ID ID |
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OD OD |
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Thickness Thickness |
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Diameter Diameter |
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Thermal Conductivity Thermal Conductivity |
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Hardness Hardness |
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Fabrication Fabrication |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Tensile Strength Tensile Strength |
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Flexural Strength Flexural Strength |
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Modulus of Elasticity Modulus of Elasticity |
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Wall Thickness Wall Thickness |
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Particle Size Particle Size |
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Nonporous Alumina Ceramic Sheets and Bars
- Color: White
- Max. Temperature: See table
- Fabrication: Fired
- Electrical Properties: 4 1/2" × 4 1/2" sheets are electrical insulating
- Dielectric Strength: See table
- Porosity: 0%
- Compressive Strength: 300,000 psi
Seal out air and gas in high-temperature and high-wear applications. This ultrahard ceramic can also be used in applications that require superior strength.
For technical drawings and 3-D models, click on a part number.
| Thick. | Thick. Tolerance | Wd. | Lg. | Max. Temperature, °F | Dielectric Strength, V/mil | Each | |
| 0.010" | -0.001" to 0.001" | 4 1/2" | 4 1/2" | 2910° | 210 | 0000000 | 000000 |
| 0.015" | -0.002" to 0.002" | 4 1/2" | 4 1/2" | 2910° | 210 | 0000000 | 00000 |
| 0.020" | -0.002" to 0.002" | 4 1/2" | 4 1/2" | 2910° | 210 | 0000000 | 00000 |
| 0.025" | -0.003" to 0.003" | 4 1/2" | 4 1/2" | 2910° | 210 | 0000000 | 00000 |
| 0.030" | -0.003" to 0.003" | 4 1/2" | 4 1/2" | 2910° | 210 | 0000000 | 00000 |
| 0.035" | -0.004" to 0.004" | 4 1/2" | 4 1/2" | 2910° | 210 | 0000000 | 00000 |
| 0.040" | -0.004" to 0.004" | 4 1/2" | 4 1/2" | 2910° | 210 | 0000000 | 00000 |
| 0.050" | -0.005" to 0.005" | 4 1/2" | 4 1/2" | 2910° | 210 | 0000000 | 00000 |
| 0.060" | -0.006" to 0.006" | 4 1/2" | 4 1/2" | 2910° | 210 | 0000000 | 00000 |
| 0.080" | -0.008" to 0.008" | 4 1/2" | 4 1/2" | 2910° | 210 | 0000000 | 00000 |
| 0.100" | -0.010" to 0.010" | 4 1/2" | 4 1/2" | 2910° | 210 | 0000000 | 00000 |
| 0.157" | -0.050" to 0.050" | 2" | 4 1/4" | 3075° | 220 | 0000000 | 000000 |
| 0.177" | -0.050" to 0.050" | 3" | 6 1/4" | 3075° | 220 | 0000000 | 000000 |
| 0.197" | -0.050" to 0.050" | 4" | 8 1/2" | 3075° | 220 | 0000000 | 000000 |
Nonporous Alumina Ceramic Tubes
- Color: White
- Max. Temperature: 3075° F
- Fabrication: Fired
- Porosity: 0%
- Compressive Strength: 300,000 psi
Seal out air and gas in high-temperature and high-wear applications. This ultrahard ceramic can also be used in applications that require superior strength.
