Standard Extensions

Extensions for Modular Boring System Standard Extension Diagram

Standard Extensions Diagram
Calculate needed extension length (L)
to achieve your boring depth (BD)

Features

  • Extend boring depth
  • Two offset axial tapered locking screws
    maximize rigidity and allow fast tool changes

Coolant-thru Spindle Extension

The coolant-thru spindle extension provides coolant to the cutting zone for optimal stock removal rates.

Minimum recommended coolant pressure: 70psi

Coolant Thru Diagram
Part No.
Description
D
d
L
Screw
6552220 P-22-20
22
12
0.79"
6811510
6552230 P-22-30
22
12
1.18"
6811510
6552730 P-27-30
27
15
1.18"
6811520
6552745 P-27-45
27
15
1.77"
6811520
6553235 P-32-35
32
20
1.38"
6811530
6553252 P-32-52
32
20
2.05"
6811530
6554240 P-42-40
42
24
1.57"
6811540
6554260 P-42-60
42
24
2.36"
6811540
6555450 P-54-50
54
28
1.97"
6811550
6555475 P-54-75
54
28
2.95"
6811550
6556860 P-68-60
68
36
2.36"
6811560
6556890 P-68-90
68
36
3.54"
6811560
6558570 P-85-70
85
50
2.76"
6811570
6558510 P-85-105
85
50
4.13"
6811570
6551080 P-100-80
100
60
3.15"
6811580
6551012 P-100-120
100
60
4.72"
6811580

Coolant-thru Spindle Extension

Part No.
Description
D
d
L
Screw
6562230 P-22-30R
22
12
1.18"
6811510
6562730 P-27-30R
27
15
1.18"
6811520
6563235 P-32-35R
32
20
1.38"
6811530
6564240 P-42-40R
42
24
1.57"
6811540
6565450 P-54-50R
54
28
1.97"
6811550
6566860 P-68-60R
68
36
2.36"
6811560
6568570 P-85-70R
85
50
2.76"
6811570
6561080 P-100-80R
100
60
3.15"
6811580