Anti-Reflective
These screws are suitable for use in optical equipment due to their extremely low spectral reflectance achieved through special surface treatments.
Low-temperature black chrome treatment and stainless steel black have extremely low spectral reflectance, making them ideal for optical equipment requiring anti-reflection properties.

Selection Conditions
- Select screw length(mm)20
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|---|---|---|---|---|---|---|---|---|---|
| Part Name | Hex Socket Head Cap Screws - Super Black | Hex Socket Head Cap Screws - Super Black | Hex Socket Head Cap Screws - Super Black | Hex Socket Head Cap Screws - Super Black | Hex Socket Head Cap Screws - Super Black | Hex Socket Head Cap Screws - Super Black | Hex Socket Head Cap Screws - Low Temperature Black Chrome | Hex Socket Head Cap Screws - Low Temperature Black Chrome | Hex Socket Head Cap Screws - Low Temperature Black Chrome |
| Part Number | SNSS-M3-20-BK | SNSS-M4-20-BK | SNSS-M5-20-BK | SNSS-M6-20-BK | SNSS-M8-20-BK | SNSS-M10-20-BK | SNSS-M3-20-RY | SNSS-M4-20-RY | SNSS-M5-20-RY |
| Feature | Reflection Resistance Corrosion Resistance |
Reflection Resistance Corrosion Resistance |
Reflection Resistance Corrosion Resistance |
Reflection Resistance Corrosion Resistance |
Reflection Resistance Corrosion Resistance |
Reflection Resistance Corrosion Resistance |
Chemical Resistance Reflection Resistance Seizing Prevention |
Chemical Resistance Reflection Resistance Seizing Prevention |
Chemical Resistance Reflection Resistance Seizing Prevention |
| Material | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) |
| Thread Size | M3 | M4 | M5 | M6 | M8 | M10 | M3 | M4 | M5 |
| Length | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Operating Temperature (℃) | - | - | - | - | - | - | - | - | - |
| CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD |
| Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications |
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|---|---|---|---|---|---|---|---|---|---|
| Part Name | Hex Socket Head Cap Screws - Low Temperature Black Chrome | Hex Socket Head Cap Screws - Low Temperature Black Chrome | Hex Socket Head Cap Screws - Low Temperature Black Chrome | Flanged Socket Head Cap Screws - Low Temperature Black Chrome Treatment | Flanged Socket Head Cap Screws - Low Temperature Black Chrome Treatment | Flanged Socket Head Cap Screws - Low Temperature Black Chrome Treatment | Flanged Socket Head Cap Screws - Low Temperature Black Chrome Treatment | High Strength Stainless Steel Socket Head Cap Screws – Low Temperature Black Chrome Treatment | High Strength Stainless Steel Socket Head Cap Screws – Low Temperature Black Chrome Treatment |
| Part Number | SNSS-M6-20-RY | SNSS-M8-20-RY | SNSS-M10-20-RY | SFSS-M4-20-RY | SFSS-M5-20-RY | SFSS-M6-20-RY | SFSS-M8-20-RY | SNSLG-M3-20-RY | SNSLG-M4-20-RY |
| Feature | Chemical Resistance Reflection Resistance Seizing Prevention |
Chemical Resistance Reflection Resistance Seizing Prevention |
Chemical Resistance Reflection Resistance Seizing Prevention |
Flanged Chemical Resistance Anti-reflection Seizing Prevention |
Flanged Chemical Resistance Anti-reflection Seizing Prevention |
Flanged Chemical Resistance Anti-reflection Seizing Prevention |
Flanged Chemical Resistance Anti-reflection Seizing Prevention |
High Strength (Strength Class 10.8 Equivalent) Non-magnetic Chemical Resistance Anti-reflection Seizing Prevention |
High Strength (Strength Class 10.8 Equivalent) Non-magnetic Chemical Resistance Anti-reflection Seizing Prevention |
| Material | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUS316L | SUS316L |
| Thread Size | M6 | M8 | M10 | M4 | M5 | M6 | M8 | M3 | M4 |
| Length | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Operating Temperature (℃) | - | - | - | - | - | - | - | - | - |
| CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD | CAD |
| Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications |
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|---|---|---|---|---|---|---|---|---|---|
| Part Name | High Strength Stainless Steel 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 | Socket Head Cap Captive Screws - Low Temperature Black Chrome Treatment | Socket Head Cap Captive Screws - Low Temperature Black Chrome Treatment | Socket Head Cap Captive Screws - Low Temperature Black Chrome Treatment | |||
| Part Number | SNSLG-M5-20-RY | SNSLG-M6-20-RY | SSC-M4-20-RY | SSC-M5-20-RY | SSC-M6-20-RY | SSC-M8-20-RY | |||
| Feature | High Strength (Strength Class 10.8 Equivalent) Non-magnetic 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 |
Chemical Resistance Anti-reflection Seizing Prevention Captive / Loss Prevention |
Chemical Resistance Anti-reflection Seizing Prevention Captive / Loss Prevention |
Chemical Resistance Anti-reflection Seizing Prevention Captive / Loss Prevention |
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| Material | SUS316L | SUS316L | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | |||
| Thread Size | M5 | M6 | M4 | M5 | M6 | M8 | |||
| Length | 20 | 20 | 20 | 20 | 20 | 20 | |||
| Operating Temperature (℃) | - | - | - | - | - | - | |||
| CAD | CAD | CAD | CAD | CAD | CAD | CAD | |||
| Specifications | Specifications | Specifications | Specifications | Specifications | Specifications | Specifications |
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