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MSU-Manufactured Carbide End Mills

Ball Nose End Mills

MSU manufactures non-micro, non-tapered ball nose end mills across GP, GPP, HPX and MH catalog series for curved-surface and contour-machining requirements.

Compare the available families by diameter, ball radius, flute count, reach, coating, material condition and application. Send the exact catalog code when known, or provide the part and machining conditions for selection review.

Send the radius, diameter, workpiece and operation for a catalog check or quotation.

Request a Ball Nose End Mill Review

Explore Ball Nose End Mills

The MSU ball nose range contains five non-micro, non-tapered families and 127 catalog codes. These carbide ball nose end mills have a continuous rounded cutting-end profile and are also called ball end mills.

Micro ball nose tools remain with Micro End Mills. Tools with a tapered body and ball-nose end remain with Tapered Ball Nose End Mills. Catalog codes identify configurations; confirm current availability during quotation.

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GPB2 · GPB4

GP Series

GPB2 and GPB4 are the GP ball nose families. Both cover catalog diameters from 1 to 20 mm and carry an AlCr-based condition below 55 HRC. GPB2 is a 2-flute family and GPB4 is a 4-flute family.

GPPB2

GPP Series

GPPB2 is the enhanced 2-flute ball nose family in the GPP series. Its catalog diameter range is 1 to 20 mm, with an AlCr-based condition below 55 HRC.

HPBX2

HPX Series

HPBX2 is the 2-flute ball nose family in the HPX series. Its catalog diameter range is 1 to 20 mm, with an AlCr-based condition below 55 HRC.

MHB2

MH Series

MHB2 is the 2-flute high-hardness ball nose family. Its catalog diameter range is 1 to 20 mm, with TiAlSi and a below-65-HRC boundary.

Use the parent Carbide End Mills page to compare all end-mill geometries. Use Square End Mills when the cutting end must remain flat, or Corner Radius End Mills when the tool needs a flat end plus a defined corner radius.

Compare the five families by flute count, diameter range, coating and catalog hardness boundary.

Compare Ball Nose Series

Compare Series and Configurations

Choose the family from the catalog condition, then confirm the exact model row. Diameter, ball radius, cutting length, reach, shank and overall length must all be read from the selected configuration.

Ball nose end mill catalog families compared by flute count, diameter range, catalog condition and the details to confirm next.
Catalog family Flute count Catalog diameter range Catalog condition What to confirm next
GPB2 2 1–20 mm AlCr-based; below 55 HRC Diameter, ball radius, reach, shank and operation
GPB4 4 1–20 mm AlCr-based; below 55 HRC Diameter, ball radius, reach, shank and operation
GPPB2 2 1–20 mm AlCr-based; below 55 HRC Diameter, ball radius, reach, workpiece and operation
HPBX2 2 1–20 mm AlCr-based; below 55 HRC Diameter, ball radius, reach, workpiece and operation
MHB2 2 1–20 mm TiAlSi; below 65 HRC Workpiece grade, hardness, diameter, radius and operation

Flute count is one selection input, not a complete selection rule. Compare it with the surface geometry, tool engagement, chip evacuation requirement, reach, workpiece, machine, holder and coolant. Coating and hardness labels are retained as catalog conditions and do not establish a universal machining result.

Continue to the part geometry, workpiece and setup information required for selection.

Review Ball Nose Application Inputs

Choose Ball Nose End Mills for Your Application

Ball nose tools are reviewed for machining requests involving continuous curved surfaces, 3D contouring, profiling and mold-surface geometry. These are application categories, not a promise of surface finish, cycle time or tool life. Use the End Mill Selection Guide to review geometry, workpiece material and setup. Provide the following inputs together:

  • Part drawing or a clear description of the surface and profile.
  • Workpiece material, grade and hardness when known.
  • Operation, stock condition and whether the pass is roughing, semi-finishing or finishing.
  • Tool diameter, ball radius, cutting length, reach, shank and overall-length constraints.
  • Required flute count and coating requirement, if already specified.
  • Machine, spindle interface, holder, coolant method and setup constraints.
  • Quantity, destination country and target date.
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Related geometries

Do not substitute a standard ball nose tool for a tapered ball nose requirement without checking the body profile and clearance. Do not substitute it for a corner radius tool when the part requires a flat bottom.

