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KEO 902-000-177 Built-in-Pilot Counterbore - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO 902-000-177 Built-in-Pilot Counterbore

The KEO Built-in-Pilot Counterbore is a standard-type tool designed for 7/8" screws, featuring a 1 3/8 in bore diameter and a 0.891 in pilot diameter. This TiN coated cobalt counterbore, manufactured by KEO under…

SKU 3G-OTH-202302

Also listed as: 902000177 · 902 000 177

Brand
KEO
Item
902-000-177 Built-in-Pilot Counterbore
Part Number
902-000-177
Category
Built-in-Pilot Counterbores
Available to Order
Also known as:902-000-177KEO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

KEO
Manufacturer Part Number
902-000-177
Type
TiN Coated Cobalt
Bore Dia
1 3/8 in
Pilot Dia
0.891 in

Technical Documents

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

Product Description

The KEO Built-in-Pilot Counterbore is a standard-type tool designed for 7/8" screws, featuring a 1 3/8 in bore diameter and a 0.891 in pilot diameter. This TiN coated cobalt counterbore, manufactured by KEO under part number 902-000-177, is engineered for precision counterboring operations.

Frequently Asked Questions

What is the KEO Counterbore 902-000-177 used for?

The KEO Counterbore 902-000-177 is used to create a flat-bottomed recess for a 7/8" screw head, allowing it to sit flush with or below the workpiece surface. It is commonly applied in metalworking and machining operations where precision counterboring is required, such as in jig and fixture building.

What are the specifications of the KEO Counterbore 902-000-177?

The KEO Counterbore 902-000-177 has a 1 3/8 in bore diameter and a 0.891 in pilot diameter. It is a standard-type, built-in-pilot counterbore made from TiN coated cobalt. The manufacturer part number is 902-000-177, and it is designed for 7/8" screws.

Where to buy the KEO Counterbore 902-000-177 worldwide?

You can source the KEO Counterbore 902-000-177 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this KEO tool.

How to select the correct KEO counterbore for a 7/8" screw?

To select the correct KEO counterbore for a 7/8" screw, match the pilot diameter to the existing hole size and ensure the bore diameter accommodates the screw head. For the 902-000-177, the pilot is 0.891 in and the bore is 1 3/8 in. Always verify the screw head dimensions and material compatibility before ordering.

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 built-in-pilot counterbores. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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