed steel. It features a 3/4 in body diameter and is identified by manufacturer part number 56864.
Frequently Asked Questions
What is a CHICAGO-LATROBE 3-flute countersink used for?
A CHICAGO-LATROBE 3-flute countersink creates a 90° chamfer around a drilled hole to recess screw heads flush with the workpiece surface. It is used in metalworking, machining, and fabrication for deburring and preparing holes for flathead fasteners.
What are the specifications of the CHICAGO-LATROBE countersink 56864?
The CHICAGO-LATROBE countersink model 56864 has a 3/4 in body diameter, 3 flutes, and a 90° angle. It is made from black oxide high-speed steel for wear resistance and reduced friction. This general-purpose tool suits manual or machine use on ferrous and non-ferrous metals.
Where to buy CHICAGO-LATROBE countersink 56864 worldwide?
3G Electric supplies the CHICAGO-LATROBE countersink 56864 to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this cutting tool.
How to select the right countersink for a machining job?
Match the countersink angle to your fastener head angle—90° is standard for flathead screws. Choose flute count: 3-flute designs like this CHICAGO-LATROBE model reduce chatter. Select body diameter larger than the screw head. High-speed steel with black oxide coating suits general-purpose drilling in steel and aluminum.
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Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
3G Electric supplies CHICAGO-LATROBE general purpose three-flute countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.