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SHOWA Original Tools (Features)

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MICRON CHUCK (Milling Chuck)

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HARD CHUCK (Collect Holder)

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COLLECT CHUCK (Plated Coating)

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SYNCHRO TAP HOLDER MODEL SYFN / SYFS

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COLLET CHUCK (Slim Type)

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TRACTION DRIVE SPEED ACCELERATOR

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HY-DUAL CHUCK

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SHOWA SKM TOOL SYSTEM

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SHOWA D-F-C SYSTEM (BBT)

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OTHER SHANK STYLES

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NEW SUPER DRILL

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BT series

Product Name Type Page

MICRON CHUCK (Milling Chuck)
HPC 31·32

STRAIGHT COLLET
SC 33

STRAIGHT COLLET (Oil-Hole Type)
SCOH 33

STRAIGHT COLLET WITH ADJUST SCREW
NC 33

ADJUST SCREW (For BT,BBT,BTF shank standard MICRON CHUCK)
HAS 34

CHUCK WRENCH
FS 34

MICRON CHUCK H series
HPC-H 35·36

ADJUST SCREW (For MICRON CHUCK H series, M series)
AS 36

MICRON CHUCK M series
HPC-M 37·38

CHUCK WRENCH (For MICRON CHUCK H series, M series)
FP 38

HARD CHUCK
CTH 39

SLIM HARD CHUCK
CTH-L 40

NEW MILLING CHUCK G Type
CT-G 41

SPRING COLLET (For HARD CHUCK)
C 41

STRAIGHT COLLET
SC 42

STRAIGHT COLLET WITH ADJUST SCREW
NC 42

ADJUST SCREW (For HARD CHUCK, NEW MILLING CHUCK)
OR-M 42

NOSE PIECE (For HARD CHUCK)
N 43

NOSE PIECE Sealed type (For HARD CHUCK)
NG 43

CHUCK WRENCH
FS 43

COLLET CHUCK
RSC 44·45

COLLET CHUCK G Type
RSC-G 46

CR COLLET
CR 47

OIL HOLE CR COLLET
CROH 48

CR TAP COLLET
CR-GB 49

OIL HOLE CR TAP COLLET
CR-GH 50

NUT FOR COLLET CHUCK
RSN 51

ADJUST SCREW (For COLLET CHUCK)
RAS 51

CHUCK WRENCH (For COLLET CHUCK)
FP 51

DRILL CHUCK
SDC 52

COLLET CHUCK (SLIM TYPE)
SSC 53

NUT FOR SLIM CHUCK
ER-MN 54

ADJUST SCREW (For SLIM CHUCK)
M,RAS 54

CHUCK WRENCH (For SLIM CHUCK)
ER-MS 54

Hy-Dual CHUCK
HDU 55

Tester for clanping power
TB 56

CHUCK WRENCH
FS 56

SYNCHRO TAP HOLDER MODEL SYFN
SYFN 57

SYNCHRO TAP HOLDER MODEL SYFS
SYFS 57

COLLET CHUCK (SLIM TYPE)
SSC 58

TAP HOLDER (Clockwise Rotation)
TPC 59

TAP COLLET (Type TCC)
TCC 60

DEPTH CONTROL TAPPER
ADC 61

TAP COLLET (Type TC)
TC 62

TWINCUT
TWC 63

TWINCUT for LARGE BORE
TWC 64

INSERT for TWINCUT
WT 64

FINECUT [Angular Type]
FIC-AN 65

FINECUT [Vertical Type]
FIC-VN 66

FINECUT for LARGE BORE
FIC-N 67

INSERT for FINECUT
FT 67

EXTENSION (For TWINCUT & NEW FINECUT)
TEX 68

REDUCTION (For TWINCUT & NEW FINECUT)
RE 68

END MILL HOLDER (Type A)
SLA 69

END MILL HOLDER (Type D)
