WIDIA Carbide Bur: Ball, SD-3, Aluminum Cut, 3/8" Head
The WIDIA Carbide Bur is a ball-shaped, aluminum-cut rotary tool (SD-3 type) with a 3/8" head diameter and 1/4" shank (MPN M40538). Manufactured by WIDIA METAL REMOVAL, this bur is designed for material removal in…
SKU 3G-OTH-600339
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Product Description
The WIDIA Carbide Bur is a ball-shaped, aluminum-cut rotary tool (SD-3 type) with a 3/8" head diameter and 1/4" shank (MPN M40538). Manufactured by WIDIA METAL REMOVAL, this bur is designed for material removal in aluminum applications.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a WIDIA carbide bur used for?
A WIDIA carbide bur is a rotary tool for material removal, shaping, and deburring. The SD-3 ball shape with aluminum-cut geometry is specifically designed for non-ferrous metals like aluminum, providing fast stock removal and a smooth finish in industrial machining and fabrication.
What are the specifications of the WIDIA M40538 carbide bur?
The WIDIA M40538 is an SD-3 type, aluminum-cut ball bur with a 3/8" head diameter and 1/4" shank. It is manufactured by WIDIA METAL REMOVAL. These specs define its suitability for precision material removal in aluminum and other non-ferrous applications.
Where to buy WIDIA carbide burs worldwide?
3G Electric supplies WIDIA carbide burs like the M40538 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote on this SD-3 aluminum-cut bur or other WIDIA METAL REMOVAL tooling.
How to select the right carbide bur for aluminum?
For aluminum, choose a bur with an aluminum-cut (non-ferrous) geometry to prevent clogging. The WIDIA SD-3 ball bur with a 3/8" head and 1/4" shank is designed for this. Match head shape to your application: ball for concave contours, cylinder for flat surfaces.
Used in
Common applications for WIDIAWIDIA Products
3G Electric supplies WIDIA aluminum-cut ball burs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

