![]() I did a write-up as part of this post of why it’s so important to use the correct size countersinking pilot. To be consistent when countersinking, I use a Microstop Countersink drill guide and a 120 degree countersink pilot cutter. NOMINAL CHERRYMAX OVERSIZE CHERRYMAX RIVET DRILL HOLE SIZE RIVET DRilL HOLE SIZE DIAMETER SIZE MIN. Some of the parts, such as the fiberglass tips or thicker metal pieces (from the EAA Sheet metal course I took, I learned the rule of thumb is metal ticker than 0.04 inches) need to be countersunk. Since the project is using Pulled Rivets, the angle of the countersunk pulled rivets is 120 degrees, as opposed to solid aviation rivets, which use 100 degrees.įor that purpose, the factory has specific dimple dies for the thinner parts that are dimpled for flush riveting. CherryMAX Rivets consist of four components, assembled as a single unit: A fully-serrated stem with break notch, shear-ring and integral grip adjustment cone. Countersinking & Dimpling for flush riveting RIVET TRIMMER Part Number: HT2 For trimming the stems of 3/16' and smaller cherrymax aluminum rivets. You must use 1/32 inch diameter larger to obtain the necessary strength. The factory has already drilled most of the holes, except for a few that need match drilling like the fiberglass tips.įor some minor alignment issues, I’m using some chucking reamer bits to correct the hole. CHERRYMAX RIVET ASSORTMENT Part Number: CM25 An assortment of 125 rivets 25 each of the most popular sizes: CR, CR, CR, CR and CR. You cannot replace a solid shank rivet with the same size of this type rivet. I’ve also made myself a handy little reference block out of wood so I can quickly check sizing while I’m in the garage. The kit has a lot of different measurements, so I’ve compiled some information for drilling, countersinking and rivet sizing.
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