ALD 69

SIDE LOCK DRILL HOLDER
CSL 70

MORSE TAPER HOLDER (Type A)
MTA 71

MORSE TAPER HOLDER (Type B)
MTB 72

FACE MILL ARBOR (Type A)
FMA 73

FACE MILL ARBOR (Type B)
FMB 74

FACE MILL ARBOR (Type C)
FMC 75

RADIUS MILL LONG ARBOR
FM 75

SHELL MILL ARBOR (Type A)
SMA 76

SHELL MILL ARBOR (Type B)
SMB 77

CLAMP BOLT FOR FACE MILL ARBOR
MBA 78

SIDE CUTTER ARBOR
SCA 78

TRACTION DRIVE SPEED ACCELERATOR
TDU 79·80

NUT FOR TAP HOLDER FOR SYNCHRONIZED MACHINE & TRACTION DRIVE SPEED ACCELERATOR
RSN 80

OIL-HOLE ADAPTER (Set Screw Type)
OH-SL 81

STRAIGHT SLEEVE
OH-SL 81

OIL-HOLE ADAPTER (Morse Taper Type)
OH-MT 82

MORSE TAPER SLEEVE
OH-MT 82

OIL-HOLE HARD CHUCK
OH-CTH 83

OIL-HOLE TAP HOLDER
OH-TPC 84

ANGLE-HEAD HOLDER
AGCT-RSC 85·86

HSK series

Product Name Type Page

MICRON CHUCK (Milling Chuck)
HPC 90

STRAIGHT COLLET
SC 91

STRAIGHT COLLET (Oil-Hole Type)
SCOH 91

STRAIGHT COLLET WITH ADJUST SCREW
NC 91

ADJUST SCREW (For HSK shank standard MICRON CHUCK)
HAS 92

CHUCK WRENCH
FS 92

MICRON CHUCK H series
HPC-H 93·94

ADJUST SCREW (For MICRON CHUCK H series, M series)
AS 94

MICRON CHUCK M series
HPC-M 95·96

CHUCK WRENCH (For MICRON CHUCK H series, M series)
FP 96

HARD CHUCK
CTH 97

SPRING COLLET (For HARD CHUCK)
C 98

STRAIGHT COLLET
SC 98

STRAIGHT COLLET WITH ADJUST SCREW
NC 99

NOSE PIECE Sealed type (For HARD CHUCK)
NG 99

CHUCK WRENCH
FS 99

COLLET CHUCK
RSC 100

COLLET CHUCK G Type
RSC-G 101

CR COLLET
CR 102

OIL HOLE CR COLLET
CROH 103

CR TAP COLLET
CR-GB 104

OIL HOLE CR TAP COLLET
CR-GH 105

NUT FOR COLLET CHUCK
RSN 106

ADJUST SCREW (For COLLET CHUCK)
RAS 106

CHUCK WRENCH (For COLLET CHUCK)
FP 106

COLLET CHUCK (SLIM TYPE)
SSC 107

NUT FOR SLIM CHUCK
ER-MN 108

ADJUST SCREW (For SLIM CHUCK)
M,RAS 108

CHUCK WRENCH (For SLIM CHUCK)
ER-MS 108

Hy-Dual CHUCK
HDU 109

Tester for clanping power
TB 110

CHUCK WRENCH
FS 110

SYNCHRO TAP HOLDER MODEL SYFN
SYFN 111

SYNCHRO TAP HOLDER MODEL SYFS
SYFS 111

COLLET CHUCK (SLIM TYPE)
SSC 112

TWINCUT
TWC 113

TWINCUT for LARGE BORE
TWC 114

INSERT for TWINCUT
WT 114

FINECUT [Angular Type]
FIC-AN 115

FINECUT [Vertical Type]
FIC-VN 116

FINECUT for LARGE BORE
FIC-N 117

INSERT for FINECUT
FT 117

EXTENSION (For TWINCUT & NEW FINECUT)
TEX 118

REDUCTION (For TWINCUT & NEW FINECUT)
RE 118

DRILL CHUCK
SDC 119

END MILL HOLDER (Type A)
SLA 120

MORSE TAPER HOLDER (Type A)
MTA 121

MORSE TAPER HOLDER (Type B)
MTB 121

FACE MILL ARBOR (Type A)
FMA 122

FACE MILL ARBOR (Type B)
FMB 123

FACE MILL ARBOR (Type C)
FMC 124

SHELL MILL ARBOR (Type A)
SMA 125

CLAMP BOLT FOR FACE MILL ARBOR
MBA 126

COOLANT PIPE
CLP 126

ST series

Product Name Type Page

HARD CHUCK
CTH 129

COLLET CHUCK
RSC 129

COLLET CHUCK(SLIM TYPE)
SSC 130

TAP HOLDER (Clockwise Rotation)
TPC 130

TWINCUT
TWC 131

FINECUT [Angular Type]
FIC-AN 132

FINECUT [Vertical Type]
FIC-VN 132

SLIM SIDE LOCK HOLDER
