Rusty Coil Spring FORGED into a KUNAI
Alot of People demanded me to make a kunai out of a rusted coil spring so today i am making this knife today. I tried my best and must share your opinions about the finished product and it was a great fun to make it. So, guys sit back relax and enjoy the video.
Overall Kunai Length :10.5 Inches
Handle Length : 5 Inches
Blade Length : 5.5 Inches
Weight : 280 grams
All the Processes are below of making this beautiful KUNAI:
Forging:
It took me hours and hours to hand forge a big steel spring piece into a flat Metal Strip. I don't have a power hammer so all forging process was done with hand hammer. I made a plane piece and bent it over and tried forge welding but that piece did not match my required results so then in second attempt i do forging again and this time i go with simple and easy forging
Lathe:
That was not easy to hold it in center but I use my lathe machine to make the round shape of the handle
Grinding:
Grinding was a tough part I started some rough grindings on my old Belt sander and then with some angle grinder and turned that piece into a Kunai shaped long steel piece. I also hand sanded the edges with the help of file to remove flat the surface.
Hardness:
Kunai must be hardened and the way to make it hard is to heat up upto critical temperature and then suddenly quench into the oil. Tempering the Kunai is the best way to increase the Strength, Hardness and Toughness of the knife and it also reduces the brittleness of the steel.
Rusty Coil Spring FORGED into a KUNAI
#Forging
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Turning a Rusty Bearing into a Beautiful but Razor Sharp BUTTERFLY KNIFE
First of all I am thankful to you for giving 14 minutes of your worthy time. Today i am making a Razor Sharp and Shiny Butterfly Knife. This is my one of the best and favorite made ever i hope you guys will Like this video and Also i had alot of fun while making this knife. If you wanna make this knife here are some instructions and Physical Properties of this knife:
Overall Weight = 238 Grams or 0.238 KG
Overall Length = Almost 10 Inches or 254 mm
Handle size = 6.5 Inches or 165 mm
Steel Material = 52100 Hard Bearing steel
Carbon Presence = 1.0% to 1.1%
Chromium Presence = 1.6%
Quenching Temperature = 850 Degree Celsius
Tempering Temperature = 250 to 300 Degree Celsius
Precautions:
Always wear leather gloves while sanding knives. Always keep a First Aid Kit at your work place.
Turning a Rusty Bearing into a Beautiful but Razor Sharp BUTTERFLY KNIFE
#Turning
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