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MM TS-DG
Double-Groove Internal Grooving Heads with Threaded
Connection, for Tube Sheets of Heat Exchangers

0.45 max.
depth of cut A l L5 T Ts

D D2

0.6 R0.3 Typx4
3 6 3 A L3

Dimensions

IC908
Designation D4 (1) D Ts Z L5 L3 l D2 T (2)
MM TS155-04T10-8238 15.88 15.50 T10 4 30.20 8.40 14.10 16.00 13.0 l
MM TS185-04T12-8239 19.05 18.50 T12 4 31.20 8.80 14.50 20.00 16.0 l
MM TS245-04T15-8240 25.40 24.50 T15 4 37.40 11.00 14.40 23.90 20.0 l
• For shanks, see pages 63-71 • For Clamping keys (should be ordered separately), tightening torques and clamping instructions, see page 8. • Do not apply
lubricant to the threaded connection. • For user guide, see pages 72-84.
(1) For minimum tube outer diameter. (2) Clamping wrench size

Spare Parts
Designation Wrench
MM TS155-04T10-8238 MM KEY 13X8*
MM TS185-04T12-8239 MM KEY 16X9*
MM TS245-04T15-8240 MM KEY 20*
* (Optional, should be ordered separately)

24 ISCAR