Double Ball Plungers, PWF
Brand :
NBK
Caution
Product Description
Mini ball plungers containing balls at both ends. Enables positioning on both surfaces.
Features of PWF Double Ball Plunger
Product image
Dimensional drawing
| Product number | D1 | D2 | L | L1 | s | D | Load (N) min./max. | Weight (g) |
|---|---|---|---|---|---|---|---|---|
| PWF-2.5 | 2.5 | 2.52 | 5.3 | 2.5 | 0.65 | 2 | 1.3 /2.5 | 0.1 |
| PWF-3 | 3 | 3.02 | 7.3 | 2.5 | 0.8 | 2.5 | 2/4.5 | 0.2 |
| PWF-4 | 4 | 4.03 | 9 | 3 | 0.9 | 3 | 2.5 /7.5 | 0.6 |
| PWF-5 | 5 | 5.03 | 10.8 | 3 | 1.2 | 4 | 3.5 /8 | 1.2 |
| PWF-7 | 7 | 7.03 | 14 | 4 | 2 | 6 | 4/ 12 | 3 |
| PWF-8 | 8 | 8.03 | 18 | 4 | 2.1 | 6.5 | 6/ 15 | 5 |
Unit: mm
Material/finish
| PWF | |
|---|---|
| Main body | Brass |
| Ball | SUS440C (Hardness 54-60 HRC) |
| Spring | Equivalent to SUS631 |
- The minimum load (initial load) represents the load when one of the balls on both sides begins to sink. (Fig. 1)
- The maximum load represents the load when the balls on both sides are completely sunk. (Fig. 2)