| OD | ID | Wall Thick. | Each | |
6" Lg. | ||||
|---|---|---|---|---|
| 0.050" | 0.020" | 0.015" | 00000000 | 000000 |
| 0.063" | 0.031" | 0.016" | 00000000 | 00000 |
| 0.094" | 0.040" | 0.027" | 00000000 | 00000 |
| 0.094" | 0.063" | 0.016" | 00000000 | 0000 |
| 0.100" | 0.050" | 0.025" | 00000000 | 0000 |
| 1/8" | 0.063" | 0.031" | 00000000 | 0000 |
| 0.156" | 0.094" | 0.031" | 00000000 | 0000 |
| 0.187" | 0.094" | 0.047" | 00000000 | 0000 |
| 0.187" | 1/8" | 0.032" | 00000000 | 0000 |
| 0.219" | 0.156" | 0.031" | 0000000 | 0000 |
| 1/4" | 1/8" | 0.063" | 00000000 | 0000 |
| 1/4" | 0.156" | 0.047" | 00000000 | 0000 |
| 1/4" | 0.188" | 0.031" | 00000000 | 0000 |
| 0.313" | 0.188" | 0.063" | 00000000 | 00000 |
| 0.313" | 0.219" | 0.047" | 00000000 | 00000 |
| 3/8" | 1/4" | 0.063" | 00000000 | 00000 |
| 0.438" | 0.313" | 0.063" | 00000000 | 00000 |
| 1/2" | 1/4" | 0.125" | 00000000 | 00000 |
| 1/2" | 3/8" | 0.063" | 00000000 | 00000 |
| 0.590" | 0.394" | 0.098" | 0000000 | 00000 |
| 0.590" | 0.433" | 0.078" | 00000000 | 00000 |
| 5/8" | 1/2" | 0.063" | 00000000 | 00000 |
| 0.688" | 1/2" | 0.094" | 00000000 | 00000 |
| 3/4" | 1/2" | 0.125" | 00000000 | 00000 |
| 3/4" | 0.563" | 0.094" | 00000000 | 00000 |
| 7/8" | 5/8" | 0.125" | 00000000 | 00000 |
| 1" | 3/4" | 0.125" | 00000000 | 00000 |
12" Lg. | ||||
| 0.050" | 0.020" | 0.015" | 00000000 | 00000 |
| 0.063" | 0.031" | 0.016" | 00000000 | 00000 |
| 0.094" | 0.040" | 0.027" | 00000000 | 00000 |
| 0.094" | 0.063" | 0.016" | 00000000 | 00000 |
| 0.100" | 0.050" | 0.025" | 00000000 | 00000 |
| 1/8" | 0.063" | 0.031" | 0000000 | 00000 |
| 0.156" | 0.094" | 0.031" | 0000000 | 00000 |
| 0.187" | 0.094" | 0.047" | 0000000 | 00000 |
| 0.187" | 1/8" | 0.032" | 0000000 | 00000 |
| 0.219" | 0.156" | 0.031" | 00000000 | 00000 |
| 1/4" | 1/8" | 0.063" | 0000000 | 00000 |
| 1/4" | 0.156" | 0.047" | 0000000 | 00000 |
| 1/4" | 0.188" | 0.031" | 0000000 | 00000 |
| 0.313" | 0.188" | 0.063" | 00000000 | 00000 |
| 0.313" | 0.219" | 0.047" | 00000000 | 00000 |
| 3/8" | 1/4" | 0.063" | 0000000 | 00000 |
| 0.438" | 0.313" | 0.063" | 00000000 | 00000 |
| 1/2" | 1/4" | 0.125" | 0000000 | 00000 |
| 1/2" | 3/8" | 0.063" | 0000000 | 00000 |
| 0.590" | 0.394" | 0.098" | 0000000 | 00000 |
| 0.590" | 0.433" | 0.078" | 00000000 | 00000 |
| 5/8" | 1/2" | 0.063" | 0000000 | 00000 |
| 0.688" | 1/2" | 0.094" | 00000000 | 00000 |
| 3/4" | 1/2" | 0.125" | 0000000 | 00000 |
