Tapered Ball Nose End Mills

Match the Ball Tip and Taper Envelope

Match the NBMT ball tip and tapered body to the cavity section. Specify the radius, taper symbol and required reach together so the quotation identifies the intended tip and clearance envelope.

Match ball radius R to the surface.
Review the tapered body against cavity walls.
Check Lc and L1 independently.
Retain α as shown on the source drawing.

Request a Model-by-Model Quote

Tapered Ball Nose End Mills — Product Views

NBMT Product Views

NBMT tapered ball nose end mills: full-tool group view — **Full-tool group view**

Full-tool profile view

NBMT tapered ball nose end mills: angled full-tool view — **Angled full-tool view**

NBMT tapered ball nose end mills: full-tool view in display holder — **Full-tool view in display holder**

Compare the Listed Series and Configurations

Select the ball tip and taper envelope together. The local surface and surrounding walls must accommodate both the working radius and the changing tool-body diameter. Keep the selected configuration identifiable in any replacement review.

Series	Flutes	Model records
NBMT	2 FLUTES	41

Tapered Ball Nose End Mills Specifications

Review ball radius R, tip diameter D, taper angle α, flute length Lc and effective length L1. Use each model row with its corresponding dimension drawing; preserve the defined symbols and units.

NBMT — 2 flutes

NBMT dimension drawing with original dimension symbols and figure references

Model	Cutting Diameter D (mm)	Ball Radius R (mm)	Flute Length Lc (mm)	Taper Angle α	Effective Length L1 (mm)	Overall Length L (mm)	Shank Diameter d (mm)	Flutes
NBMT0604A	D0.6	R0.3	0.6	0.9°	4	L50	4	2
NBMT0606A	D0.6	R0.3	0.6	0.9°	6	L50	4	2
NBMT0608A	D0.6	R0.3	0.6	0.9°	8	L50	4	2
NBMT0610A	D0.6	R0.3	0.6	0.9°	10	L50	4	2
NBMT0612A	D0.6	R0.3	0.6	0.9°	12	L50	4	2
NBMT0616A	D0.6	R0.3	0.6	0.9°	16	L50	4	2
NBMT1006A	D1	R0.5	1	0.9°	6	L50	4	2
NBMT1008A	D1	R0.5	1	0.9°	8	L50	4	2
NBMT1010A	D1	R0.5	1	0.9°	10	L50	4	2
NBMT1012A	D1	R0.5	1	0.9°	12	L50	4	2
NBMT1016A	D1	R0.5	1	0.9°	16	L50	4	2
NBMT1018A	D1	R0.5	1	0.9°	18	L50	4	2
NBMT1020A	D1	R0.5	1	0.9°	20	L60	4	2
NBMT1022A	D1	R0.5	1	0.9°	22	L60	4	2
NBMT1026A	D1	R0.5	1	0.9°	26	L75	4	2
NBMT1510A	D1.5	R0.75	1.5	0.9°	10	L50	4	2
NBMT1512A	D1.5	R0.75	1.5	0.9°	12	L50	4	2
NBMT1516A	D1.5	R0.75	1.5	0.9°	16	L50	4	2
NBMT1520A	D1.5	R0.75	1.5	0.9°	20	L60	4	2
NBMT1526A	D1.5	R0.75	1.5	0.9°	26	L75	4	2
NBMT1530A	D1.5	R0.75	1.5	0.9°	30	L75	4	2
NBMT2010A	D2	R1	2	0.9°	10	L50	4	2
NBMT2012A	D2	R1	2	0.9°	12	L50	4	2
NBMT2016A	D2	R1	2	0.9°	16	L50	4	2
NBMT2020A	D2	R1	2	0.9°	20	L60	4	2
NBMT2022A	D2	R1	2	0.9°	22	L60	4	2
NBMT2024A	D2	R1	2	0.9°	24	L75	4	2
NBMT2026A	D2	R1	2	0.9°	26	L75	4	2
NBMT2030A	D2	R1	2	0.9°	30	L75	4	2
NBMT2036A	D2	R1	2	0.9°	36	L75	4	2
NBMT2040A	D2	R1	2	0.9°	40	L75	4	2
NBMT3020	D3	R1.5	3	0.9°	20	L60	6	2
NBMT3026	D3	R1.5	3	0.9°	26	L75	6	2
NBMT3030	D3	R1.5	3	0.9°	30	L75	6	2
NBMT3032	D3	R1.5	3	0.9°	32	L75	6	2
NBMT3036	D3	R1.5	3	0.9°	36	L75	6	2
NBMT3040	D3	R1.5	3	0.9°	40	L75	6	2
NBMT4020	D4	R2	4	0.9°	20	L60	6	2
NBMT4030	D4	R2	4	0.9°	30	L75	6	2
NBMT4036	D4	R2	4	0.9°	36	L75	6	2
NBMT4040	D4	R2	4	0.9°	40	L75	6	2

