38 Clipless Click Pen - C63000 Nickel Aluminum Bronze - Round Nose - Schmidt Short Rollerball P8126 Refill

Preview Listing - Look out for an email when these are released.

A hefty C63000 Nickel Aluminum Bronze unit. I am liking rollerball refills more these days, but these refills may need some some tuning when replacing them. The metal tip often has a small burr where it joins, and I've had to use a bit of fine sandpaper to take it off.

Please note there is a limit of one item per customer for this release. 

I have a batch of these ready to go now for immediate shipment. Unfortunately I am unable to offer any extra units at this time, I have run out of springs. I am going to take some time while I am waiting for more, to work on a new clip design, and finish fixing my other milling machine before this running one breaks down again.

It will take me a few days to get them all shipped out after the release. Thanks for following along, let me know what you think about this design and send requests for future designs.

Design in a 0.38"(9.65 mm) diameter. Smooth and tough C63000 Bronze. Uses a 1/8" (0.125") bearing ball and a custom made precision secondary spring. Tip details are extremely tight with a small land between the refill, and the radiused section.

Minimal and clean design coupled with the Schmidt P8126 refill. Proper allowance and a custom precision spring allow the refill to operate very smoothly. 

Pinch the mechanism between your index finger and thumb to retract the mechanism with a satisfying snap. The click and return is very solid and super satisfying. Tolerances, fit and finish for the mechanism are very close.

Tip point details are very clean with an excellent tight fitting 2.5 mm diameter bore and a tolerance of just 25 micron to keep the refill tip exactly in place.

Higbee thread start to the pen body to make the thread action for replacing the refill better. Added a new locking feature that should keep the mechanism from unscrewing without the need for an o-ring or loctite.

This version is 4.85" (123.19 mm) long, 0.38" (9.65 mm) in diameter, and weighs 35.40 g (1.25 oz).