| 3/4" | 0.563" | 0.094" | 00000000 | 00000 |
| 7/8" | 5/8" | 0.125" | 00000000 | 00000 |
| 1" | 3/4" | 0.125" | 00000000 | 000000 |
24" Lg. | ||||
| 0.050" | 0.020" | 0.015" | 00000000 | 00000 |
| 0.063" | 0.031" | 0.016" | 00000000 | 00000 |
| 0.094" | 0.040" | 0.027" | 00000000 | 00000 |
| 0.094" | 0.063" | 0.016" | 00000000 | 00000 |
| 0.100" | 0.050" | 0.025" | 00000000 | 00000 |
| 1/8" | 0.063" | 0.031" | 00000000 | 00000 |
| 0.156" | 0.094" | 0.031" | 00000000 | 00000 |
| 0.187" | 0.094" | 0.047" | 00000000 | 00000 |
| 0.187" | 1/8" | 0.032" | 00000000 | 00000 |
| 0.219" | 0.156" | 0.031" | 00000000 | 00000 |
| 1/4" | 1/8" | 0.063" | 00000000 | 00000 |
| 1/4" | 0.156" | 0.047" | 00000000 | 00000 |
| 1/4" | 0.188" | 0.031" | 00000000 | 00000 |
| 0.313" | 0.188" | 0.063" | 00000000 | 00000 |
| 0.313" | 0.219" | 0.047" | 00000000 | 00000 |
| 3/8" | 1/4" | 0.063" | 00000000 | 00000 |
| 0.438" | 0.313" | 0.063" | 00000000 | 00000 |
| 1/2" | 1/4" | 0.125" | 00000000 | 00000 |
| 1/2" | 3/8" | 0.063" | 00000000 | 00000 |
| 0.590" | 0.394" | 0.098" | 00000000 | 00000 |
| 0.590" | 0.433" | 0.078" | 00000000 | 00000 |
| 5/8" | 1/2" | 0.063" | 00000000 | 00000 |
| 0.688" | 1/2" | 0.094" | 00000000 | 00000 |
| 3/4" | 1/2" | 0.125" | 00000000 | 00000 |
| 3/4" | 0.563" | 0.094" | 00000000 | 000000 |
| 7/8" | 5/8" | 0.125" | 00000000 | 000000 |
| 1" | 3/4" | 0.125" | 00000000 | 000000 |
Nonporous Alumina Ceramic Multiple-Bore Tubes
- Color: White
- Max. Temperature: 3075° F
- Fabrication: Fired
- Porosity: 0%
- Compressive Strength: 300,000 psi
Seal out air and gas in high-temperature and high-wear applications. This ultrahard ceramic can also be used in applications that require superior strength.
For technical drawings and 3-D models, click on a part number.
| Number of Bores | OD | ID | Each | |
6" Lg. | ||||
|---|---|---|---|---|
| 2 | 0.063" | 0.016" | 00000000 | 000000 |
| 2 | 0.094" | 0.025" | 00000000 | 0000 |
| 2 | 0.109" | 0.031" | 00000000 | 0000 |
| 2 | 0.125" | 0.031" | 00000000 | 0000 |
| 2 | 0.125" | 0.040" | 00000000 | 0000 |
| 2 | 0.156" | 0.052" | 00000000 | 0000 |
| 2 | 0.188" | 0.040" | 00000000 | 0000 |
| 2 | 0.188" | 0.047" | 00000000 | 0000 |
| 2 | 0.188" | 0.063" | 00000000 | 0000 |
| 2 | 0.200" | 0.052" | 00000000 | 0000 |
| 2 | 0.240" | 0.078" | 00000000 | 0000 |
| 2 | 0.250" | 0.063" | 00000000 | 0000 |
| 4 | 0.063" | 0.016" | 00000000 | 00000 |
