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Table 1: Impingement Port Cleanout Drill Sizes
Standard Round Slip-Fit Polycarballoy Mix Modules
Mix Module
Part No.
No. of
Impinge-
ment Ports
Impingement Port Drill Counterbore Drill
Drill Size
(nominal)
Drill Diameter
in. (mm)
Drill Size
(nominal)
Drill Diameter
in. (mm)
MR3535 2 #73 .0240 (0.61) N/A N/A
MR4747 2 #67 .0320 (0.81) N/A N/A
MR5757 3 #67 .0320 (0.81) N/A N/A
MR6666 4 #67 .0320 (0.81) N/A N/A
MR8282 4 #60 .0400 (1.02) N/A N/A
MR9494 4 #56 .0465 (1.18) N/A N/A
Standard Flat Slip-Fit Polycarballoy Mix Modules
Mix Module
Part No.
No. of
Impinge-
ment Ports
Impingement Port Drill Counterbore Drill
Drill Size
(nominal)
Drill Diameter
in. (mm)
Drill Size
(nominal)
Drill Diameter
in. (mm)
MF1818 1 #77 .0180 (0.46) #67 .0320 (0.81)
MF2929 1 #69 .0292 (0.74) N/A N/A
MF3535 2 #73 .0240 (0.61) N/A N/A
MF4747 2 #67 .0320 (0.81) N/A N/A
MF5757 3 #67 .0320 (0.81) N/A N/A
Direct Impingement Round Slip-Fit Polycarballoy Mix Modules
Mix Module
Part No.
No. of
Impinge-
ment Ports
Impingement Port Drill Counterbore Drill
Drill Size
(nominal)
Drill Diameter
in. (mm)
Drill Size
(nominal)
Drill Diameter
in. (mm)
XR2323 1 #74 .0230 (0.57) N/A N/A
XR2929 1 #69 .0292 (0.74) N/A N/A
XR3535 2 #73 .0240 (0.61) N/A N/A
XR4747 2 #67 .0320 (0.81) N/A N/A
XR5757 3 #67 .0320 (0.81) N/A N/A