CY CARBIDE MFG. CO., LTD.
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Rods with Helical Coolant Holes

Designed for optimal cooling and chip evacuation, CYC's rods with helical coolant holes are perfect for high-speed cutting and drilling operations. These rods enhance tool life by reducing thermal stress during machining, ensuring greater precision and efficiency. Available in various configurations, they provide exceptional performance for deep hole drilling and other demanding applications.


Features of Rods with Helical Coolant Holes


  1. 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;

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

  3. 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 of Rods with Helical Coolant Holes

Precision Ground Rod 2 Helical Coolant Holes 30 degree (Metric Sizes 3mm to 32mm Diameter)

Rods with Helical Coolant Holes


Type: R2H30

Metric Sizes 3mm to 32mm Diameter h6 tolerance



ltem No.ODTol. h6LTol.TKTol.dTol.Pitch
(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)
R2H30-0300-3300PG30/-0.0063300/+51.6±0.10.4±0.1016.32
R2H30-0400-3300PG40/-0.0083300/+52.1±0.10.6±0.1021.77
R2H30-0500-3300PG50/-0.0083300/+52.1±0.20.7±0.1027.21
R2H30-0600-3300PG60/-0.0083300/+52.4±0.20.7±0.1032.65
R2H30-0700-3300PG70/-0.0093300/+53.5±0.21.0±0.1538.09
R2H30-0800-3300PG80/-0.0093300/+53.8±0.21.0±0.1543.53
R2H30-0900-3300PG90/-0.0093300/+54.5±0.31.4±0.1548.97
R2H30-1000-3300PG100/-0.0093300/+54.5±0.31.4±0.1554.41
R2H30-1100-3300PG110/-0.0113300/+54.9±0.41.4±0.1559.86
R2H30-1200-3300PG120/-0.0113300/+55.85±0.41.4±0.1565.30
R2H30-1300-3300PG130/-0.0113300/+56.1±0.41.75±0.270.74
R2H30-1400-3300PG14

0/-0.011

3300/+56.7±0.41.75±0.276.18
R2H30-1500-3300PG150/-0.0113300/+57.3±0.41.75±0.281.62
R2H30-1600-3300PG160/-0.0113300/+57.9±0.41.75±0.287.06
R2H30-1700-3300PG170/-0.0113300/+58.5±0.41.75±0.292.50
R2H30-1800-3300PG180/-0.0113300/+59.15±0.42.0±0.2597.95
R2H30-2000-3300PG190/-0.0133300/+59.9±0.52.0±0.25108.83
R2H30-2200-3300PG220/-0.0133300/+511.1±0.52.0±0.25119.71
R2H30-2500-3300PG250/-0.0133300/+512.8±0.52.0±0.25136.03
R2H30-2600-3300PG260/-0.0133300/+513.3±0.52.0±0.25141.48
R2H30-2800-3300PG280/-0.0133300/+514.2±0.52.5±0.25152.36
R2H30-3200-3300PG320/-0.0133300/+516.0±0.52.5±0.25174.12



Type: R2H30

Metric Sizes 3mm to 32mm Diameter


ltem No.ODTol. LTol.TKTol.dTol.Pitch
(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)
R2H30-0330-3300UG3.3+0.3/+0.73300/+51.6±0.10.4±0.1016.32
R2H30-0430-3300UG4.3+0.3/+0.73300/+52.1±0.10.6±0.1021.77
R2H30-0530-3300UG5.3+0.3/+0.73300/+52.1±0.20.7±0.1027.21
R2H30-0630-3300UG6.3+0.3/+0.73300/+52.4±0.20.7±0.1032.65
R2H30-0730-3300UG7.3+0.3/+0.73300/+53.5±0.21.0±0.1538.09
R2H30-0830-3300UG8.3+0.3/+0.73300/+53.8±0.21.0±0.1543.53
R2H30-0930-3300UG9.3+0.3/+0.73300/+54.5±0.31.4±0.1548.97
R2H30-1030-3300UG10.3+0.3/+0.73300/+54.5±0.31.4±0.1554.41
R2H30-1130-3300UG11.3+0.4/+0.93300/+54.9±0.41.4±0.1559.86
R2H30-1230-3300UG12.3+0.4/+0.93300/+55.85±0.41.4±0.1565.30
R2H30-1330-3300UG13.3+0.4/+0.93300/+56.1±0.41.75±0.270.74
R2H30-1430-3300UG14.3+0.4/+0.93300/+56.7±0.41.75±0.276.18
R2H30-1530-3300UG15.3+0.4/+0.93300/+57.3±0.41.75±0.281.62
R2H30-1630-3300UG16.3+0.4/+0.93300/+57.9±0.41.75±0.287.06
R2H30-1730-3300UG17.3+0.4/+1.03300/+58.5±0.41.75±0.292.50
R2H30-1830-3300UG18.3+0.4/+1.03300/+59.15±0.42.0±0.2597.95
R2H30-2030-3300UG20.3+0.4/+1.03300/+59.9±0.52.0±0.25108.83
R2H30-2230-3300UG22.3+0.4/+1.03300/+511.1±0.52.0±0.25119.71
R2H30-2530-3300UG25.3+0.4/+1.03300/+512.8±0.52.0±0.25136.03
R2H30-2630-3300UG26.3+0.4/+1.03300/+513.3±0.52.0±0.25141.48
R2H30-2830-3300UG28.3+0.4/+1.03300/+514.2±0.52.5±0.25152.36
R2H30-3230-3300UG32.3+0.4/+1.03300/+516.0±0.52.5±0.25174.12
  • Above data are typical parameters.

