Strength weld removal

Special Heads

KRAIS Tube Expanders
KRAIS Tube Expanders

STRENGTH WELD REMOVAL
BIT: HSS 6% Cobalt
DEGREE: 37.5°

Custom designed head dedicated for strength weld removal. The heads are sized per tube diameter and are precisely engineered so that the inserts cannot damage the shaft or locking jaws. Simple, trouble-free set up makes these heads very advantageous.

STWRMH

HEAD NR TUBE CAPACITY RANGE [INCH] RANGE [MM] IN- SERT NO. OF INSERTS SHAFT
[INCH] [MM] BWG MIN MAX MIN MAX
STWRMH-190 0,750 19,05 12-23 0,530 1,46 13,50 37,00 WRI 2 901 MM#151 12,4 mm
STWRMH-222 0,875 22,23 12-23 0,650 1,496 16,50 38,00 WRI 2 905 MM#151 13,9 mm
STWRMH-254 1,000 25,40 10-23 0,732 1,654 18,60 42,00 WRI 2 909 MM#151 16,9 mm
STWRMH-285 1,125 28,58 10-23 0,858 1,772 21,80 45,00 WRI 2 915 MM#151 20 mm
STWRMH-317 1,250 31,75 9-23 0,945 1,850 24,00 47,00 WRI 2 STD shat 20 mm or 22
STWRMH-381 1,500 38,10 8-23 1,142 2,047 29,00 52,00 WRI 2 STD shat 20 mm or 23
STWRMH-444 1,750 44,45 8-23 1,417 2,244 36,00 57,00 CDI 2 STD shat 20 mm or 24
STWRMH-508 2,000 50,80 6-23 1,575 2,480 40,00 63,00 CDI 2 STD shat 20 mm or 25
STWRMH-571 2,250 57,15 6-23 1,811 2,717 46,00 69,00 CDI 2 STD shat 20 mm or 26
STWRMH-603 2,375 60,33 6-23 1,949 2,854 49,50 72,50 CDI 2 STD shat 20 mm or 27
STWRMH-635 2,500 63,50 6-23 2,067 2,972 52,50 75,50 CDI 2 STD shat 20 mm or 28
STWRMH-762 3,000 76,20 6-23 2,579 3,484 65,50 88,50 CDI 2 STD shat 20 mm or 29
STWRMH-889 3,500 88,90 6-23 3,071 3,976 78,00 101,00 CDI 2 STD shat 20 mm or 30
STWRMH-900 4,000 101,60 6-23 3,563 44,69 90,50 113,50 CDI 2 STD shat 20 mm or 31

STWRPM

HEAD NR TUBE CAPACITY RANGE [INCH] RANGE [MM] IN- SERT NO. OF INSERTS SHAFT
[INCH] [MM] BWG MIN MAX MIN MAX
STWRPM-190 0,750 19,05 12-23 0,530 1,46 13,50 37,00 WRI 2 901 MM#151 12,4 mm
STWRPM-222 0,875 22,23 12-23 0,650 1,496 16,50 38,00 WRI 2 905 MM#151 13,9 mm
STWRPM-254 1,000 25,40 10-23 0,732 1,654 18,60 42,00 WRI 2 909 MM#151 16,9 mm
STWRPM-285 1,125 28,58 10-23 0,858 1,772 21,80 45,00 WRI 2 915 MM#151 20 mm
STWRPM-317 1,250 31,75 9-23 0,945 1,850 24,00 47,00 WRI 2 STD shat 20 mm or 22
STWRPM-381 1,500 38,10 8-23 1,142 2,047 29,00 52,00 WRI 2 STD shat 20 mm or 23
STWRPM-444 1,750 44,45 8-23 1,417 2,244 36,00 57,00 CDI 2 STD shat 20 mm or 24
STWRPM-508 2,000 50,80 6-23 1,575 2,480 40,00 63,00 CDI 2 STD shat 20 mm or 25
STWRPM-571 2,250 57,15 6-23 1,811 2,717 46,00 69,00 CDI 2 STD shat 20 mm or 26
STWRPM-603 2,375 60,33 6-23 1,949 2,854 49,50 72,50 CDI 2 STD shat 20 mm or 27
STWRPM-635 2,500 63,50 6-23 2,067 2,972 52,50 75,50 CDI 2 STD shat 20 mm or 28
STWRPM-762 3,000 76,20 6-23 2,579 3,484 65,50 88,50 CDI 2 STD shat 20 mm or 29
STWRPM-889 3,500 88,90 6-23 3,071 3,976 78,00 101,00 CDI 2 STD shat 20 mm or 30
STWRPM-900 4,000 101,60 6-23 3,563 44,69 90,50 113,50 CDI 2 STD shat 20 mm or 31