Vacuum
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-Many special screw specifications that typically require custom manufacturing elsewhere are available as standard items from NBK.
They efficiently discharge gas accumulated in screw holes or drilled holes, achieving stability in vacuum levels and high vacuum.
The gas vent holes in NBK's vacuum equipment screws are processed in a way that minimally affects the metal structure, reducing the risk
of brittle fracture during use and the generation of outgassing in vacuum environments.
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| Part Name | Vented Hex Head Screws | Vented Hex Socket Flat Head Machine Screws | Vented Cross Recessed Flat Head Machine Screws | Vented Cross Recessed Flat Head Machine Screws - Titanium | Vented Cross Recessed Pand Head Machine Screws | Vented Cross Recessed Pand Head Machine Screws - Titanium | Vented Inch Socket Head Cap Screws | Vented Socket Head Cap Screws - MOS2 Shot | Vented Socket Head Cap Screws - Silver Plating |
| Part Number | SVHS | SVFCS | SVFS | SVFT | SVPS | SVPT | SVSS(INCH) | SVSS-MOS | SVSS-AG |
| Feature | Hex head screws | Hex Socket CountersunkHead Screws Small Space |
Flat Head Machine Screws Small Space |
Titanium Phillips Cross Recessed Flat Head Machine Screw Low outgas Nonmagnetic |
Pan Head Machine Screws | Titanium Phillips Cross Recessed Pan Head Machine Screw Low outgas Nonmagnetic |
Inch Thread Socket Head Cap Screws |
Seizing prevention | Seizing prevention |
| Price | From 43.72 USD | From 52.93 USD | From 53.95 USD | From 69.57 USD | From 40.98 USD | From 64.29 USD | From 45.74 USD | From 71.41 USD | From 9.09 USD |
| Material | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | Grade 2 Titanium | SUSXM7 (Equivalent to SUS304) | Grade 2 Titanium | Equivalent to SUS304 | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) |
| Surface Treatment | - | - | - | Special Chemical Polishing | - | Special Chemical Polishing | - | Molybdenum Disulfide Shot Treatment | Silver plating |
| Thread Size | M3 ～ M8 | M3 ～ M8 | M2 ～ M6 | M3 ～ M4 | M3 ～ M8 | M3 ～ M5 | No.4-40UNC ～ 1/4-20UNC | M3 ～ M8 | M3 ～ M8 |
| Operating Temperature (℃) | - | - | - | - | - | - | - | - | - |
| CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD |
| Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications |
| List | SVHS-M3 SVHS-M4 SVHS-M5 SVHS-M6 SVHS-M8 | SVFCS-M3 SVFCS-M4 SVFCS-M5 SVFCS-M6 SVFCS-M8 | SVFS-M2 SVFS-M2.6 SVFS-M3 SVFS-M4 SVFS-M5 SVFS-M6 | SVFT-M3 SVFT-M4 | SVPS-M3 SVPS-M4 SVPS-M5 SVPS-M6 SVPS-M8 | SVPT-M3 SVPT-M4 SVPT-M5 | SVSS-#10-24 SVSS-#10-32 SVSS-#4-40 SVSS-#5-40 SVSS-#6-32 SVSS-#8-32 SVSS-1/4-20 | SVSS-M3-MOS SVSS-M4-MOS SVSS-M5-MOS SVSS-M6-MOS SVSS-M8-MOS | SVSS-M3-AG SVSS-M4-AG SVSS-M5-AG SVSS-M6-AG SVSS-M8-AG |
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| Part Name | Flanged Socket Head Cap Screws - Specialized Chemical Polishing | Socket Head Cap Screws - 316L Stainless Steel - Specialized Chemical Polishing | High Strength Stainless Steel Socket Head Cap Screws - Specialized Chemical Polishing | Hex Socket Head Cap Screws - Super Black | Hex Socket Head Cap Screws - Low Temperature Black Chrome | Flanged Socket Head Cap Screws - Low Temperature Black Chrome Treatment | High Strength Stainless Steel Socket Head Cap Screws – Low Temperature Black Chrome Treatment | Socket Head Cap Captive Screws - Low Temperature Black Chrome Treatment | Titanium Hex Socket Head Cap Screws with Captive Washers |
| Part Number | SFSS-PC | SNSL-PC | SNSLG-PC | SNSS-BK | SNSS-RY | SFSS-RY | SNSLG-RY | SSC-RY | SNSI1T |
| Feature | Flanged Low Outgas |
Heat Resistance Corrosion Resistance Non-magnetic Low Outgas |
High Strength (Strength Class 10.8 Equivalent) Low Outgas Non-magnetic |
Reflection Resistance Corrosion Resistance |
Chemical Resistance Reflection Resistance Seizing Prevention |
Flanged Chemical Resistance Anti-reflection Seizing Prevention |
High Strength (Strength Class 10.8 Equivalent) Non-magnetic Chemical Resistance Anti-reflection Seizing Prevention |
Chemical Resistance Anti-reflection Seizing Prevention Captive / Loss Prevention |
Captive Washers I=1 |
| Price | From 33.96 USD | From 9.61 USD | From 19.55 USD | From 22.11 USD | From 10.07 USD | From 12.36 USD | From 11.68 USD | From 13.73 USD | From 6.23 USD |
| Material | SUSXM7 (Equivalent to SUS304) | SUS316L | SUS316L | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUS316L | SUSXM7 (Equivalent to SUS304) | Grade 2 Titanium |
| Surface Treatment | Special Chemical Polishing | Special Chemical Polishing | Special Chemical Polishing | Stainless Steel Black | Low temperature black chrome treatment | Low temperature black chrome treatment | Low temperature black chrome treatment | Low temperature black chrome treatment | Special Chemical Polishing |
| Thread Size | M4 ～ M8 | M3 ～ M8 | M3 ～ M6 | M2 ～ M10 | M3 ～ M10 | M4 ～ M8 | M3 ～ M6 | M3 ～ M8 | M3 ～ M6 |
| Operating Temperature (℃) | - | - | - | - | - | - | - | - | - |
| CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD |
| Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications |
| List | SFSS-M4-PC SFSS-M5-PC SFSS-M6-PC SFSS-M8-PC | SNSL-M3-PC SNSL-M4-PC SNSL-M5-PC SNSL-M6-PC SNSL-M8-PC | SNSLG-M3-PC SNSLG-M4-PC SNSLG-M5-PC SNSLG-M6-PC | SNSS-M10-BK SNSS-M2-BK SNSS-M3-BK SNSS-M4-BK SNSS-M5-BK SNSS-M6-BK SNSS-M8-BK | SNSS-M10-RY SNSS-M3-RY SNSS-M4-RY SNSS-M5-RY SNSS-M6-RY SNSS-M8-RY | SFSS-M4-RY SFSS-M5-RY SFSS-M6-RY SFSS-M8-RY | SNSLG-M3-RY SNSLG-M4-RY SNSLG-M5-RY SNSLG-M6-RY | SSC-M3-RY SSC-M4-RY SSC-M5-RY SSC-M6-RY SSC-M8-RY | SNSI1T-M3 SNSI1T-M4 SNSI1T-M5 SNSI1T-M6 |
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