KEO Counterbore: For 1/2" Screw, 1/64" Oversized, 49/64 in Bore Dia, 0.515 in Pilot Dia
The KEO Counterbore is an oversized built-in-pilot counterbore designed for 1/2" screws. It features a 1/64" oversized bore diameter of 49/64 inches and a pilot diameter of 0.515 inches, constructed from cobalt. This…
SKU 3G-OTH-184287
Also listed as: 902000029 · 902 000 029
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The KEO Counterbore is an oversized built-in-pilot counterbore designed for 1/2" screws. It features a 1/64" oversized bore diameter of 49/64 inches and a pilot diameter of 0.515 inches, constructed from cobalt. This product is identified by manufacturer part number 902-000-029.
Frequently Asked Questions
What is the KEO oversized counterbore used for?
The KEO oversized counterbore is used to create a flat-bottomed recess for 1/2" screw heads in metalworking applications. Its built-in pilot aligns with an existing hole, and the 1/64" oversized bore provides clearance for screw head seating. 3G Electric supplies this cobalt tool for machining, aerospace, and industrial maintenance.
What are the specifications of the KEO counterbore 902-000-029?
This KEO counterbore has a 49/64 in bore diameter, 0.515 in pilot diameter, and is 1/64" oversized for 1/2" screws. It is made from cobalt and is identified by MPN 902-000-029. The oversized built-in-pilot design ensures precise alignment and clean counterboring in steel and alloys.
Where to buy KEO counterbore tools worldwide?
3G Electric supplies the KEO counterbore 902-000-029 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine KEO cutting tools and support procurement teams with technical guidance on tool selection and application.
How to select the correct KEO counterbore for a screw size?
Select a KEO counterbore where the pilot diameter matches your pre-drilled hole and the bore diameter matches the screw head plus clearance. For a 1/2" screw, this 49/64 in bore with 0.515 in pilot is designed for a 1/64" oversize fit. Always verify the screw head diameter and material hardness before ordering.
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Common applications for KEOKEO 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.