Match the Tool to the Feature and Machine Setup

Working Profile

Select the ball tip and taper envelope together. The local surface and surrounding walls must accommodate both the working radius and the changing tool-body diameter.

Access and Holding Conditions

Provide the required tip radius, cavity depth and surrounding-wall positions with the selected NBMT drawing. Identify the angle symbol α as drawn, together with Lc and L1, so the taper and reach can be reviewed against the same feature.

Workpiece and Cutting Conditions

Include the workpiece grade and condition, machining operation, machine and holder, tool projection and chip-removal arrangement. Coating and cutting-parameter requests need the actual application; a series name or tool colour does not establish suitability.

Prepare the Range for Your Machining Customers

Tapered Cavity Access

Provide a section showing the rounded feature, wall positions and depth. The ball tip and the diameter growth behind it need separate clearance checks against the same part geometry.

Profile-Specific Replacement

Keep the original tool drawing with the replacement enquiry. A matching ball radius can conceal a different taper or reach, so identify the complete NBMT model rather than requesting a generic tapered cutter.

Ordering and Repeat Identification

Use the full model and quantity for every configuration. Add the part or tool drawing revision, acceptance requirements and any packing or label instructions so a repeat enquiry refers to the same item.

Production Equipment for Tapered Ball Nose End Mills

Review the equipment alongside the ball radius R, tip diameter D, taper angle α, flute length Lc and effective length L1 required for the selected model. Factory scenes provide context; the ordered geometry and any agreed treatment remain item-specific.

**CNC Tool Grinding Cell**
CNC tool grinding equipment on the workshop floor.
A tool drawing needs a clear definition of the working profile before a grinding setup is evaluated. For NBMT models such as NBMT0604A (2 flutes), review ball radius, tip profile and cutting length. Check the taper definition and its reference length together with the tip profile.

**CNC Grinding Equipment**
A row of enclosed CNC grinding machines.

**Tool Grinding Machine**
Enclosed tool-grinding equipment with an operator area alongside.
The relationship between the working edge and the holding section belongs in the dimensional review, not just the overall tool outline. Keep the drawing for NBMT0604A and other NBMT models attached to the order's ball radius, tip profile and cutting length requirements. Check the taper definition and its reference length together with the tip profile.

**Automated Tool Grinding Cell**
A tool-grinding machine with a robotic handling enclosure.
For a repeat-order programme, keep the approved model and drawing revision together; an automated handling scene does not establish a tolerance guarantee. In the NBMT range, use NBMT0604A as a model reference when checking ball radius, tip profile and cutting length against the part requirement.

**Automated Grinding Equipment**
Tool-grinding machines with enclosed robotic handling equipment.

**CNC Grinding Machines**
Enclosed CNC grinding equipment arranged along the workshop aisle.
Compare the required cutting section and clearance envelope when reviewing production requirements; the workshop overview is context for that discussion. Select NBMT0604A or another NBMT model against the curved surface or local cavity feature.

