1.5mm X 60° Serrated Jaws & Jaw Nuts

1.5mm X 60° Serrated Jaws — Style P
Made with 6061 T-6 condition aluminum or 1018 steel
Add SQ suffix to part # for square nosed version

Dimensions in inches unless otherwise noted

A

B

C

D

F

G

CHUCK

ALUMINUM PART#

STEEL PART#

WIDTH

HEIGHT

LENGTH

SLOT

HOLE SPACING

BOLT SIZE

4

KTT4A

KTT4S

1

1

2

0.315

0.591

6mm

KTT4A1

KTT4S1

1

2

2

0.315

0.591

6mm

KW4A

KW4S

1

1 1/2

2

0.394

0.551

8mm

KW4A1

KW4S1

1

3

2

0.394

0.551

8mm

5

KTT5A

KTT5S

1

1 1/2

2 1/2

0.394

0.709

8mm

KTT5A1

KTT5S1

1

3

2 1/2

0.394

0.709

8mm

HAR5MSHA

HAR5MSHS

1

1 1/4

2.77

0.394

0.709

8mm

HOW5A

HOW5S

1

1 1/2

2 1/2

0.394

0.748

8mm

HOW5A1

HOW5S1

1

3

2 1/2

0.394

0.748

8mm

SUG5ASTS

SUG5SSTS

1

1 1/2

2 1/2

0.433

0.669

8mm

6

HOW6A

HOW6S

1 1/4

1 1/2

3

0.433

0.787

10mm

HOW6A1

HOW6S1

1 1/4

3

3

0.433

0.787

10mm

SUG6ASTS

SUG6SSTS

1 1/4

1 1/2

3

0.433

0.984

8mm

SUG6A1STS

SUG6S1STS

1 1/4

2

3

0.433

0.984

8mm

SUG6A2STS

SUG6S2STS

1 1/4

3

3

0.433

0.984

8mm

KTT6A

KTT6S

1 1/4

1 1/2

3

0.472

0.787

10mm

KTT6ASQ

KTT6SSQ

1 1/4

1 1/2

3

0.472

0.787

10mm

KTT6A1

KTT6S1

1 1/4

2

3

0.472

0.787

10mm

KTT6A1SQ

KTT6S1SQ

1 1/4

2

3

0.472

.787

10mm

KTT6A2

KTT6S2

1 1/4

3

3

0.472

0.787

10mm

KTT6A2SQ

KTT6S2SQ

1 1/4

3

3

0.472

0.787

10mm

HAR6MSHA

HAR6MSHS

1 1/4

1 1/2

3.09

0.472

0.787

10mm

8

KTT8A

KTT8S

1 1/2

2

4

0.551

0.984

12mm

KTT8ASQ

KTT8SSQ

1 1/2

2

4

0.551

0.984

12mm

KTT8A1

KTT8S1

1 1/2

3

4

0.551

0.984

12mm

KTT8A1SQ

KTT8S1SQ

1 1/2

3

4

0.551

0.984

12mm

KTT8A2

KTT8S2

1 1/2

4

4

0.551

0.984

12mm

KTT8A2SQ

KTT8S2SQ

1 1/2

4

4

0.551

0.984

12mm

HAR8MSHA

HAR8MSHS

1 1/2

2

3.76

0.551

0.984

12mm

SUG8ASTS

SUG8SSTS

1 1/2

2

4

0.551

1.181

10mm

SUG8A1STS

SUG8S1STS

1 1/2

3

4

0.551

1.181

10mm

HOW27M88A

HOW27M88S

1 1/2

2

4

0.630

0.984

12mm

HOW27M88ASQ

HOW27M88SSQ

1 1/2

2

4

0.630

0.984

12mm

HOW27M88A1

HOW27M88S1

1 1/2

3

4

0.630

0.984

12mm

HOW27M88A1SQ

HOW27M88S1SQ

1 1/2

3

4

0.630

0.984

12mm

10

KTT10A

KTT10S

1 1/2

2

4 1/2

0.630

1.181

12mm

KTT10ASQ

KTT10SSQ

1 1/2

2

4 1/2

0.630

1.181

12mm

KTT10A1

KTT10S1

1 1/2

3

4 1/2

0.630

1.181

12mm

KTT10A1SQ

KTT10S1SQ

1 1/2

3

4 1/2

0.630

1.181

12mm

KTT10A3

KTT10S3

2

3

5 1/2

0.630

1.181

12mm

KTT10A4

KTT10S4

1 1/2

4

4 1/2

0.630

1.181

12mm

KTT10A4SQ

KTT10S4SQ

1 1/2

4

4 1/2

0.630

1.181

12mm

KTT10A6

KTT10S6

1 1/2

6

4 1/2

0.630

1.181

12mm

HAR10MSHA

HAR10MSHS

1 1/2

2

4.56

0.630

1.181

12mm

MTT10A

MTT10S

1 1/2

2

4 1/2

0.630

1.260

12mm

MTT10A1

MTT10S1

1 1/2

3

4 1/2

0.630

1.260

12mm

HOW27M10A

HOW27M10S

1 1/2

2

4 1/2

0.709

1.181

14mm

HOW27M10A1

HOW27M10S1

1 1/2

3

4 1/2

0.709

1.181

14mm

12

KTT12A

KTT12S

2

2

5 1/2

0.709

1.181

14mm

KTT12ASQ

KTT12SSQ

2

2

5 1/2

0.709

1.181

14mm

KTT12A1

KTT12S1

2

3

5 1/2

0.709

1.181

14mm

KTT12A1SQ

KTT12S1SQ

2

3

5 1/2

0.709

1.181

14mm

KTT12A4

KTT12S4

2

4

5 1/2

0.709

1.181

14mm

KTT12A4SQ

KTT12S4SQ

2

4

5 1/2

