Spherical Washer SQW/SQWS
Brand :
NBK
Caution
Product Description
[Features]
· Use as a set with the concave and convex parts.
· Absorbs misalignment between the bolt and seat surface up to a maximum of 3°.
[Applications]
· Absorbs misalignment between the bolt and seat surface.
Drawing
Convex Side
Concave Side
Concave and Convex Set
Product Specification
Material and Finish
SQW
Main body: S45C (hardness 25 to 30 HRC), black oxide coating (black)
SQWS
Main Body: SUS304
Specifications Table
SQW (steel, black oxide coating)
Unit: mm
| Part number | Nominal | D | d1 | d2 | t1 | t2 | t | R | Angle (°) | Weight (g) |
|---|---|---|---|---|---|---|---|---|---|---|
| SQW-3 | 3 | 7.3 | 3.5 | 3.8 | 1.3 | 1.6 | 2.3 | 8 | 2 | 0.7 |
| SQW-4 | 4 | 9.4 | 4.5 | 4.9 | 1.7 | 2 | 3 | 10.2 | 2 | 1.2 |
| SQW-5 | 5 | 11.5 | 5.5 | 6 | 2.1 | 2.5 | 3.7 | 12.5 | 2 | 2.2 |
| SQW-6 | 6 | 13 | 6.6 | 7.2 | 2.3 | 2.8 | 4.2 | 15 | 2 | 3.3 |
| SQW-8 | 8 | 17 | 9 | 9.6 | 3.1 | 3.7 | 5.6 | 20 | 2 | 7.1 |
| SQW-10 | 10 | 22 | 10.5 | 12 | 4 | 3.5 | 6 | 25 | 2 | 13 |
| SQW-12 | 12 | 26 | 13.5 | 15 | 5 | 4 | 7.5 | 30 | 2 | 22 |
SQWS (Stainless Steel)
Unit: mm
| Part number | Nominal | D | d1 | d2 | t1 | t2 | t | R | Angle (°) | Weight (g) |
|---|---|---|---|---|---|---|---|---|---|---|
| SQWS-3 | 3 | 7.3 | 3.5 | 3.8 | 1.3 | 1.6 | 2.3 | 8 | 2 | 0.7 |
| SQWS-4 | 4 | 9.4 | 4.5 | 4.9 | 1.7 | 2 | 3 | 10.2 | 2 | 1.2 |
| SQWS-5 | 5 | 11.5 | 5.5 | 6 | 2.1 | 2.5 | 3.7 | 12.5 | 2 | 2.3 |
| SQWS-6 | 6 | 13 | 6.6 | 7.2 | 2.3 | 2.8 | 4.2 | 15 | 2 | 3.2 |
| SQWS-8 | 8 | 17 | 9 | 9.6 | 3.1 | 3.7 | 5.6 | 20 | 2 | 7 |
| SQWS-10 | 10 | 23 | 11 | 12 | 4.1 | 4.9 | 7 | 25 | 2 | 18 |
| SQWS-12 | 12 | 25 | 14 | 15 | 4.5 | 5.6 | 8.4 | 30 | 2 | 22 |
Usage Example
