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KEO Built-in-Pilot Counterbore, TiN Coated Cobalt, 15/32 in Bore, 0.312 in Pilot - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Built-in-Pilot Counterbore, TiN Coated Cobalt, 15/32 in Bore, 0.312 in Pilot

The KEO Counterbore is a built-in-pilot counterbore designed for 5/16" screws, featuring a 15/32 in bore diameter and a 0.312 in pilot diameter. This standard tool is constructed from TiN coated cobalt, as indicated…

SKU 3G-OTH-202233

Also listed as: 902000126 · 902 000 126

Brand
KEO
Item
Built-in-Pilot Counterbore, TiN Coated Cobalt, 15/32 in Bore, 0.312 in Pilot
Part Number
902-000-126
Category
Built-in-Pilot Counterbores
Available to Order
Also known as:902-000-126KEO
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Local availability & support — Singapore

Local office
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Phone
+65 8878 8355
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Technical Specifications

KEO
Manufacturer Part Number
902-000-126
Type
TiN Coated Cobalt
Bore Dia
15/32 in
Pilot Dia
0.312 in

Technical Documents

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

Product Description

The KEO Counterbore is a built-in-pilot counterbore designed for 5/16" screws, featuring a 15/32 in bore diameter and a 0.312 in pilot diameter. This standard tool is constructed from TiN coated cobalt, as indicated by manufacturer part number 902-000-126. It is a precision cutting tool from KEO for creating recessed holes.

Frequently Asked Questions

What is a KEO counterbore used for?

A KEO counterbore creates a recessed flat-bottom hole for a 5/16" screw head, allowing it to sit flush with the workpiece surface. This TiN coated cobalt tool is used in machining operations across industrial sectors like metal fabrication and equipment assembly.

What are the specifications of the KEO counterbore 902-000-126?

The KEO counterbore model 902-000-126 has a 15/32 in bore diameter, a 0.312 in pilot diameter, and is designed for 5/16" screws. It is a standard built-in-pilot type made from TiN coated cobalt for wear resistance.

Where to buy KEO counterbores worldwide?

3G Electric supplies KEO counterbores like the 902-000-126 to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct precision cutting tool for your application.

How to select the right KEO counterbore for a 5/16" screw?

Select a KEO counterbore with a bore diameter matching the screw head size—15/32 in for a 5/16" screw—and a pilot diameter that fits the existing hole, such as 0.312 in. The TiN coated cobalt option provides extended tool life in harder materials.

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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