WIDIA Carbide Bur: Ball, SD-7, Single Cut, 3/4" Head
The WIDIA Carbide Bur is a single-cut ball bur (SD-7) with a 3/4" head and 1/4" shank (MPN M40340). Manufactured by WIDIA METAL REMOVAL, this tool is designed for material removal applications requiring a ball-shaped…
SKU 3G-OTH-600315
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Product Description
The WIDIA Carbide Bur is a single-cut ball bur (SD-7) with a 3/4" head and 1/4" shank (MPN M40340). Manufactured by WIDIA METAL REMOVAL, this tool is designed for material removal applications requiring a ball-shaped cutting profile.
Frequently Asked Questions
What is a WIDIA single-cut ball bur used for?
A WIDIA single-cut ball bur is used for material removal in deburring, contouring, and shaping applications. Its ball-shaped head allows smooth concave cutting in metal, plastic, and wood. This SD-7 bur with a 3/4" head is ideal for die grinding and general fabrication.
What are the specifications of the WIDIA M40340 carbide bur?
The WIDIA M40340 is a single-cut ball bur with an SD-7 profile. It has a 3/4" head diameter and a 1/4" shank. Manufactured by WIDIA METAL REMOVAL, it is designed for efficient material removal in industrial machining and toolmaking.
Where to buy WIDIA carbide burs worldwide?
3G Electric supplies WIDIA carbide burs like the M40340 to customers worldwide. We handle full logistics and customs clearance for international orders. Contact us to source this SD-7 single-cut ball bur for your industrial material removal needs.
How to select the right carbide bur for die grinding?
Select a carbide bur based on head shape, cut type, and shank size. For concave surfaces, a ball bur like the WIDIA SD-7 works well. Single-cut burs provide smooth finishing on metals. Ensure the shank fits your rotary tool; the M40340 uses a 1/4" shank.
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3G Electric supplies WIDIA single-cut ball burs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









