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CHICAGO-LATROBE Countersink: 90°, 3 Flute, 1/4 in Body Dia - General Purpose Three-Flute Countersinks
CHICAGO-LATROBEGeneral Purpose Three-Flute Countersinks

CHICAGO-LATROBE Countersink: 90°, 3 Flute, 1/4 in Body Dia

SKU 3G-OTH-184987

Brand
CHICAGO-LATROBE
Item
Countersink: 90°, 3 Flute, 1/4 in Body Dia
Category
General Purpose Three-Flute Countersinks
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
56856
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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the CHICAGO-LATROBE 56856 countersink used for?

The CHICAGO-LATROBE 56856 is a 90° three-flute countersink used to create a conical recess for flat-head screws in metal, wood, or plastic. It deburrs drilled holes and prepares surfaces for flush fasteners in general manufacturing, maintenance, and fabrication applications.

What are the specifications of the CHICAGO-LATROBE 56856 countersink?

The CHICAGO-LATROBE 56856 is a 90° general-purpose three-flute countersink with a 1/4 in body diameter and a 3/16 in shank. It is designed for use in drill presses or handheld drills and is suitable for deburring and countersinking in a variety of materials.

Where to buy the CHICAGO-LATROBE 56856 countersink worldwide?

3G Electric supplies the CHICAGO-LATROBE 56856 countersink to customers worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time for your region.

How to select the correct CHICAGO-LATROBE countersink for my application?

Select a CHICAGO-LATROBE countersink based on the screw head angle (typically 90° for flat-head screws), the body diameter matching the screw head size, and the shank diameter compatible with your tool holder. The 56856 model is a general-purpose three-flute design for standard deburring and countersinking tasks.

Used in

Common applications for CHICAGO-LATROBE
Aerospace assembly — Chicago-Latrobe NAS 907 Type B aircraft-extension drill bits for drilling fastener holes in aluminum and titanium skins.
Metal fabrication — Chicago-Latrobe reduced-shank drill bit sets for enlarging holes in structural steel using magnetic drill presses.
Maintenance repair — Chicago-Latrobe left-hand cobalt jobber-length drill bits for removing broken bolts in machinery.
Tool and die making — Chicago-Latrobe jobber-length drill bit sets with 135° split point for precision hole drilling in hardened steels.
Automotive repair — Chicago-Latrobe spiral-flute screw extractors for removing seized fasteners in engine blocks or exhaust systems.
General manufacturing — Chicago-Latrobe HSS jobber-length drill bits for production drilling in mild steel and cast iron.

CHICAGO-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.

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