Products

Helical Coolant ducts
Precision Ground Rod, 3 helical hole 40 degree

h6 tolerance

3 helical hole 30 degree

Recommended Grades
MH10F/UH12
Features
A. Threaded carbide rod with holes are mainly used for processing tungsten parts or as a tool bit of processing lathe, conductors, steel-making burdening and additives;

B. They are also applied in crankshaft, cylinder burdening and electrodes for advanced automobiles; 

C. They are also produced as components for manufacturing of artillery, rockets, satellites, aircrafts and ships. In addition, helical coolant ducts can be also used as radiation-proof material in nuclear industry.
Specification
tungsten carbide rod

Precision Ground Rod, 3 Helical Hole 30 degree
Type: R3H30
Metric Sizes 6mm to 20mm Diameter
h6 tolerance

Item No. OD Tol. h6 L TOL TK TOL d TOL Pitch
(mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm)
R3H30-0600-3300PG 6 0/-0.008 330 0/+5 2.75 ±0.20 0.5 ±0.15 32.65
R3H30-0800-3300PG 8 0/-0.009 330 0/+5 3.85 ±0.20 0.7 ±0.15 43.53
R3H30-1000-3300PG 10 0/-0.009 330 0/+5 4.95 ±0.30 0.85 ±0.20 54.41
R3H30-1200-3300PG 12 0/-0.011 330 0/+5 6.05 ±0.40 1.1 ±0.20 65.3
R3H30-1400-3300PG 14 0/-0.011 330 0/+5 7.05 ±0.40 1.4 ±0.20 76.18
R3H30-1600-3300PG 16 0/-0.011 330 0/+5 8.05 ±0.40 1.6 ±0.20 87.06
R3H30-1800-3300PG 18 0/-0.011 330 0/+5 9.25 ±0.50 1.7 ±0.25 97.95
R3H30-2000-3300PG 20 0/-0.013 330 0/+5 9.85 ±0.50 1.9 ±0.25 108.83
tungsten carbide rod

Unground Rod, 3 Helical Hole 30 degree
Type: R3H30
Metric Sizes 6mm to 20mm Diameter

Item No. OD Tol. L TOL TK TOL d TOL Pitch
(mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm)
R3H30-0630-3300UG 6.3 +0.3/+0.7 330 0/+5 2.75 ±0.20 0.5 ±0.15 32.65
R3H30-0830-3300UG 8.3 +0.3/+0.7 330 0/+5 3.85 ±0.20 0.7 ±0.15 43.53
R3H30-1030-3300UG 10.3 +0.3/+0.7 330 0/+5 4.95 ±0.30 0.85 ±0.20 54.41
R3H30-1230-3300UG 12.3 +0.4/+0.9 330 0/+5 6.05 ±0.40 1.1 ±0.20 65.3
R3H30-1430-3300UG 14.3 +0.4/+0.9 330 0/+5 7.05 ±0.40 1.4 ±0.20 76.18
R3H30-1630-3300UG 16.3 +0.4/+0.9 330 0/+5 8.05 ±0.40 1.6 ±0.20 87.06
R3H30-1830-3300UG 18.3 +0.4/+1.0 330 0/+5 9.25 ±0.50 1.7 ±0.25 97.95
R3H30-2030-3300UG 20.3 +0.4/+1.0 330 0/+5 9.85 ±0.50 1.9 ±0.25 108.83
History
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