| 4 | 0.085" | 0.024" | 00000000 | 00000 |
| 4 | 0.094" | 0.020" | 00000000 | 00000 |
| 4 | 0.109" | 0.020" | 00000000 | 0000 |
| 4 | 0.188" | 0.031" | 00000000 | 0000 |
| 4 | 0.188" | 0.047" | 00000000 | 0000 |
| 4 | 0.219" | 0.050" | 00000000 | 0000 |
| 4 | 0.258" | 0.078" | 00000000 | 0000 |
18" Lg. | ||||
| 2 | 0.063" | 0.016" | 00000000 | 00000 |
| 2 | 0.094" | 0.025" | 00000000 | 00000 |
| 2 | 0.109" | 0.031" | 00000000 | 00000 |
| 2 | 0.125" | 0.031" | 00000000 | 00000 |
| 2 | 0.125" | 0.040" | 00000000 | 00000 |
| 2 | 0.156" | 0.052" | 00000000 | 00000 |
| 2 | 0.188" | 0.040" | 00000000 | 00000 |
| 2 | 0.188" | 0.047" | 00000000 | 00000 |
| 2 | 0.188" | 0.063" | 00000000 | 00000 |
| 2 | 0.200" | 0.052" | 00000000 | 00000 |
| 2 | 0.240" | 0.078" | 00000000 | 00000 |
| 2 | 0.250" | 0.063" | 00000000 | 00000 |
| 4 | 0.063" | 0.016" | 00000000 | 00000 |
| 4 | 0.085" | 0.024" | 00000000 | 00000 |
| 4 | 0.094" | 0.020" | 00000000 | 00000 |
| 4 | 0.109" | 0.020" | 00000000 | 00000 |
| 4 | 0.188" | 0.031" | 00000000 | 00000 |
| 4 | 0.188" | 0.047" | 00000000 | 00000 |
| 4 | 0.219" | 0.050" | 00000000 | 00000 |
| 4 | 0.258" | 0.078" | 00000000 | 00000 |
24" Lg. | ||||
| 2 | 0.063" | 0.016" | 00000000 | 00000 |
| 2 | 0.094" | 0.025" | 00000000 | 00000 |
| 2 | 0.109" | 0.031" | 00000000 | 00000 |
| 2 | 0.125" | 0.031" | 00000000 | 00000 |
| 2 | 0.125" | 0.040" | 00000000 | 00000 |
| 2 | 0.156" | 0.052" | 00000000 | 00000 |
| 2 | 0.188" | 0.040" | 00000000 | 00000 |
| 2 | 0.188" | 0.047" | 00000000 | 00000 |
| 2 | 0.188" | 0.063" | 00000000 | 00000 |
| 2 | 0.200" | 0.052" | 00000000 | 00000 |
| 2 | 0.240" | 0.078" | 00000000 | 00000 |
| 2 | 0.250" | 0.063" | 00000000 | 00000 |
| 4 | 0.063" | 0.016" | 00000000 | 00000 |
| 4 | 0.085" | 0.024" | 00000000 | 00000 |
| 4 | 0.094" | 0.020" | 00000000 | 00000 |
| 4 | 0.109" | 0.020" | 00000000 | 00000 |
| 4 | 0.188" | 0.031" | 00000000 | 00000 |
| 4 | 0.188" | 0.047" | 00000000 | 00000 |
| 4 | 0.219" | 0.050" | 00000000 | 00000 |
| 4 | 0.258" | 0.078" | 00000000 | 00000 |
Nonporous Alumina Ceramic Rods and Discs
- Color: White
- Max. Temperature: 3075° F
- Fabrication: Fired
- Porosity: 0%
- Compressive Strength: 300,000 psi
Seal out air and gas in high-temperature and high-wear applications. This ultrahard ceramic can also be used in applications that require superior strength.
For technical drawings and 3-D models, click on a part number.
