PT25 · Washers & Spacers
Spherical Washer
Two-piece concave/convex washer set that corrects for studs that are not square to the clamping surface.
- 9 part numbers with full dimensions
- Material: S45C (JIS) / CK45 (DIN)
- Heat treated: HRC 38°
Spherical Washer part numbers & dimensions
9 part numbers. All dimensions in millimetres (mm) unless noted; letters match the dimension drawing. On a phone, swipe the table sideways. Tap “Quote” to email us about a part.
Dimension drawing
| Model No. | ØA | B | ØC | ØD | R | kg | Quote |
|---|---|---|---|---|---|---|---|
| PT25-0819 | 19 | 6.2 | 10 | 9 | 30 | 0.013 | Quote |
| PT25-1022 | 22 | 8.0 | 12 | 11 | 30 | 0.019 | Quote |
| PT25-1226 | 26 | 7.5 | 15 | 13 | 32 | 0.024 | Quote |
| PT25-1428 | 28 | 9.0 | 16 | 15 | 40 | 0.033 | Quote |
| PT25-1632 | 32 | 9.0 | 19 | 17 | 40 | 0.058 | Quote |
| PT25-1835 | 35 | 10.0 | 20 | 19 | 40 | 0.050 | Quote |
| PT25-2040 | 40 | 11.8 | 23 | 21 | 48 | 0.089 | Quote |
| PT25-2245 | 45 | 12.5 | 26 | 24 | 70 | 0.110 | Quote |
| PT25-2450 | 50 | 13.5 | 28 | 27 | 70 | 0.150 | Quote |
Material & specifications
- Material: S45C (JIS) / CK45 (DIN)
- Heat treated: HRC 38°
- Surface finish: black oxide
- Application: two-piece washer that compensates whenever a stud and clamping surface are not exactly perpendicular
Ordering the Spherical Washer
Send us the PT25 part numbers and quantities you need and we will reply with pricing and lead time. Not sure which size fits your fixture? Email info@clampsupply.com or call (619) 704-3113 and we will help you choose. Please confirm critical dimensions before machining your fixture.