Jewelry Making

Handmade jewelry

Handmade jewelry (or handmade jewellery) is jewelry which has been assembled and formed by hand rather than through the use of machines. According to the guidelines of the Federal Trade Commission, in the United States in order to be stamped or called “handmade” the work must be made solely by hand power or hand guidance. This means that jewelry may be made using drills, lathes, or other machinery, but it must be guided by the human hand. This precludes the use of punch presses, CNC machinery, and casting, to name a few processes the use of which would make the jewelry not qualify as “handmade”. Beyond that, handmade jewelry can be made out of any material and with a wide variety of techniques.

The American Gem Trade Association Spectrum awards, the Gem Center Idar Oberstein, and the De Beers Awards include awards for handmade jewelry.

The oldest handmade jewerly trademark is in Florence, Italy.

Uses for Carbide Burrs

Use carbide burrs in air tools such as die grinders, pneumatic rotary tools and high speed engravers. Micro Motors, Pendant Drills, Flexible Shafts, and hobby rotary tools such as a Dremel.

Carbide burrs are widely used for metalworking, tool making, engineering, model engineering, wood carving, jewelry making, welding, chamferring, casting, deburring, grinding, cylinder head porting and sculpting. Carbide burrs are used in the aerospace, automotive, dentistry, stone and metalsmith industries.

What cut should you choose?

Single cut (one flute) carbide burrs have a right handed (up cut) spiral flute. Single cut is used with stainless steel, hardened steel, copper, cast iron and ferrous metals and will remove material quickly with a smooth finish. Use for heavy stock removal, milling, deburring and cleaning.

Heavy removal of material
Milling
Deburring
Cleaning
Creates long chips

Use double cut carbide burrs on ferrous and non ferrous metals, aluminium, soft steel and also for all non-metal materials such as stone, plastics, hard wood and ceramic. This cut has more cutting edges and will remove material faster. Double cut also called Diamond Cut or Cross Cut (2 flutes cut across each other) and will leave a smoother finish than single cut due to producing smaller chips as they cut away the material. Use double cut for medium-light stock removal, deburring, finishing and cleaning. Double cut carbide burrs are most popular and work for most applications.

Medium- light removal of material
Deburring
Fine finishing
Cleaning
Smooth finish
Creates small chips

What RPM speed should you use?

The speed at which you use your carbide burr in your rotary tool will depend on the material you’re using it on and the contour being produced but it’s safe to say you do not need more than 35,000 RPM. If the burs are chipping easily this could be due to the speed being too slow. It’s ideal to start the bur off slow, increasing the speed as you go along. High speeds will prevent clogging in the flutes of your carbide burs.

As with all drill bits and burrs, let the burr do the work and apply only a little pressure, otherwise the cutting edges of the flutes will chip away or become smooth too quickly, reducing the life of your burr.

Our carbide burrs we manufacture are machine ground from a specially chosen grade of carbide. Due to the extreme hardness of the tungsten carbide, they can be used on much more demanding jobs than HSS (High Speed Steel). Carbide Burrs also perform better at higher temperatures than HSS, so you can run them hotter, and for longer. HSS burrs will start to soften at higher temperatures, so carbide is always a better choice for long term performance.

carbide burr die grinder bit

SA-1/2 DIAMOND Cut Carbide Burr
The most abrasive carbide tool we make!

 

tool extension

Need a longer reach for your carbide tool bits?
Try our 4″ and 9″ long tool extensions on sale today!

 

reducing collet

Did you know you can use your 1/8″ Dremel tool bits in your 1/4″ die grinder?
Just use our reducing collet adapter. On sale today!

 

Click here if you are interested in dropshipping our USA made carbide burr tools.

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