Confirmation

Exact grade, hardness, diameter and operating conditions still require confirmation for every route above.

Send the surface geometry, radius, reach and machining conditions together for review.

Send Ball Nose Requirements

Ball Nose End Mills Series and Specifications

The Ball Nose End Mills catalog range contains 127 catalog codes across five families. Compare the available family and model-code choices in the table below.

Ball nose end mill series with family code, catalog name, exact code count and catalog diameter range.
Series Family Catalog name Exact code count Catalog range
GP GPB2 General Processing 2-Flute Ball Nose End Mill 38 1–20 mm
GP GPB4 General Processing 4-Flute Ball Nose End Mill 38 1–20 mm
GPP GPPB2 Enhanced 2-Flute Ball Nose End Mill 16 1–20 mm
HPX HPBX2 High Performance 2-Flute Ball Nose End Mill 16 1–20 mm
MH MHB2 High Hardness 2-Flute Ball Nose End Mill 19 1–20 mm
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For the exact model, confirm the catalog code, cutting diameter, ball radius, cutting length, reach, shank diameter, overall length, flute count, coating and published material or hardness condition.

The Downloads page provides the current MSU carbide end mill catalog.

When an exact code or dimension cannot be confirmed from the catalog information, MSU checks the applicable catalog table before selection or quotation instead of inferring a value from a neighboring row.

Open the document hub for the current carbide end mill catalog and dimensional tables.

View the End Mill Catalog

Manufacturing and Quality Control

Ball Nose End Mills are an MSU-manufactured product line. The catalog establishes the five family names, 127 model codes, dimensions and catalog conditions in this range.

The MSU Factory has Walter HELITRONIC MICRO equipment. MSU’s Quality Control facilities include a ZOLLER G3 measurement system. The selected ball radius, diameter, reach and other acceptance requirements are confirmed against the catalog row, order or approved drawing.

Product-specific profile tolerances, runout, surface-finish requirements and inspection items are confirmed for the selected model, order conditions or approved drawing.

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Review the documented quality workflow and how order-specific dimensions are confirmed.

Review Quality Control

Ordering and Technical Support

Send the family or catalog code when known. Include the required diameter, ball radius, cutting length, reach, flute count, coating, workpiece and hardness, surface or operation, machine and holder, coolant, quantity, destination and target date.

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Minimum order and samples

MOQ is normally 5–10 pieces, with the final quantity confirmed by product and quotation. Samples are charged according to the product, and sample freight is paid by the customer.

Lead time

Completion of the whole order is guaranteed within 25–30 days from order placement.

Payment

T/T with deposit and balance is supported. The percentages and payment milestones are stated in the quotation or order. Quotations remain valid for 30 days.

Trade terms

EXW, FOB, CIF and DDP can be discussed and are confirmed by order, destination and feasibility. Packaging is confirmed in the quotation or order.

After-sales

For an issue after receipt, submit it within 30 days and include applicable photos, batch number, measurement report or video. MSU reviews each issue against the supplied evidence and order record.

Contact

Contact Maria at maria@msutools.com or +86 13973369578 by phone or WhatsApp, or send the complete application details through the Contact page.

Use Ordering and Delivery for the shared commercial process and Downloads for the current catalog.

Review the shared ordering terms before sending the complete ball nose requirement.

Review Ordering and Delivery

Ball Nose End Mill Selection Questions

Ball end mill is a shorter name for the same rounded-end geometry. The MSU range consists of non-micro, non-tapered ball nose families.

A ball nose end mill has a continuous spherical cutting profile. A corner radius end mill retains a flat cutting end and adds a defined radius at the tool corner.

The catalog range includes both 2-flute and 4-flute GP families, while GPP, HPX and MH ball nose families in this catalog are 2-flute. The final choice also depends on the workpiece, operation, engagement, reach, machine, holder and coolant.

MHB2 is the high-hardness ball nose family with TiAlSi and a catalog boundary below 65 HRC. Send the exact workpiece grade, actual hardness, diameter, radius and operation for confirmation.

No. Micro ball nose tools and tapered ball nose tools are separate product groups with their own geometry and catalog dimensions.

Yes. A drawing or complete radius, diameter, reach and body-geometry requirement can be submitted for feasibility review. The review does not guarantee every tolerance, substrate, coating or geometry combination.

Completion of the whole order is guaranteed within 25–30 days from order placement.