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WIDIA SD-3L6 Single-Cut Ball Bur, 3/8" Head, 1/4" Shank - Single-Cut Ball Burs
WIDIASingle-Cut Ball Burs

WIDIA SD-3L6 Single-Cut Ball Bur, 3/8" Head, 1/4" Shank

The WIDIA Carbide Bur is a single-cut ball bur, model SD-3L6 (MPN M40335), with a 3/8" head diameter and a 1/4" shank. This WIDIA METAL REMOVAL tool is designed for material shaping and finishing applications.

SKU 3G-OTH-600322

Also listed as: M 40335 · M-40335

Brand
WIDIA
Item
SD-3L6 Single-Cut Ball Bur, 3/8" Head, 1/4" Shank
Part Number
M40335
Category
Single-Cut Ball Burs
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Technical Specifications

WIDIA
Manufacturer Part Number
M40335
Type
SD-3L6, Single Cut
Head
3/8"
Shank
1/4"

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

Product Description

The WIDIA Carbide Bur is a single-cut ball bur, model SD-3L6 (MPN M40335), with a 3/8" head diameter and a 1/4" shank. This WIDIA METAL REMOVAL tool is designed for material shaping and finishing applications.

Frequently Asked Questions

What is a WIDIA carbide bur used for?

A WIDIA carbide bur is used for shaping, deburring, and finishing metal and other materials. The SD-3L6 ball bur with single-cut flute is ideal for contour work, die grinding, and weld preparation in industrial fabrication and toolmaking.

What are the specifications of the WIDIA SD-3L6 carbide bur?

The WIDIA SD-3L6 carbide bur (MPN M40335) has a 3/8" ball head diameter and a 1/4" shank. It features a single-cut flute design from the WIDIA METAL REMOVAL line, optimized for material removal and finishing in ferrous and non-ferrous metals.

Where to buy WIDIA carbide burs worldwide?

3G Electric supplies WIDIA carbide burs like the SD-3L6 (M40335) to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility, ensuring you receive genuine WIDIA METAL REMOVAL tooling for your machining operations.

How to select the right WIDIA carbide bur for your application?

Select a WIDIA carbide bur based on head shape, cut type, and shank size. For general shaping and finishing, a single-cut ball bur like the SD-3L6 works well on steel and cast iron. Match the shank diameter to your rotary tool collet for secure operation.

Used in

Common applications for WIDIA
General machining — WIDIA square turning inserts (SCMT321) for external and internal turning on lathes.
Steel and stainless steel turning — WIDIA triangle inserts (TNMG331MS) with negative rake for general-purpose turning and facing.
Non-ferrous precision machining — WIDIA diamond turning inserts (DCMT432FP) for turning, boring, and profiling of aluminum and composites.
High-volume drilling — WIDIA modular drill tips (TDM090R5SCF12M) for quick tip changes without removing the drill body.
Parting and grooving — WIDIA parting and grooving inserts (WMTS094I2BP02PT) for cutoff and groove creation on turning centers.
Cast iron roughing — WIDIA negative triangle inserts (TNMG160404MS) for roughing and finishing operations on cast iron.
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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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Single-cut carbide ball bur with 1/4" head diameter and 1/8" shank. Designed for material removal, deburring, and contouring in metalworking applications
WIDIA
Single-cut carbide ball bur with 1/4" head diameter and 1/8" shank. Designed for material removal, deburring, and contouring in metalworking applications

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