Recommended Carbide Rods Grade for PCB Tools
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Grade Code
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Cobalt%
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GrainMicron
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Densityg/cc
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HardnessHRA
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TRSN/mm2
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Porosity
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RD06UF
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6
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0.5
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14.95
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93.5
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4000
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RD07UF
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7
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0.5
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14.8
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93.2
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3900
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RD075F
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7.5
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0.4
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14.7
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93.8
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4000
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Grade Code
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Characteristics and Application
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RD06UF
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Submicron Grain Size, very good wear-reistance and thoughess,it is recommended for Normal Drills and PCB Drill Bits
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RD07UF
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Submicron Grain Size with high wear-resistance and high toughenss,suitable to make the PCB Drill Bits above 0.7 mm, and Normal Drill Bits
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RD075UF
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Ultra fine Grain Size with very high wear-resistance and toughenss,suitable to make the PCB Drill Bits, PCB Milling Cutter above 1.2 mm, and other solid Carbide Tools.
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Specification
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Diameter
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Tolerance
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Length
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Diameter
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mm
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mm
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mm
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mm
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3.21 x 38.5
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3.21
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0/+0.02
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38.5
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+/-0.05
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3.25 x 38.5
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3.25
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0/+0.02
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38.5
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+/-0.05
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3.50 x 38.5
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3.50
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0/+0.02
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38.5
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+/-0.05
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3.75 x 38.5
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3.75
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0/+0.02
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38.5
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+/-0.05
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4.00 x 38.5
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4.00
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0/+0.02
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38.5
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+/-0.05
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4.25 x 38.5
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4.25
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0/+0.02
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38.5
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+/-0.05
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4.50 x 38.5
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4.50
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0/+0.02
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38.5
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+/-0.05
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4.75 x 38.5
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4.75
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0/+0.02
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38.5
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+/-0.05
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5.00 x 38.5
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5.00
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0/+0.02
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38.5
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+/-0.05
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5.25 x 38.5
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5.25
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0/+0.02
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38.5
|
+/-0.05
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5.50 x 38.5
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5.50
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0/+0.02
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38.5
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+/-0.05
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5.75 x 38.5
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5.75
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0/+0.02
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38.5
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+/-0.05
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6.00 x 38.5
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6.00
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0/+0.02
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38.5
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+/-0.05
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6.25 x 38.5
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6.25
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0/+0.02
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38.5
|
+/-0.05
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6.50 x 38.5
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6.50
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0/+0.02
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38.5
|
+/-0.05
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6.75 x 38.5
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6.75
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0/+0.02
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38.5
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+/-0.05
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7.00 x 38.5
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7.00
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0/+0.02
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38.5
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+/-0.05
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7.25 x 38.5
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7.25
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0/+0.02
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38.5
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+/-0.05
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3.5 x 12.8
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3.50
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+0.4/+0.2
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12.8
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+1.0/+0.4
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4.0 x 12.8
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4.00
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+0.4/+0.2
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12.8
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+1.0/+0.4
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4.5 x 12.8
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4.50
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+0.4/+0.2
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12.8
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+1.0/+0.4
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5.0 x 12.8
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5.00
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+0.4/+0.2
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12.8
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+1.0/+0.4
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6.0 x 12.8
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6.00
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+0.4/+0.2
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12.8
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+1.0/+0.4
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6.5 x 12.8
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6.50
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+0.4/+0.2
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12.8
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+1.0/+0.4
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6.85 x 12.8
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6.85
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+0.4/+0.2
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12.8
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+1.0/+0.4
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