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WIDIA M40331 Single-Cut Ball Bur, 1/4" Head, 1/4" Shank - Single-Cut Ball Burs
WIDIASingle-Cut Ball Burs

WIDIA M40331 Single-Cut Ball Bur, 1/4" Head, 1/4" Shank

The WIDIA Carbide Bur is a ball-shaped, single-cut rotary file (SD-1 type) from the WIDIA METAL REMOVAL line, featuring a 1/4" head diameter and a 1/4" shank (MPN M40331). Designed for material removal and deburring…

SKU 3G-OTH-600328

Also listed as: M 40331 · M-40331

Brand
WIDIA
Item
M40331 Single-Cut Ball Bur, 1/4" Head, 1/4" Shank
Category
Single-Cut Ball Burs
Available to Order
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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

Technical Specifications

WIDIA
Manufacturer Part Number
M40331
Type
SD-1, Single Cut
Head
1/4"
Shank
1/4"

Technical Documents

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WIDIA Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WIDIA Carbide Bur is a ball-shaped, single-cut rotary file (SD-1 type) from the WIDIA METAL REMOVAL line, featuring a 1/4" head diameter and a 1/4" shank (MPN M40331). Designed for material removal and deburring applications, this single-cut bur delivers efficient stock removal with a smooth finish.

Frequently Asked Questions

What is a WIDIA carbide bur used for?

A WIDIA carbide bur is a rotary file used for material removal, deburring, and shaping in metalworking. The ball-shaped SD-1 single-cut design efficiently removes stock while producing a smooth finish on ferrous and non-ferrous materials.

What are the specifications of the WIDIA M40331 carbide bur?

The WIDIA M40331 carbide bur has a 1/4" head diameter, 1/4" shank, and is an SD-1 single-cut ball bur from the WIDIA METAL REMOVAL line. It is designed for precision material removal and deburring in industrial applications.

Where to buy WIDIA carbide burs worldwide?

3G Electric supplies WIDIA carbide burs worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine WIDIA METAL REMOVAL tooling like the M40331 and deliver to your facility.

How to select the right carbide bur for deburring?

Select a carbide bur based on material, cut type, and shape. For general deburring on steel, a single-cut ball bur like the WIDIA SD-1 provides efficient stock removal. Match head diameter to access area and shank size to your rotary tool collet.

Used in

Common applications for WIDIA
General turning of steel components — WIDIA DCMT diamond turning inserts (e.g., DCMT3251MP)
Grooving and parting in automotive parts manufacturing — WIDIA WMTCL indexable grooving toolholders
Finishing operations on aluminum alloys — WIDIA VNMG diamond turning inserts (e.g., VNMG331ML)
Heavy-duty turning of stainless steel — WIDIA DNMG carbide inserts with MS chipbreaker (e.g., DNMG433MS)
Threading and contouring in mold making — WIDIA TCMT triangle turning inserts (e.g., TCMT3252MP)
Parting-off operations in high-volume production — WIDIA WGMEL grooving and parting toolholders

WIDIA Products

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.

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