Joints and Extensions

Parallel Gear Drive

L=235 W=33 H=70 mm

KRAIS Tube Expanders
TOOL FOR SQUARE DRIVE
[inch] [mm]
P-DRIVE-127 1/2” x 1/2” 12,7 x 12,7
P-DRIVE-190 3/4” x 3/4” 19,0 x 19,0
P-DRIVE-254 1” x 1” 25,4 x 25,4
KRAIS Tube Expanders

Parallel Gear Drive – designed for use inside the header boxes where hand holes are not in line with tube centerline.

Right Angle Gear Drive

L=292 W=45 H=98 mm

KRAIS Tube Expanders
TOOL FOR SQUARE DRIVE
[inch] [mm]
RA-DRIVE-127 1/2” x 1/2” 12,7 x 12,7
RA-DRIVE-190 3/4” x 3/4” 19,0 x 19,0
RA-DRIVE-254 3/4” x 1” 19 x 25,4
KRAIS Tube Expanders

Right Angle Gear Drive – designed for use inside header boxes where handholds are at right angle to the tube centerline. For hand and power use.

URH-1925 Universal Ratchet Handle

KRAIS Tube Expanders

Manual drive for tube expanders. One side 3/4” square drive, other side 1” square drive. Allows rotation transmitted by a retched mechanism.

Double Universal Joint

KRAIS Tube Expanders
SQUARE DRIVE TOOL CHUCK
[inch]
3/8" DUJ-3/8 -
3/8" DUJ-3/8-QCC QCC
1/2“ DUJ-1/2 -
1/2“ DUJ-1/2-QCC QCC
3/4” DUJ-3/4 FxF; FxM; MxM
1” DUJ-1 FxF; FxM; MxM
KRAIS Tube Expanders
KRAIS Tube Expanders

Double Universal Joint and Double Universal Joint with Quick Change Chuck.

Extensions

KRAIS Tube Expanders
KRAIS Tube Expanders
KRAIS Tube Expanders

Extensions and Extensions with Quick Change Chuck (QCC), Single and Double.

SQUARE DRIVE TOOL LENGTHS QCC
[inch] [inch] [mm]
3/8“ EXT-3/8 8; 12; 24; 36 200; 300; 600; 900 -
3/8“ EXT-3/8-QCC 8; 12; 24; 36 200; 300; 600; 900 1
3/8“ EXT-3/8-2QCC 8; 12; 24; 36 200; 300; 600; 900 2
1/2“ EXT-1/2 8; 12; 24; 36 200; 300; 600; 900 -
1/2“ EXT-1/2-QCC 8; 12; 24; 36 200; 300; 600; 900 1
1/2“ EXT-1/2-2QCC 8; 12; 24; 36 200; 300; 600; 900 2
3/4“ EXT-3/4 8; 12; 24; 36 200; 300; 600; 900 -
1“ EXT-1 8; 12; 24; 36 200; 300; 600; 900 -

Single Universal Joint

KRAIS Tube Expanders
KRAIS Tube Expanders

Single Universal Joint and Single Universal joint with Quick Change Chuck (QCC).

SQUARE TOOL AVAILABLE LENGTHS QCC
[inch] [inch] [mm]
3/8“ SUJ-3/8 8;12;24;36 200; 300; 600; 900 -
3/8“ SUJ-3/8-QCC 8;12;24;36 200; 300; 600; 900 +
1/2“ SUJ-1/2 8; 12; 24; 36 200; 300; 600; 900 -
1/2“ SUJ-1/2-QCC 8; 12; 24; 36 200; 300; 600; 900 +
3/4“ SUJ-3/4 8;12;24 200; 300; 600 -
1“ SUJ-1 8;12;24 200; 300; 600 -

Motor Coupling

KRAIS Tube Expanders

Motor coupling and Motor coupling with Quick Change Chuck (QCC )

MT-2×3/8”; MT-2×3/8”-QCC; MT-2×1/2”; MT-2×1/2”-QCC; MT-2×3/8”; MT-3×1/2”; MT-3×3/4”; MT-4×1“