Precision Ground Rod 2 Helical Coolant Holes 40 degree (Metric Sizes 6mm to 25mm Diameter)

Rods with Helical Coolant Holes

Type: R2H40

Metric Sizes 6mm to 25mm Diameter h6 tolerance


ltem No.ODTol. h6LTol.TKTol.dTol.Pitch
(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)
R2H40-0600-3300PG60/-0.0083300/+52.0±0.150.50±0.1022.46
R2H40-0800-3300PG80/-0.0093300/+52.4±0.300.65±0.1529.95
R2H40-1000-3300PG100/-0.0093300/+53.1±0.400.80±0.1537.44
R2H40-1200-3300PG120/-0.0113300/+53.8±0.400.90±0.1544.93
R2H40-1400-3300PG140/-0.0113300/+54.3±0.401.00±0.2052.42
R2H40-1600-3300PG160/-0.0113300/+55.1±0.401.20±0.2059.90
R2H40-1800-3300PG180/-0.0113300/+55.9±0.401.40±0.2567.39
R2H40-2000-3300PG200/-0.0133300/+56.6±0.501.50±0.2574.88
R2H40-2200-3300PG220/-0.0133300/+57.2±0.501.70±0.2582.35
R2H40-2500-3300PG250/-0.0133300/+57.6±0.501.75±0.2593.58


Type: R2H40

Metric Sizes 6mm to 25mm Diameter


ltem No.ODTol. LTol.TKTol.dTol.Pitch
(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)
R2H40-0630-3300UG6.3+0.3/+0.73300/+52.0±0.150.50±0.1022.46
R2H40-0830-3300UG8.3+0.3/+0.73300/+52.4±0.300.65±0.1529.95
R2H40-1030-3300UG10.3+0.3/+0.73300/+53.1±0.400.80±0.1537.44
R2H40-1230-3300UG12.3+0.4/+0.93300/+53.8±0.400.90±0.1544.93
R2H40-1430-3300UG14.3+0.4/+0.93300/+54.3±0.401.00±0.2052.42
R2H40-1630-3300UG16.3+0.4/+0.93300/+55.1±0.401.20±0.2059.90
R2H40-1830-3300UG18.3+0.4/+1.03300/+55.9±0.401.40±0.2567.39
R2H40-2030-3300UG20.3+0.4/+1.03300/+56.6±0.501.50±0.2574.88
R2H40-2230-3300UG22.3+0.4/+1.03300/+57.2±0.501.70±0.2582.35
R2H40-2530-3300UG25.3+0.4/+1.03300/+57.6±0.501.75±0.2593.58
  • Above data are typical parameters.

Precision Ground Rod 3 Helical Coolant Holes 30 degree (Metric Sizes 6mm to 20mm Diameter)

Rods with Helical Coolant Holes

Type: R3H30

Metric Sizes 6mm to 20mm Diameter h6 tolerance


ltem No.ODTol. h6LTol.TKTol.dTol.Pitch
(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)
R3H30-0600-3300PG60/-0.0083300/+52.75±0.200.5±0.1532.65
R3H30-0800-3300PG80/-0.0093300/+53.85±0.200.7±0.1543.53
R3H30-1000-3300PG100/-0.0093300/+54.95±0.300.85±0.2054.41
R3H30-1200-3300PG120/-0.0113300/+56.05±0.401.1±0.2065.30
R3H30-1400-3300PG140/-0.0113300/+57.05±0.401.4±0.2076.18
R3H30-1600-3300PG160/-0.0113300/+58.05±0.401.6±0.2087.06
R3H30-1800-3300PG180/-0.0113300/+59.25±0.501.7±0.2597.95
R3H30-2000-3300PG200/-0.0133300/+59.85±0.501.9±0.25108.83


Type: R3H30

Metric Sizes 6mm to 25mm Diameter


ltem No.ODTol. LTol.TKTol.dTol.Pitch
(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)
R3H30-0630-3300UG6.3+0.3/+0.73300/+52.75±0.200.5±0.1532.65
R3H30-0830-3300UG8.3+0.3/+0.73300/+53.85±0.200.7±0.1543.53
R3H30-1030-3300UG10.3+0.3/+0.73300/+54.95±0.300.85±0.2054.41
R3H30-1230-3300UG12.3+0.4/+0.93300/+56.05±0.401.1±0.2065.30
R3H30-1430-3300UG14.3+0.4/+0.93300/+57.05±0.401.4±0.2076.18
R3H30-1630-3300UG16.3+0.4/+0.93300/+58.05±0.401.6±0.2087.06
R3H30-1830-3300UG18.3+0.4/+1.03300/+59.25±0.501.7±0.2597.95
R3H30-2030-3300UG20.3+0.4/+1.03300/+59.85±0.501.9±0.25108.83
  • Above data are typical parameters.

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