**Cleaning Equipment**
A multi-tank cleaning line in the tool production workshop.
Surface cleanliness matters when reviewing a cutting edge or a proposed surface treatment. Specify the condition required for inspection rather than assuming one cleaning cycle suits every tool. Keep the drawing for NBMT0604A and other NBMT models attached to the order's ball radius, tip profile and cutting length requirements. Check the taper definition and its reference length together with the tip profile.

**Tool Finishing Workstations**
Machine workstations in the tool-finishing area.
The final working profile should be compared with the ordered geometry. Any finishing requirement needs to preserve the dimensions that define the selected tool. In the NBMT range, use NBMT0604A as a model reference when checking ball radius, tip profile and cutting length against the part requirement.

**Cutting-Edge Preparation Equipment**
An operator beside a tool honing and polishing machine.
Edge preparation is a specification decision, not an automatic requirement. Discuss whether an edge treatment is appropriate for the selected geometry before adding it to an order. For NBMT models such as NBMT0604A (2 flutes), review ball radius, tip profile and cutting length.

**Edge Honing and Polishing Equipment**
An operator beside enclosed tool honing equipment.
Where an edge treatment is requested, define the condition to be assessed without changing the intended cutting profile. This equipment view does not establish a treatment for every model. Select NBMT0604A or another NBMT model against the curved surface or local cavity feature. Check the taper definition and its reference length together with the tip profile.

**Wet-Blasting Equipment**
Enclosed wet-blasting equipment in the surface-finishing area.
Wet blasting is shown as workshop equipment. Include it in a tool specification only when an applicable surface-treatment requirement has been agreed; it is not a default step for this range. Keep the drawing for NBMT0604A and other NBMT models attached to the order's ball radius, tip profile and cutting length requirements.

**Wet-Blasting Equipment — Additional View**
An alternate image of enclosed wet-blasting equipment.
Use this additional equipment view as factory context. Whether a surface-treatment route is appropriate depends on the ordered tool and its acceptance requirements, not on the presence of a machine photograph. In the NBMT range, use NBMT0604A as a model reference when checking ball radius, tip profile and cutting length against the part requirement. Preserve the specified ball radius, tip profile and cutting length when discussing any optional treatment for NBMT.

**Tool Coating Equipment**
An enclosed tool-coating unit in the workshop.
Choose any coating against the workpiece and the selected tool geometry. Equipment photographs do not identify the coating chemistry or prove a hardness or tool-life rating. For NBMT models such as NBMT0604A (2 flutes), review ball radius, tip profile and cutting length.

**Coating-Area Equipment**
Vacuum-chamber equipment in the coating area.
A surface-treatment enquiry should identify the selected model and required finish. Keep the coating requirement separate from dimensional acceptance and from unverified performance claims. Select NBMT0604A or another NBMT model against the curved surface or local cavity feature.

**Laser-Marking Station**
An operator working at an enclosed laser-marking station.
State the identification and label information required for the order. Any requested tool marking must be reviewed for the available non-cutting area rather than assumed suitable for every tool size. Keep the drawing for NBMT0604A and other NBMT models attached to the order's ball radius, tip profile and cutting length requirements. Check the taper definition and its reference length together with the tip profile.

Inspection Equipment and Acceptance Requirements

Build the inspection request around ball radius R, tip diameter D, taper angle α, flute length Lc and effective length L1. Define the measurement features and limits for the selected drawing. Installed runout and balance are separate from a dimensional or visual check.

**Tool Inspection Room**
Operators working at optical inspection and tool-measuring stations.

Cutting-Tool Profile Measurement

An operator positioning a cutting tool at a profile-measuring station.

Profile review should follow the actual working geometry and the dimension definitions on its drawing. Define the feature being assessed before comparing measurements or accepting a sample. For NBMT models such as NBMT0604A (2 flutes), review ball radius, tip profile and cutting length. Check the taper definition and its reference length together with the tip profile.

