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KEO Left-Hand Plain-Tip Center Drill - Left-Hand Plain-Tip Center Drills
KEOLeft-Hand Plain-Tip Center Drills

KEO Left-Hand Plain-Tip Center Drill

The KEO Center Drill is a left-hand plain-tip center drill, model #9 with a 60° point angle and 3 5/8 in overall length, made from high-speed steel. This double-end tool (MPN 906-000-186) is designed for precision…

SKU 3G-OTH-184395

Also listed as: 906000186 · 906 000 186

Brand
KEO
Item
Left-Hand Plain-Tip Center Drill
Part Number
906-000-186
Category
Left-Hand Plain-Tip Center Drills
Available to Order
Also known as:906-000-186KEO
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

KEO
Manufacturer Part Number
906-000-186
End Type
Double End

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

Product Description

The KEO Center Drill is a left-hand plain-tip center drill, model #9 with a 60° point angle and 3 5/8 in overall length, made from high-speed steel. This double-end tool (MPN 906-000-186) is designed for precision centering operations in industrial machining.

Frequently Asked Questions

What is a KEO Center Drill used for?

A KEO Center Drill creates precise conical starting holes for lathe centers or subsequent drilling operations. This left-hand plain-tip #9 model with 60° point angle is used in industrial machining to ensure accurate alignment and reduce runout on rotating workpieces.

What are the specifications of the KEO Center Drill #9?

The KEO Center Drill #9 (MPN 906-000-186) is a double-end, left-hand plain-tip tool with a 60° point angle and 3 5/8 in overall length. It is made from high-speed steel for durability in precision centering tasks. The double-end design provides two usable tips per tool.

Where to buy KEO Center Drills worldwide?

3G Electric supplies KEO Center Drills worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide genuine KEO tooling to machining facilities across 14 departments. Contact us for pricing and delivery to your location.

How to select the correct center drill size?

Select a center drill size based on the workpiece diameter and the lathe center's taper. The #9 size suits medium-duty centering. Ensure the point angle (60°) matches your center's angle. For left-hand applications, the KEO left-hand plain-tip design prevents tool pull-out during reverse spindle rotation.

Used in

Common applications for KEO
General machining — KEO single-flute countersinks for deburring and chamfering holes in steel and aluminum.
Automotive repair — KEO 82° countersinks for creating seats for flathead screws in engine and chassis components.
Aerospace manufacturing — KEO TiAlN-coated carbide countersinks for precision chamfering of fastener holes in hard alloys.
MRO operations — KEO left-hand keyseat cutters for milling keyways in shafts during equipment repair.
Metal fabrication — KEO 90° countersinks for chamfering plate and structural steel before welding.
Machine shop — KEO 100° countersinks for deburring cross-drilled holes in hydraulic manifolds.
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KEO Products

3G Electric supplies KEO left-hand plain-tip center drills. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This left-hand plain-tip center drill is used to create precise conical starting holes in workpieces for lathe turning or grinding operations. It is double-ended with a #4/0 size, 60° included angle, and 1 1/4 in overall length. Made from AlTiN coated high speed steel, it provides wear resistance in ferrous materials
KEO
This left-hand plain-tip center drill is used to create precise conical starting holes in workpieces for lathe turning or grinding operations. It is double-ended with a #4/0 size, 60° included angle, and 1 1/4 in overall length. Made from AlTiN coated high speed steel, it provides wear resistance in ferrous materials

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