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
RCA Rotate
RCA Rotate
RCA Angle
RCA with T-A
RCA with HP
Technical Information

1
Non-rotating member of machine
2
Spindle
3
Hose
4
Hose Fitting
5
Rotary Coolant Adapter
6
Thrust Washer
7
Retaining Ring
8
TA 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.
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:   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.