**Measurement Workstations**
Optical measuring workstations in the inspection area.

**Tool Presetting and Dimensional Review**
A tool presetter with an optical measuring arm and display.
Tool presetting supports a discussion of length and visible profile. Assess installed runout separately with the agreed holder, projection, position and method; this image alone does not prove runout capability. Keep the drawing for NBMT0604A and other NBMT models attached to the order's ball radius, tip profile and cutting length requirements. Check the taper definition and its reference length together with the tip profile.

**Optical Tool Presetter**
An optical tool presetter and measurement display.
Agree the dimensional datum and measurement position before comparing presetting information. Overall length, cutting length and installed projection describe different aspects of a tool setup. In the NBMT range, use NBMT0604A as a model reference when checking ball radius, tip profile and cutting length against the part requirement.

**Tool Measurement Setup**
An operator setting a tool in an enclosed measuring machine.
Identify the selected tool and the drawing features that need checking. Machine appearance alone cannot establish an inspection resolution, a tolerance limit or a completed result for that item. For NBMT models such as NBMT0604A (2 flutes), review ball radius, tip profile and cutting length. Check the taper definition and its reference length together with the tip profile.

**Optical Inspection Workstations**
Operators inspecting tools at camera-based inspection workstations.
Define which cutting-edge and tip features need visual review and what constitutes an unacceptable defect. Use a suitable view of the working section rather than judging it from a full-tool photograph. Select NBMT0604A or another NBMT model against the curved surface or local cavity feature.

**Balancing Instrument**
A balancing instrument with a protective enclosure.
Balancing equipment is shown as factory context. Balance and runout are different assessments; do not treat this photograph as proof that an individual cutter has been balanced or that its cutting diameter is within tolerance. Keep the drawing for NBMT0604A and other NBMT models attached to the order's ball radius, tip profile and cutting length requirements. For NBMT, any balance requirement needs its own assembly definition and acceptance basis.

Prepare a Clear Quote and Reorder List

Use one line for each series, model and quantity. For a trial order, describe the machining result you need to assess. For a repeat order, include the approved item or drawing revision so the enquiry identifies the same tool.

List the complete model code, quantity per model and any required dimensional tolerances.
Provide the workpiece, machining operation and machine or holder details for application review.
State individual tool protection, label information and outer-pack requirements in the enquiry.
Include the destination, required delivery date and any private-label or documentation requirements.

Tapered Ball Nose End Mills Purchasing FAQ

Does NBMT use a ball tip or a pointed engraving tip?

This page covers the catalogue tapered ball nose family. Compare the rounded tip and its radius with the feature drawing. A taper alone does not make an engraving tool and a ball nose cutter interchangeable.

Which NBMT drawing details are needed for a taper-clearance review?

Provide ball radius R, tip diameter D, the angle symbol α as drawn, cutting length Lc and effective length L1. Include a cavity section and the intended holder approach. Keep the source angle convention on the drawing rather than converting it into a different convention in the enquiry.

How do I check taper interference in a deep feature?

Provide a section of the cavity, the required tip radius, working depth and nearby wall positions. Compare the increasing body diameter along the taper with that section and the intended holder approach.

Can two NBMT models with the same ball radius provide the same access?

Not necessarily. Compare effective length, flute length, taper definition and holding dimensions as well as R. Retain the full model when reviewing clearance; matching the tip does not establish matching access.

Can a straight-neck ball cutter substitute for a tapered ball cutter?

Only after checking the part and tool geometry. The straight and tapered bodies have different clearance envelopes. Compare the radius, access, engagement and setup rather than selecting by tip diameter alone.

What drawing is useful for an NBMT quotation?

Include the tool or part section with tip radius, taper convention, required depth and obstructions. Add full model references where available, quantities and machine conditions. Keep angle and linear dimensions explicitly identified.

Request a Quote for Tapered Ball Nose End Mills

Send the complete model list and quantities, or provide your tool and part drawings. Include the workpiece, operation, machine and holder, dimensional requirements and destination.

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