Ball Button
Product name | Ball Buttons/Tapped |
Model number | TBBT8 |
* Orange colored cells in the table below indicate the part numbers that were actually used in this app. example.
Selection criteria
Contact is made at the retaining position, reducing wear on the outside body.
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Risk info.
Some wear and dents.
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Available sizes
■Ball Buttons- Tapped
Material: W1 - 9 Carbon Tool Steel (Hardness: 55 ~ 60HRC)
Surface treatment: Electroless nickel plating
Thread DIA. (Coarse) | Thread length | Button O.D. | Button height |
M4 | 5 | Ø8 | 3 |
M5 | 6 | Ø9 | 3 |
M6 | 8 | Ø12 | 3 |
M8 | 10 | Ø15 | 4 |
M10 | 12 | Ø20 | 4 |
M12 | 15 | Ø22 | 4 |
* When combining with ball plungers, use the same thread DIA.
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Accuracy Info
■Accuracy of Ball button (Tap type)
Concentricity of the thread and the notch: 0.1
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Ball Plunger
Product name | Ball Plungers/Long |
Model number | BPJL8 |
* Orange colored cells in the table below indicate the part numbers that were actually used in this app. example.
Selection criteria
Suitable for temporarily retaining the table in the preferred working position.
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Available sizes
■Ball Plungers - Long
Ball material | Load type | Body | Ball | Spring |
Material | Hardness | Surface treatment | Material | Hardness | Material |
Metal | For extra light loads | EN 1.1191 Equiv. | 29 - 35HRC | Black oxide | EN 1.3505 Equiv. | 55HRC - | JIS-SWP-B |
For light loads |
For heavy loads | EN 1.4301 Equiv. | - | - |
For extra heavy loads | EN 1.1191 Equiv. | 29 - 35HRC | Nickel plating |
Resin | For extra light loads | Black oxide | Polyacetal - | - |
For light loads |
For heavy loads |
For extra heavy loads | Nickel plating |
■Sizes and Dimensions
Thread DIA. (Coarse) | Metal ball | Plastic ball | Body length |
DIA. | Stroke | DIA. | Stroke |
M3 | Ø1.5 | 0.5 | - | - | 13 |
M4 | Ø2.5 | 0.8 | Ø2.4 | 0.7 | 15 |
M5 | Ø3 | Ø3 | 0.8 | 18 |
M6 | Ø3 | Ø3 | 0.8 | 20 |
M8 | Ø4 | 1 | Ø4 | 1 | 23 |
M10 | Ø5 | 1.2 | Ø5 | 1.2 | 27 |
M12 | Ø7.1 | 1.8 | Ø7 | 1.8 | 32 |
M16 | Ø9.5 | 2.5 | Ø9.5 | 2.5 | 40 |
* Plastic ball type for thread DIA. M3 is not available.
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Performance info.
■Ball plunger (Long) spring load (N)
Thread DIA. (Coarse) | For extra light loads | For light loads | For heavy loads | For extra heavy loads |
min. | max. | min. | max. | min. | max. | min. | max. |
M3 | 0.3 | 0.6 | 1.0 | 2.0 | 1.5 | 2.9 | 2.2 | 5.0 |
M4 | 0.6 | 1.6 | 2.0 | 4.9 | 3.9 | 9.8 | 2.5 | 12.6 |
M5 | 1.0 | 3.1 | 2.9 | 9.8 | 4.9 | 19.6 | 11.7 | 25.1 |
M6 | 1.6 | 4.9 | 4.9 | 14.7 | 9.8 | 29.4 | 18.7 | 35.3 |
M8 | 2.4 | 6.4 | 6.9 | 19.6 | 12.7 | 39.2 | 24.5 | 46.8 |
M10 | 3.0 | 8.1 | 8.8 | 24.5 | 18.6 | 49.0 | 26.7 | 58.7 |
M12 | 3.5 | 9.7 | 9.8 | 29.4 | 19.6 | 58.8 | 26.1 | 62.3 |
M16 | 5.7 | 15.8 | 15.7 | 49.0 | 29.4 | 98.0 | 55.4 | 116.0 |
* Load "min." is the initial load, and "max." is when the ball is fully depressed.
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IDEA NOTE Protruding ball button provides stable clamping.
By the use of protruding ball buttons, rotary table retention force is adjustable, and wear dents are reduced.
IDEA NOTE 上段治具脱落防止
プレートをザグリ穴形状にし, 六角支柱を嵌めることで上段の脱落を防止