12" Lg. | |||
|---|---|---|---|
| Dia. | Dia. Tolerance | Each | |
| 1/16" | -0.003" to 0.003" | 00000000 | 000000 |
| 1/8" | -0.004" to 0.004" | 00000000 | 00000 |
| 3/16" | -0.006" to 0.006" | 00000000 | 00000 |
| 13/64" | -0.006" to 0.000" | 00000000 | 00000 |
| 1/4" | -0.008" to 0.008" | 00000000 | 00000 |
| 5/16" | -0.009" to 0.009" | 00000000 | 00000 |
| 3/8" | -0.011" to 0.011" | 00000000 | 00000 |
| 1/2" | -0.015" to 0.015" | 00000000 | 00000 |
| 5/8" | -0.019" to 0.019" | 00000000 | 00000 |
| 3/4" | -0.023" to 0.023" | 00000000 | 00000 |
Nonporous Alumina Ceramic Powder
- Color: White
- Maximum Temperature: 3630° F
- Fabrication: See table
Alumina ceramics withstand higher temperatures than any other ceramic and are highly chemical resistant. This powder is high purity, so it’s inert even at high temperatures. Because alumina is ultra hard, it can be used in applications that require superior strength. It is also wear resistant, making it suitable for high-wear applications. Both thermally and electrically insulating, alumina can also be used in high-temperature and high-power electrical applications. Finished products made from alumina powder are nonporous, so they will seal out air and gas. Powder is often used in casting processes. Add it to slurries to create custom parts and tools such as crucibles, cutting tools, and laboratory ware. Alumina powder also is often used as a friction material, such as in brake linings.
99.3% aluminum oxide powder is slightly more reactive than 99.5% aluminum oxide powder because it’s less pure. It’s commonly used for polishing, lapping, and buffing.
99.5% aluminum oxide powder is more pure than 99.3% aluminum oxide, so it’s less reactive. It’s often used in the ceramic, glass, and foundry industries.
Certificates with a traceable lot number are available for these products. Download certificates from ACTIVITY after your order ships.
| Particle Size | Mesh Size | Fabrication | Each | |
5 lb. Pail | ||||
|---|---|---|---|---|
99.3% Aluminum Oxide | ||||
Fine Grit | ||||
| 4-7 microns | __ | Heat Treated | 00000000 | 000000 |
| 70 microns | __ | Heat Treated | 00000000 | 00000 |
99.5% Aluminum Oxide | ||||
Fine Grit | ||||
| 45 microns | -325 | __ | 00000000 | 00000 |
| 150 microns | -100 | __ | 00000000 | 00000 |
Medium Grit | ||||
| 300 microns | -48 | __ | 00000000 | 00000 |
| 300-600 microns | 24-48 | __ | 00000000 | 00000 |
Coarse Grit | ||||
| 600-1400 microns | 14-28 | __ | 00000000 | 00000 |
10 lb. Pail | ||||
99.3% Aluminum Oxide | ||||
Fine Grit | ||||
| 4-7 microns | __ | Heat Treated | 00000000 | 00000 |
| 70 microns | __ | Heat Treated | 00000000 | 00000 |
99.5% Aluminum Oxide | ||||
Fine Grit | ||||
| 45 microns | -325 | __ | 00000000 | 00000 |
| 150 microns | -100 | __ | 00000000 | 00000 |
Medium Grit | ||||
| 300 microns | -48 | __ | 00000000 | 00000 |
| 300-600 microns | 24-48 | __ | 00000000 | 00000 |
Coarse Grit | ||||
| 600-1400 microns | 14-28 | __ | 00000000 | 00000 |
25 lb. Pail | ||||
99.3% Aluminum Oxide | ||||
Fine Grit | ||||
| 4-7 microns | __ | Heat Treated | 00000000 | 00000 |
| 70 microns | __ | Heat Treated | 00000000 | 00000 |
99.5% Aluminum Oxide | ||||
Fine Grit | ||||
| 45 microns | -325 | __ | 00000000 | 00000 |
| 150 microns | -100 | __ | 00000000 | 00000 |
Medium Grit | ||||
| 300 microns | -48 | __ | 00000000 | 00000 |
| 300-600 microns | 24-48 | __ | 00000000 | 00000 |
Coarse Grit | ||||
| 600-1400 microns | 14-28 | __ | 00000000 | 00000 |
Nonporous Alumina Ceramic Beads
- Color: White
- Max. Temperature: 3075° F
- Fabrication: Fired
- Porosity: 0%
- Compressive Strength: 300,000 psi
Often used as wire insulation. Seal out air and gas in high-temperature and high-wear applications. This ultrahard ceramic can also be used in applications that require superior strength.
