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KEO Countersink: 100°, 6 Flute, 3 in Body Dia, 1 in Shank - Smooth-Finish Six-Flute Countersinks
KEOSmooth-Finish Six-Flute Countersinks

KEO Countersink: 100°, 6 Flute, 3 in Body Dia, 1 in Shank

The KEO Countersink: 100° is a smooth-finish six-flute countersink with a 3 in body diameter and 1 in shank, made from TiN coated high speed steel (MPN 55077-TiN). This tool is designed for precise countersinking…

SKU 3G-OTH-188038

Also listed as: 55077TiN · 55077 TiN

Brand
KEO
Item
Countersink: 100°, 6 Flute, 3 in Body Dia, 1 in Shank
Category
Smooth-Finish Six-Flute Countersinks
Available to Order
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

KEO
Manufacturer Part Number
55077-TiN
Type
TiN Coated High Speed Steel
Flute
6
Shank
1 in
Body Dia
3 in

Technical Documents

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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KEO Countersink: 100° is a smooth-finish six-flute countersink with a 3 in body diameter and 1 in shank, made from TiN coated high speed steel (MPN 55077-TiN). This tool is designed for precise countersinking operations, offering a 100° included angle for consistent results.

Frequently Asked Questions

What is a KEO 6-flute countersink used for?

A KEO 6-flute countersink creates smooth, chatter-free 100° countersunk holes in metal. It is used in machining and fabrication to prepare holes for flat-head screws or rivets, ensuring a flush finish. The TiN coating extends tool life on steel and stainless steel.

What are the specifications of the KEO 55077-TiN countersink?

The KEO 55077-TiN is a 100° countersink with 6 flutes, a 3 in body diameter, and a 1 in shank. It is made of TiN coated high speed steel. This design reduces vibration and delivers a smooth finish in production drilling applications.

Where to buy KEO countersinks worldwide?

3G Electric supplies KEO countersinks like the 55077-TiN to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 100°, 6-flute, TiN coated high speed steel tool.

How to select the right KEO countersink for your application?

Select a KEO countersink based on hole angle (100° for standard flat-head screws), material (TiN coated HSS for steel), and size (body diameter must exceed the hole diameter). For deep or production runs, a 6-flute design reduces chatter and improves finish.

Used in

Common applications for KEO
Metalworking — KEO plain-tip center drills for creating accurate starting points in lathe operations
Automotive manufacturing — KEO bell-tip center drills for countersinking holes in engine components
Aerospace machining — KEO radius-tip center drills for reducing stress risers in critical parts
General machining — KEO keyseat cutters for milling keyways in shafts and gears
Tool and die making — KEO TiN-coated center drills for extended tool life in hardened steels
Precision engineering — KEO cobalt center drills for high-temperature alloy applications

KEO Products

3G Electric supplies KEO smooth-finish six-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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