Pin retainer for Delmhorst hammer and two-pin electrodes
The threaded retainer that clamps a contact pin into the electrode head. It is a wear part: the thread and the clamping face give out long before the electrode does.
Fitment
Specifications
| Part number |
632 |
| Function |
Holds contact pins in the electrode head |
| Sold as |
Each |
Keep them hand tight
Delmhorst is specific about this: retainers should be hand tightened. A retainer done up with pliers strips its thread, and then the pin moves under hammer load and the reading wanders.
Frequently asked questions
How do I know the retainer is worn rather than the pin?
If a new pin still works loose after a few drives, or the retainer no longer bites when hand tightened, replace the retainer.
What is the difference between this and the 631 chuck?
The 631 chuck is the body the retainer threads into. They are separate wear parts on the same assembly and fit the same three electrodes.
Is this the retainer for my 21-E?
No. The 21-E and 18-ES use the 305RET-0021 retainer, which is sized for the longer 608 pins.
For every other Delmhorst pin and retainer, see the Delmhorst Contact Pins and Retainers Guide (PDF).
Not sure which part fits your meter or electrode? Send us the model and what you are testing, and we will confirm the correct part before you order.
