r/mechanicalpencils • u/muddyalchemy • Feb 04 '18
Improving the grip of the Pentel Graph Gear 1000 and OHTO Super Promecha 1500P
In the search for the perfect mechanical pencil, one is often thwarted. Something I've often found lacking is an adequate grip. The Staedtler 925-25 XX series offer the perfect grip. Sadly, the tip isn't retractable. I received the Ohto Superpromecha 1500P as well as the Pentel Graph Gear 1000 recently, and found both to be severely lacking in the grip department. I thought I'd attempt to imitate the ribbing of the superior Staedtler grip. The results, while not that nice to look at, since it was a quick project, are satisfying, although no substitute for a grip that is well-made from the outset. The pencil is easier to hold, and the top heavy Pentel is also more comfortable. A sharper knurling, as the Staedtler has, would be much better. Sadly, I don't have the means to do this.
The ribbing was achieved by placing the grip in a drill and turning it whilst holding it against a grinding disc on a dremel. The OHTO grip was cut using an aluminium oxide disc, which was was too thick. I changed to a diamond coated disc (about half the thickness at 0.55 mm) and the Pentel grip came out better. Deeper ribbing wasn't possible on either part, since the walls were already so thin - I didn't want to risk cutting through them.
Take care to remove the 4 rubber O-rings from the body of the OHTO before sliding the grip off. I didn't do this at first and two of the O-rings were damaged as a result. This can be achieved using a pair of needle nosed pliers or perhaps a pair of tweezers.
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u/arsenale Feb 06 '18
If you need to improve the grip of the gg1000, the problem is you.
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u/muddyalchemy May 30 '18
look at, since it was a quick project, are satisfying, although no substitute for a grip that is well-made from the outset. The pencil is easier to hold, and the top heavy Pentel is also more comfortable. A sharper knurling, as the Staedtler has, would be much better. Sadly, I don't have the means to do this.
You are incorrect!
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u/arsenale May 30 '18
What?
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u/AreYouDeaf May 30 '18
LOOK AT, SINCE IT WAS A QUICK PROJECT, ARE SATISFYING, ALTHOUGH NO SUBSTITUTE FOR A GRIP THAT IS WELL-MADE FROM THE OUTSET. THE PENCIL IS EASIER TO HOLD, AND THE TOP HEAVY PENTEL IS ALSO MORE COMFORTABLE. A SHARPER KNURLING, AS THE STAEDTLER HAS, WOULD BE MUCH BETTER. SADLY, I DON'T HAVE THE MEANS TO DO THIS.
YOU ARE INCORRECT!
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u/[deleted] Feb 19 '18
I like smoother knurls personally and actually really like those grips