JOINT CARBIDE CO., LTD.
Our mission: to provide the best overall polishing solution for the machinery manufacturing industry.
Add to Cart
Professional High Hardness Die Grinder Drill Bits 6mm Shank Diameter
Carbide Tree Burrs
Use for rounding off edges and making concave cuts. Use the pointed end for cutting in hard to reach areas and acute angled contours.
Carbide Inverted Cone Burrs
Use inverted cone shaped tungsten carbide burrs for making v-cuts and rear side chamfering.
Carbide Pointed Cone & Carbide Round Nose or Ball Nose Burrs
Good for rounded edges and surface finishing in difficult to reach areas or tight and narrow angles and contours. The round nose or ball nose cone are often referred to as a taper shape.
Cylinder Burrs. Round Nose/Ball nose/End Cut
Choose from an end cut cylinder (with a cutting edge on the end) for contour finishing. Cylinder without end cut (flat on the end and no cutting edge) for contour finishing and right angled corners or a round nose or ball nose shape which is a cylinder shaped carbide burr but with a rounded head.
Oval Burrs
Flame Burrs
A wheel shaped burr with a smooth top and fluted sides. Great for channel work and shaping.
Countersink Burrs
Choose from 60 degree or 90 degree angle countersink burs, sometimes referred to carbide cone burrs. These are ideal for beveling, counterboring, chamfering and for getting into acute angled areas of your work.
Technical date
| S.N. | MATERIAL |
| 1a | Steel |
| 1b | Hard steels |
| 2 | Stainless steel |
| 3 | Cast iron |
| 4 | Titanium |
| 5 | Nickel |
| 6 | Copper/Copper alloys |
| 7 | Aluminum |
| 8 | Plastics |
| 9 | Cement |
Guide to running speeds
| mat nr. MAX RPM | 3mm/0.123" 90,000 | 6mm/0.250" 50,000 | 10mm/0.375" 40,000 | 12mm/0.500" 35,000 | 16mm/0.625' 25,000 |
| 1a | 60,000-80,000 | 35,000-45,000 | 22,500-35,000 | 20,000-30,000 | 15,000-20,000 |
| 1b | 60,000-80,000 | 30,000-45,000 | 19,000-30,000 | 15,000-22,500 | 12,000-18,000 |
| 2 | 60,000-80,000 | 30,000-45,000 | 19,000-30,000 | 15,000-22,500 | 12,000-18,000 |
| 3 | 45,000-80,000 | 22,500-45,000 | 15,000-35,000 | 11,000-30,000 | 9,000-20,000 |
| 4 | 60,000-80,000 | 30,000-45,000 | 19,000-30,000 | 15,000-22,500 | 12,000-18,000 |
| 5 | 60,000-80,000 | 30,000-45,000 | 19,000-30,000 | 15,000-22,500 | 12,000-18,000 |
| 6 | 45,000-80,000 | 22,500-45,000 | 15,000-35,000 | 11,000-30,000 | 3,000-20,000 |
| 7 | 30,000-80,000 | 15,000-45,000 | 10,000-35,000 | 7,000-30,000 | 6,000-20,000 |
| 8 | 30,000-80,000 | 15,000-45,000 | 10,000-35,000 | 7,000-30,000 | 6,000-20,000 |
| 9 | 60,000-80,000 | 30,000-45,000 | 19,000-30,000 | 15,000-22,500 | 12,000-18,000 |