CHICAGO-LATROBE Countersink: 90°, 1 Flute, 1 in Body Dia
The CHICAGO-LATROBE Countersink is a 90°, single-flute, fast-cutting countersink made from black oxide high speed steel with a 1 in body diameter (MPN 56778). 3G Electric interprets your demand for this genuine…
SKU 3G-OTH-185327
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Product Description
The CHICAGO-LATROBE Countersink is a 90°, single-flute, fast-cutting countersink made from black oxide high speed steel with a 1 in body diameter (MPN 56778). 3G Electric interprets your demand for this genuine industrial tool and delivers it with accountability, backed by specialist sourcing across 14 industrial departments.
Frequently Asked Questions
What is the CHICAGO-LATROBE Countersink 56778 used for?
The CHICAGO-LATROBE 56778 is a 90° single-flute countersink used to create chamfered holes for flush-mounting flathead screws in metalworking and fabrication. Its black oxide high-speed steel construction suits general-purpose deburring and countersinking on ferrous and non-ferrous materials.
What are the specifications of the CHICAGO-LATROBE Countersink 56778?
The CHICAGO-LATROBE 56778 is a 90° countersink with a 1 in body diameter, one flute, and black oxide high-speed steel construction. It is designed for fast cutting and clean chamfers in industrial drilling applications. The manufacturer part number is 56778.
Where to buy CHICAGO-LATROBE Countersink 56778 worldwide?
3G Electric supplies the CHICAGO-LATROBE 56778 countersink worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this tool to any country.
How to select the right CHICAGO-LATROBE countersink for your application?
Select a CHICAGO-LATROBE countersink based on the required chamfer angle (e.g., 90° for standard flathead screws), body diameter matching the screw head size, and material compatibility. For general metalworking, the black oxide high-speed steel 56778 offers durability and chip evacuation for clean results.
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Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
3G Electric supplies CHICAGO-LATROBE fast-cutting single-flute countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














