KEO Counterbore: For 5/16" Screw, 1/32" Oversized, 1/2 in Bore Dia, 0.343 in Pilot Dia
The KEO Counterbore is an oversized built-in-pilot counterbore designed for 5/16" screws. It features a 1/32" oversized dimension, a 1/2" bore diameter, and a 0.343" pilot diameter, constructed from cobalt. This…
SKU 3G-OTH-184270
Also listed as: 902000021 · 902 000 021
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 5/16" screws. It features a 1/32" oversized dimension, a 1/2" bore diameter, and a 0.343" pilot diameter, constructed from cobalt. This product is identified by manufacturer part number 902-000-021.
Frequently Asked Questions
What is a KEO oversized counterbore used for?
A KEO oversized counterbore creates a flat-bottomed recess for a 5/16" screw head, allowing it to sit flush or below the workpiece surface. The 1/32" oversized design provides clearance for assembly. It is commonly used in machining and metalworking applications where precise fastener seating is required.
What are the specifications of the KEO 902-000-021 counterbore?
The KEO 902-000-021 is an oversized built-in-pilot counterbore for 5/16" screws. It has a 1/2" bore diameter, a 0.343" pilot diameter, and a 1/32" oversized dimension. The tool is made from cobalt for durability and heat resistance in machining operations.
Where to buy KEO counterbore 902-000-021 worldwide?
3G Electric supplies the KEO 902-000-021 counterbore worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this cobalt oversized counterbore for 5/16" screws.
How to select the correct oversized counterbore for a 5/16" screw?
Select an oversized counterbore like the KEO 902-000-021 when you need extra clearance around the screw head, typically for assembly with plated or coated fasteners. Match the pilot diameter to the screw's body size (0.343" for 5/16") and choose cobalt for harder materials. Always verify bore depth requirements.
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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.