For technical drawings and 3-D models, click on a part number.
Tight-Tolerance Nonporous Alumina Ceramic Rods
- Color: White
- Max. Temperature: 3075° F
- Fabrication: Fired
- Porosity: 0%
- Compressive Strength: 300,000 psi
Seal out air and gas in high-temperature and high-wear applications. This ultrahard ceramic can also be used in applications that require superior strength.
For technical drawings and 3-D models, click on a part number.
| Dia. | Dia. Tolerance | Each | |
12" Lg. | |||
|---|---|---|---|
| 1/16" | -0.001" to 0.001" | 0000000 | 000000 |
| 5/64" | -0.001" to 0.001" | 0000000 | 00000 |
| 1/8" | -0.001" to 0.001" | 0000000 | 00000 |
| 3/16" | -0.001" to 0.001" | 0000000 | 00000 |
| 1/4" | -0.001" to 0.001" | 0000000 | 00000 |
| 3/8" | -0.001" to 0.001" | 0000000 | 00000 |
| 1/2" | -0.001" to 0.001" | 0000000 | 00000 |
24" Lg. | |||
| 1/16" | -0.001" to 0.001" | 0000000 | 00000 |
| 5/64" | -0.001" to 0.001" | 0000000 | 00000 |
| 1/8" | -0.001" to 0.001" | 0000000 | 00000 |
| 3/16" | -0.001" to 0.001" | 0000000 | 000000 |
| 1/4" | -0.001" to 0.001" | 0000000 | 000000 |
| 3/8" | -0.001" to 0.001" | 0000000 | 000000 |
| 1/2" | -0.001" to 0.001" | 0000000 | 000000 |
36" Lg. | |||
| 1/8" | -0.001" to 0.001" | 0000000 | 000000 |
| 3/16" | -0.001" to 0.001" | 0000000 | 000000 |
| 1/4" | -0.001" to 0.001" | 0000000 | 000000 |
| 3/8" | -0.001" to 0.001" | 0000000 | 000000 |
| 1/2" | -0.001" to 0.001" | 0000000 | 000000 |
Nonporous Alumina Ceramic Balls
- Color: White
- Max. Temperature: 2000° F
- Fabrication: Fired
- Porosity: 0%
- Compressive Strength: 300,000 psi
Seal out air and gas in high-temperature and high-wear applications. This ultrahard ceramic can also be used in applications that require superior strength.
For technical drawings and 3-D models, click on a part number.
| Dia. | Dia. Tolerance | Sphericity | Each | |
| 1/8" | -0.0001" to 0.0001" | 99.9975% | 0000000 | 00000 |
| 3/16" | -0.0001" to 0.0001" | 99.9975% | 0000000 | 0000 |
| 7/32" | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
| 1/4" | -0.0001" to 0.0001" | 99.9975% | 0000000 | 0000 |
| 9/32" | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
| 5/16" | -0.0001" to 0.0001" | 99.9975% | 0000000 | 0000 |
| 3/8" | -0.0001" to 0.0001" | 99.9975% | 0000000 | 0000 |
| 1/2" | -0.0001" to 0.0001" | 99.9975% | 0000000 | 0000 |
| 5/8" | -0.0010" to 0.0010" | 99.99% | 0000000 | 00000 |
| 3/4" | -0.0010" to 0.0010" | 99.99% | 0000000 | 00000 |
| 1" | -0.0010" to 0.0010" | 99.99% | 0000000 | 00000 |
| 3mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
| 4mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
| 5mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
| 7mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
| 8mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
| 9mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
| 10mm | -0.0001" to 0.0001" | 99.99% | 000000 | 00000 |
| 11mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
| 12mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 00000 |
| 16mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 00000 |
| 17mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 00000 |
| 20mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 00000 |
| 25mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 00000 |