Date Published:Jul. 05. 2022 Date Updated:Feb. 27. 2025
Washer fall-out prevention is required 【Workability/Maintenance】
Integrated washer type screws are available
Integrated washer type screws are available in order to prevent washer fall-out during equipment assembly or maintenance.
Washer loss inside vacuum chambers, etc., can be prevented.


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Material | SUSXM7 (Equivalent to SUS304) | SUS316L | SUS316L | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) | SUSXM7 (Equivalent to SUS304) |
Part Name | Hex Socket Head Cap Screws with Captive Washer and Ventilation Hole | Washer Integrated Hex Socket Head Cap Screws with Ventilation Hole - High Strength Stainless Steel | Washer Integrated Hex Socket Head Cap Screws - High Strength Stainless Steel | Hex Socket Head Cap Screws with Captive Washers(I=3) | Phillips Cross Recessed Pan Head Machine Screws with Captive Washers(I=1) | Phillips Cross Recessed Pan Head Machine Screws with Captive Washers(I=3) | Hex Socket Head Cap Screw with Captive Washer and Ventilation Hole(I=1) |
Part Number | SVSQS | SVSQLG | SNSQLG | SNSQS | SNPI1S | SNPI3S | SVSI1S |
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Material | TW340 (Grade 2 Titanium) | TW340 (Grade 2 Titanium) | Equivalent to SUS304 | Equivalent to SUS304 | SUSXM7 (Equivalent to SUS304) |
Part Name | Titanium Hex Socket Head Cap Screws with Captive Washers(I=1) | Titanium Hex Socket Head Cap Screws with Captive Washers(I=3) | Hexagon Head Screws with Captive Washer(P=2) | Hexagon Head Screws with Captive Washer(P=3) | Socket Head Cap Screws with Washers for Sheet Metal (SEMS) |
Part Number | SNSI1T | SNSI3T | SNHP2S | SNHP3S | SNSQS-SUC |
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Issue/case studies
Improved productivity/workability
Semiconductor Manufacturing Equipment
Special Screws