S 133

MORSE TAPE COLLET
MT 133

FACE MILL ARBOR (Type A)
FMA 134

SIDE CUTTER ARBOR
SCA 134

ADJUSTABLE TAPPER (Key Drive)
AFT01 135

SIDE LOCK TAPPER (Set Screw Drive)
AFT02 135

DRIVER (Positive)
DR 136

DRIVER (With Torque Clutch)
CL 136

TAP COLLET
TC 136

SK series

Product Name Type Page

MICRON CHUCK (Milling Chuck)
HPC 27

STRAIGHT COLLET
SC 68

STRAIGHT COLLET (Oil-Hole Type)
SCOH 68

STRAIGHT COLLET WITH ADJUST SCREW
NC 68

ADJUST SCREW
HAS 76

CHUCK WRENCH
FS 78

MICRON CHUCK H series
HPC-H 32

STRAIGHT COLLET
SC 68

STRAIGHT COLLET (Oil-Hole Type)
SCOH 68

STRAIGHT COLLET WITH ADJUST SCREW
NC 68

ADJUST SCREW
HAS 77

CHUCK WRENCH
FP 78

MICRON CHUCK M series
HPC-M 37

STRAIGHT COLLET
SC 68

STRAIGHT COLLET (Oil-Hole Type)
SCOH 68

STRAIGHT COLLET WITH ADJUST SCREW
NC 68

ADJUST SCREW
HAS 77

CHUCK WRENCH
FP 78

COLLET CHUCK
RSC 42·44

NUT FOR COLLET CHUCK
RSN 69

COLLETS
CR,CROH,CR-GB,CR-GH 70·75

ADJUST SCREW
RAS 77

CHUCK WRENCH
FP 78

COLLET CHUCK (SLIM TYPE)
SSC 50

NUT FOR SLIM CHUCK
ER 69

COLLETS
CR,CROH,CR-GB,CR-GH 70·75

ADJUST SCREW
RAS 77

CHUCK WRENCH
ER 78

TRACTION DRIVE SPEED ACCELERATOR
TDU 55

COLLETS
CR-GH 73

CHUCK WRENCH
78

DRILL CHUCK
SDC 59

Other tools

Product Name Type Page


HARD CHUCK

CTH 139


FACE MILL ARBOR (Type A)

FMA 139


HARD CHUCK (A-set)

CTH-A 140


HARD CHUCK (B-set)

CTH-B 140


HARD CHUCK

CTH 141


SET

S 142


S-HOLDER BODY (Q.C. Holder)

S 143


TAPER SLEEVE (S1 Collet)

S1 143


HARD CHUCK (S2 Collet)

S2 144


FACE MILL ARBOR (S3 Collet)

S3 144


SIDE CUTTER ARBOR (S4 Collet)

S4 145


DRILL CHUCK HOLDER (S6 Collet)

S6 145

Cutting tools

Product Name Type Page

NEW SUPER DRILL (Standard Head Type)
147·148

BLADE (For Standart Head)
149

NEW SUPER DRILL (Flat Head Type)
150·151

BLADE (For Flat Head)
152

EXTENTION ARBOR (For Standard Head)
152

NEW SUPER DRILL (Standard Head Ass’y)
153

NEW SUPER DRILL (Flat Head Ass’y)
153

MT DRILL ARBOR
154

OH MT DRILL ARBOR
154

ST DRILL ARBOR
155

ST DRILL ARBOR(FOR LATHE)
155

OIL RING
155

T/C GUIDE (For Through Hole with Standard Head)
156

SPARE BLADE CLAMP
156

RE-GRINDING FIXTURE
156

Accessories

Product Name Type Page

RETENTION KNOB (PULL STUD)
159-162

LOCKING FIXTURE
LF 163

POINT FINDER
PTC 164

TOOL SETTER
165

TOOL PRESETTER
STP 166-169

Technical data

Product Name Type Page

BT SHANK DIMENSIONS
171

NT SHANK DIMENSIONS (Manual Tool-Chage Type)
171

MORSE TAPER SHANK DIMENSIONS

172

SKM SHANK DIMENSIONS
172

HSK SHANK DIMENSIONS
173

COOLANT PIPE DIMENSIONS
173

VARIOUS FORMS OF HSK SHANKS AVAILABLE
174

APPROXIMATE CONVERTION TO ROCKWELL C HARDNESS
175

INTERNATIONAL SYSTEM OF UNITS
176

DIMENSIONAL TOLERANCE FOR SHAFTS IN COMMON FITS
177·178

DIMENSIONAL TOLERANCE FOR HOLES IN COMMON FITS
179·180

DRILL DIAMETERS FOR TAPPING
181

DIMENSIONS OF COUNTERBORING FOR HEXAGON SOCKET HEAD CAP SCREW AND BOLT HOLE
181