Support > Safety > Rotary Coolant Adapter (RCA)
Rotary Coolant Adapter (RCA)
The Rotary Coolant Adapter (RCA) is a cost-effective system that provides the ability to utilize modern through-coolant cutting tools on machines that do not have through-spindle coolant. CNC machines with automatic tool change and machines with manual clamping systems can both utilize the RCA.

For use with:
  • T-A drill holders
  • Structural steel T-A drill holders
  • Universal drill holders
Technical Information

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1
Nonrotating member of machine
2
Spindle
3
Hose
4
Hose Fitting
5
Rotary Coolant Adapter
6
Thrust Washer
7
Retaining Ring
8
T-A Drill Holder
9
Stud to provide positive stop
10
Stud assembled into RCA
WARNING: RCA rotation during drilling can cause hose and/or hose fitting failure, machinery damage and/or serious injury. To prevent, use RCA and positive stop studs when drilling. Factory technical assistance is also available for your specific applications.
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Imperial or MetricItem NumberInner Diameter (ID)Outer Diameter (OD):Length (L1):Thread for Driving Rod (Thread)Pipe Tap (P1)Max Recommended RPM** Repair Kits*** RCA O-Ring Replacement
 2T-2SR 3/4" 1-3/4" 7/8" 5/16" - 18 1/8 3500 2T1-2SR 2T1-2OR-10
 2T-3SR 1" 2-1/8" 1-1/8" 5/16" - 18 1/8 2500 2T1-3SR 2T1-3OR
 2T-4SR 1-1/4" 2-1/2" 1-3/8" 3/8" - 16 1/4 2000 2T1-4SR 2T1-4OR-10
 2T-5SR 1-3/4" 3" 1-3/8" 3/8" - 16 1/4 1500 2T1-5SR 2T1-5OR-10
 2T-6SR 2-1/4" 3-3/4" 1-3/4" 1/2" - 13 1/2 1100 2T1-6SR 2T1-6OR-10
 2T-55SR 2-1/2" 4" 1-3/4" 1/2" - NC 1/2 1100 2T1-55SR 2T1-55OR-10
 2T-60SR 3" 4-1/2" 1-3/4" 1/2" - NC 1/2 900 2T1-60SR 2T1-60OR-10
 2T-65SR 3-3/4" 5-1/2" 1-3/4" 1/2" - NC 1/2 700 2T1-65SR 2T1-65OR-10
 2T-2SRM 19.05 44.45 22.23 M8 x 1.25 1/8* 3500 2T1-2SR 2T1-2OR-10
 2T-3SRM 25.40 53.97 28.57 M8 x 1.25 1/8* 2500 2T1-3SR 2T1-3OR-10
 2T-4SRM 31.75 63.50 34.92 M10 x 1.50 1/4* 2000 2T1-4SR 2T1-4OR-10
 2T-5SRM 44.45 76.20 34.92 M10 x 1.50 1/4* 1500 2T1-5SR 2T1-5OR-10
 2T-6SRM 57.15 95.27 44.45 M12 x 1.75 1/2* 1100 2T1-6SR 2T1-6OR-10
NOTE: Rotary Coolant Adapter comes complete with: (1) RCA, (2) O-Rings, (2) Snap-Rings, and (2) Thrust Washers.

*Thread to BSP and ISO 7-1


**Repair Kit includes: (2) O-Rings, (2) Snap Rings, and (2) Thrust Washers.

***Rotary Coolant Adapter O-Ring Replacement: 10 pieces per package.
Warning Image
WARNING:   RCA rotation during drilling can cause hose and/or hose fitting failure, machinery damage and/or serious injury.  To prevent, use RCA and positive stop studs when drilling. Factory technical assistance is also available for your specific applications.