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Better than a Button
The Quick-Release Failsafe Rod Nut utilizes a double-ended collet with a total of eight fingers that grip the Failsafe Rod threads a full 360 degrees. So, the adjustment will not loosen after multiple cycles of the powder measure … unlike button-release nuts which engage the threads barely 180 degrees on just one side.
Features:
• Large 3/4″ Diameter with Knurling for Easy Adjustment
• Double-Ended Eight-Finger Collet Grips Failsafe Rod Securely
• Releases with Just 1 Full Turn of Cap
• Made from Durable Delrin®
• Works on all Dillon Powder Measures that have a Failsafe Rod
✓ Works on all versions of the Dillon Precision Powder Measure that have a
✓ Failsafe Rod (including, but not limited to, #20421, #22221 and #20782).
✓ Works on Dillon Belted Magnum Powder System.
✗ Cannot be used on RL 1000, RL 450 or RL 300 Powder Measures.
✗ Cannot be used on Big 50, BL 550, AT 500, RL 450 or RL 300 presses.
TIP: Also Fits Primer Follower Rod & Low Powder Sensor!


Primer Follower Rod
Fits the Primer Follower Rod … allowing you to adjust the level at which the Primer Early Warning System triggers. This can be used to give you a "Heads Up" that it is time to check your powder level. The Quick-Release Nut will grip the Primer Follower Rod at any level you desire, won't scar the plastic rod, and only adds 0.16oz (less than the weight of a .45 ACP case).
Low Powder Sensor
Fits the Low Powder Sensor follower rod … allowing you to adjust the powder level at which the Low Powder Sensor triggers. This can be handy for certain gunpowders that tend to meter less accurately when the powder level gets low. The Quick-Release Nut will grip the Follower Rod at any level you desire.
Another unique product from UniqueTek, Inc. Delrin is a registered trademark of DUPONT POLYMERS, INC. |
![]() Installation Instructions |
See Also
Specifications | |
Diameter | 3/4″ |
Length | 1.025″ |
Weight | 0.16oz (4.5g) |
Material | Delrin® |
Color | Red |
Customer Reviews
Average rating from 3 reviews: 5.0 |
It’s one of those parts which seems negligible, until you use it. I have them installed on all three of my Dillon presses.
It’s another innovative upgrade for your Dillon press.
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