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KEO #4 1/2 Left-Hand Plain-Tip Center Drill - Left-Hand Plain-Tip Center Drills
KEOLeft-Hand Plain-Tip Center Drills

KEO #4 1/2 Left-Hand Plain-Tip Center Drill

The KEO Center Drill: Plain Type is a left-hand plain-tip center drill, double-ended, made from high-speed steel. It features a #4 1/2 size, 60° angle, and 2 1/2 in overall length, with manufacturer part number…

SKU 3G-OTH-184386

Also listed as: 906000315 · 906 000 315

Brand
KEO
Item
#4 1/2 Left-Hand Plain-Tip Center Drill
Part Number
906-000-315
Category
Left-Hand Plain-Tip Center Drills
Available to Order
Also known as:906-000-315KEO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

KEO
Manufacturer Part Number
906-000-315
Type
#4 1/2, 60°, LH, High Speed Steel
Overall Lg
2 1/2 in
End Type
Double End

Technical Documents

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

Product Description

The KEO Center Drill: Plain Type is a left-hand plain-tip center drill, double-ended, made from high-speed steel. It features a #4 1/2 size, 60° angle, and 2 1/2 in overall length, with manufacturer part number 906-000-315.

Frequently Asked Questions

What is a KEO left-hand plain-tip center drill used for?

A KEO left-hand plain-tip center drill creates precise 60° center holes in workpieces for lathe operations. The left-hand spiral clears chips effectively when machining in reverse. It is commonly used in toolrooms and production machining for shaft alignment and support.

What are the specifications of the KEO Center Drill #4 1/2?

The KEO Center Drill #4 1/2 is a double-ended, left-hand plain-tip tool made from high-speed steel. It has a 60° included angle, 2 1/2 in overall length, and manufacturer part number 906-000-315. The #4 1/2 size indicates the body diameter and drill point dimensions.

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 cutting tools like the #4 1/2 left-hand plain-tip center drill. Contact us for pricing and delivery to your location.

How to select the correct center drill size for a lathe?

Select a center drill size based on the workpiece diameter and the required center hole dimensions. The #4 1/2 size suits medium-duty work. Ensure the 60° angle matches the lathe center. For left-hand rotation applications, choose a left-hand spiral tool like this KEO plain-tip drill.

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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