Marking Knives - Adding Handles
If you are interested in learning how to put scales or handle material on your new CPM 10V marking knife. Please watch the video from USA Knifemaker where the brass cutler rivets were purchased. In the future, there will be a DFM version specific for this knife.
The text version of instructions specific to your marking knife blade can be found here:
Step 1 - choose handle material such that the final total thickness of the handle, including the 0.100” blade is between 0.6” and 0.95” if you want to be able to countersink the rivets.
Step 2 - drill through the two blanks using a number 21 drill bit (0.159”) or if you dont have an index set, you can use a 5/32” (0.1562”) drill bit to get your hole centers through the marking knife, using the marking knife laser cut holes as your template.
Step 3 - leaving the two scales clamped to each other, grab a larger drill bit, Index size 19 ( 0.166”) or 11/64” (0.1719”) and drill the scales again to allow expansion of the rivets. If you do not, wood scales may crack now or in the future.
Step 4 - Check the alingment using the female side of the rivets to make sure everything lines up, including the marking knife blade in your assembly.
Step 5 - Optional - You can countersink your rivets using a larger drill bit tip. 1/4” (0.25”) will work, but do not engage the entire tip if you want the rivet flush. Just kiss the part and progessively go deeper and check with the rivet. The rivet is about 0.045” thick or just a bit over 1/32” so it does not take much.
Step 6 - (Epoxy is optional here between the blade and scales. If you used the larger drill bit in Step 3, it may help with any wiggle)
Once you are happy with the dry fit, you can line up the scales and blade on the female rivets and make sure you have a metal plate or the anvil on your bench vise. If not, you will make a nice rivet head size dent in your wooden table. Pound the Male Rivet in from the top. I recommend holding it with some tape or needle nose pliers to get it started to avoid smashing fingers.
Step 7 - Once assembled ( if you use epoxy, wait the recommended cure time) you are now ready to shape the handle to its final dimensions using files and sandpaper to the finish level you desire. Placing blue painters tape over the exposed blade is recommended to help avoid sanding marks
Still Have Questions?
Please email me at belknap.jt at gmail dot com and I will get back to you!