KEO Built-in-Pilot Counterbore, 8 mm Bore, 3.3 mm Pilot, Cobalt, for M4 Screws
The KEO Counterbore (MPN 902-000-049) is a standard built-in-pilot counterbore designed for M4 screws, featuring an 8 mm bore diameter and a 3.3 mm pilot diameter, constructed from cobalt. This tool is manufactured…
SKU 3G-OTH-202267
Also listed as: 902000049 · 902 000 049
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The KEO Counterbore (MPN 902-000-049) is a standard built-in-pilot counterbore designed for M4 screws, featuring an 8 mm bore diameter and a 3.3 mm pilot diameter, constructed from cobalt. This tool is manufactured by KEO.
Frequently Asked Questions
What is the KEO Counterbore 902-000-049 used for?
The KEO Counterbore 902-000-049 is used to create a flat-bottomed recess for M4 screw heads in metal or plastic parts. Its built-in pilot aligns with a pre-drilled hole, ensuring concentric counterboring. This cobalt tool is common in machining, tool-and-die, and general industrial fabrication.
What are the specifications of the KEO Counterbore 902-000-049?
This KEO counterbore has an 8 mm bore diameter and a 3.3 mm pilot diameter, designed for M4 screws. It is a standard built-in-pilot type made from cobalt. The manufacturer part number is 902-000-049. These specs ensure precise counterboring for M4 fasteners in industrial applications.
Where to buy the KEO Counterbore 902-000-049 worldwide?
3G Electric supplies the KEO Counterbore 902-000-049 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 across 14 industrial departments.
How to select the correct KEO counterbore for M4 screws?
Select a KEO counterbore with a bore diameter matching the screw head size (8 mm for M4) and a pilot diameter equal to the screw's body diameter (3.3 mm for M4). Ensure the tool is cobalt for heat resistance. Always verify the pilot fits snugly in the pre-drilled hole to avoid chatter.
Used in
Common applications for KEOKEO 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.