SCAP-AL
Cover Caps / Socket Head Cap Screws for Cover Caps
Dimension Drawing
Dimensions/Specifications/CAD
| Part Number | M | H | D1 | h | a | ta | Recommended Torque (N・m) | SCAP Part No. | Qty per Pack | Mass (g) |
|---|---|---|---|---|---|---|---|---|---|---|
| SCAP-3-AL | 5×0.5 | 5 | 7 | 2 | 0.8 | 0.6 | 0.1 | SNCPS-M3 | 1 | 0.4 |
| SCAP-4-AL | 6×0.75 | 7 | 8 | 2.8 | 1.2 | 1 | 0.15 | SNCPS-M4 | 1 | 0.6 |
| SCAP-5-AL | 8×0.75 | 8 | 10 | 3.5 | 1.2 | 1 | 0.3 | SNCPS-M5 | 1 | 1 |
| SCAP-6-AL | 10×0.75 | 9 | 12 | 4 | 1.6 | 1.2 | 0.4 | SNCPS-M6 | 1 | 1.5 |
| SCAP-8-AL | 12×1 | 11 | 14 | 5 | 2 | 1.8 | 0.6 | SNCPS-M8 | 1 | 2.3 |
| SCAP-10-AL | 16×1 | 12 | 18 | 6 | 2.5 | 2 | 0.8 | SNCPS-M10 | 1 | 3.7 |
Material/Finish
| SCAP-AL Cover Caps | SCAP-CE Cover Caps | SNCPS Cap Screws | |
|---|---|---|---|
| Main Body | A5056 | Al2O3 （99.5％ Alumina） | SUSXM7 （S.S. grade：A2） |
| Strength Class | A2-50 |
Application
Film formation equipment, etching devices, FPD production equipment, and semiconductor devices
Characteristics
- Combine SCAP Cover Cap and SNCPS Socket Head Cap Screw for Cover Cap.
- These caps prevent the corrosion of screw heads due to vacuum chamber processing gas and plasma.
- SSCAP has 2 material types as standard.
SCAP-AL—-Aluminum alloy
SCAP-CE—-Ceramic - The screw connection section is made of stainless steel, so this product has a higher tightening strength than aluminum or ceramic screws.
- Other requested materials such as Inconel＊ and Hastelloy＊ can be used for Cover Caps.
＊Inconel is a registered trademark of Special Metals Corporation.
＊Hastelloy is a registered trademark of Haynes International, Inc.
Usage example
After tightening SNCPS Socket Head Cap Screw for Cover Cap, assemble SCAP Cover Cap so that it covers the head of SNCPS.
Ensure that the tightening torque of SCAP does not exceed the recommended torque in the chart.
Precautions for Use
Corrosion resistance changes depending on use conditions. Always carry out tests under conditions same as actual conditions before use.
