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KEO 902-000-039 Oversized Built-in-Pilot Counterbore - Oversized Built-in-Pilot Counterbores
KEOOversized Built-in-Pilot Counterbores

KEO 902-000-039 Oversized Built-in-Pilot Counterbore

The KEO Counterbore is an oversized built-in-pilot counterbore designed for 1" screws. It features a 1 19/32 in bore diameter and a 1.032 in pilot diameter, and is constructed from cobalt. This product is identified…

SKU 3G-OTH-184305

Also listed as: 902000039 · 902 000 039

Brand
KEO
Item
902-000-039 Oversized Built-in-Pilot Counterbore
Part Number
902-000-039
Category
Oversized Built-in-Pilot Counterbores
Available to Order
Also known as:902-000-039KEO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

KEO
Manufacturer Part Number
902-000-039
Type
Cobalt
Bore Dia
1 19/32 in
Pilot Dia
1.032 in

Technical Documents

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

Product Description

The KEO Counterbore is an oversized built-in-pilot counterbore designed for 1" screws. It features a 1 19/32 in bore diameter and a 1.032 in pilot diameter, and is constructed from cobalt. This product is identified by manufacturer part number 902-000-039.

Frequently Asked Questions

What is the KEO Counterbore used for?

The KEO Counterbore is used to create a flat-bottomed recess for a 1" screw head, allowing it to sit flush with or below the workpiece surface. It is commonly applied in metalworking and machining operations where precise fastener seating is required.

What are the specifications of the KEO Counterbore 902-000-039?

This KEO Counterbore has a 1 19/32 in bore diameter, a 1.032 in pilot diameter, and is oversized by 1/64" for 1" screws. It is made from cobalt and is identified by MPN 902-000-039. The counterbore type is oversized built-in-pilot.

Where to buy the KEO Counterbore worldwide?

3G Electric supplies the KEO Counterbore 902-000-039 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us to source this cobalt oversized counterbore for your machining needs.

How to select the correct KEO Counterbore for a 1" screw?

Select a counterbore with a pilot diameter matching the screw's clearance hole and a bore diameter matching the screw head. For a 1" screw, the KEO oversized counterbore (1 19/32 in bore, 1.032 in pilot) provides the correct recess. Always verify dimensions against your fastener.

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 oversized 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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This oversized built-in-pilot counterbore is made from cobalt and features a 1 13/64 in bore diameter with a 0.781 in pilot diameter. The 1/32" oversized design provides clearance for fasteners in metalworking applications, creating a flat-bottomed recess for screw heads to ensure proper seating and flush assembly
KEO
This oversized built-in-pilot counterbore is made from cobalt and features a 1 13/64 in bore diameter with a 0.781 in pilot diameter. The 1/32" oversized design provides clearance for fasteners in metalworking applications, creating a flat-bottomed recess for screw heads to ensure proper seating and flush assembly

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