0.709

1.181

14mm

SEIKI12A

SEIKI12S

1 1/2

2

4 1/4

0.709

1.260

14mm

SEIKI12A1

SEIKI12S1

1 1/2

3

4 1/4

0.709

1.260

14mm

SUG12ASTM

SUG12SSTM

2

2

5 1/2

0.788

1.378

12mm

KTTB212A

KTTB212S

2

2

5 1/2

0.827

1.181

16mm

KTTB212ASQ

KTTB212SSQ

2

2

5 1/2

0.827

1.181

16mm

KTTB212A1

KTTB212S1

2

3

5 1/2

0.827

1.181

16mm

KTTB212A1SQ

KTTB212S1SQ

2

3

5 1/2

0.827

1.181

16mm

KTTB212A4

KTTB212S4

2

4

5 1/2

0.827

1.181

16mm

KTTB212A4SQ

KTTB212S4SQ

2

4

5 1/2

0.827

1.181

16mm

HOW27M12A

HOW27M12S

2

2

5 1/2

0.827

1.378

16mm

HOW27M12A1

HOW27M12S1

2

3

5 1/2

0.827

1.378

16mm

14

SUG14ASTG

SUG14SSTG

2

3

6 5/16

0.827

1.772

16mm

15-18

KTT15A

KTT15S

2 1/2

3

6 1/2

0.866

1.693

20mm

KTT15ASQ

KTT15SSQ

2 1/2

3

6 1/2

0.866

1.693

20mm

KTT15A1

KTT15S1

2 1/2

4

6 1/2

0.866

1.693

20mm

KTT15A1SQ

KTT15S1SQ

2 1/2

4

6 1/2

0.866

1.693

20mm

KTT15A6

KTT15S6

2 1/2

6

6 1/2

0.866

1.693

20mm

KTTB215A

KTTB215S

2 1/2

3

6 1/2

1.004

1.693

20mm

KTTB215ASQ

KTTB215SSQ

2 1/2

3

6 1/2

1.004

1.693

20mm

KTTB215A1

KTTB215S1

2 1/2

4

6 1/2

1.004

1.693

20mm

KTTB215A1SQ

KTTB215S1SQ

2 1/2

4

6 1/2

1.004

1.693

20mm

1.5mm X 60° Serrated Pie Jaws^® — Style Q
Made with 319 cast aluminum, cast iron, 1018 steel or A36 steel
Add CI prefix to aluminum part # for cast iron jaws
Add ST prefix to aluminum part # for steel jaws
Cast iron version weight is approximately 2.6 times that of aluminum
Steel version weight is approximately 2.8 times that of aluminum

Dimensions in inches unless otherwise noted • Weights in lbs.

A

B

D

F

G

J

CHUCK

ALUMINUM PART#

DIAMETER

HEIGHT

SLOT

HOLE SPACING

BOLT SIZE

WEIGHT

4

KTT4P

6

2

0.315

0.591

6mm

1

5.7

KTT4P1

6

4

0.315

0.591

6mm

1

10.8

KW4P

6

2

0.394

0.551

8mm

1

5.7

KW4P1

6

4

0.394

0.551

8mm

1

10.8

5

KTT5P

6

2

0.394

0.709

8mm

1 1/8

5.7

KTT5P1

6

4

0.394

0.709

8mm

1 1/8

10.8

HAR5MSHP

6

2

0.394

0.709

8mm

1 11/16

5.7

HAR5MSHP1

6

4

0.394

0.709

8mm

1 11/16

10.8

HOW5P

6

2

0.394

0.748

8mm

1

5.7

HOW5P1

6

4

0.394

0.748

8mm

1

10.8

SUG5PSTS

6

2

0.433

0.669

8mm

1 27/32

5.7

AUTOBHM5P

6

2

0.472

0.630

8mm

1 3/8

5.7

6

SUG6PSTS

6

2

0.433

0.984

8mm

1 3/8

5.7

SUG6P1STS

6

4

0.433

0.984

8mm

1 3/8

10.8

KTT6P

6

2

0.472

0.787

10mm

1 21/32

5.7

KTT6P1

6

4

0.472

0.787

10mm

1 21/32

10.8

KTT8-6P

8

2

0.472

0.787

10mm

1 21/32

10.2

KTT8-6P1

8

4

0.472

0.787

10mm

1 21/32

19.8

KTT10-6P

10

2

0.472

0.787

10mm

1 21/32

16.2

HAR6MSHP

6.5

2

0.472

0.787

10mm

1 15/16

6.6

HAR6MSHP1

6.5

4

0.472

0.787

10mm

1 15/16

12.6

8

KTT8P

8

2

0.551

0.984

12mm

2

10.2

KTT8P1

8

4

0.551

0.984

12mm

2

19.8

KTT8P6

8

6

0.551

0.984

12mm

2

29.4

KTT10-8P

10

2

0.551

0.984

12mm

2

16.2

KTT10-8P1

10

4

0.551

0.984

12mm

2

31.5

KTT12-8P

12

2

0.551

0.984

12mm

2

23.4

KTT12-8P1

12

4

0.551

0.984

12mm

2

45.3

HAR8MSHP

8

2

0.551

0.984

12mm

2 17/64

10.2

HAR8MSHP1

8

4

0.551

0.984

12mm

2 17/64

19.8

SUG8PSTS

8

2

0.551

1.181

10mm

1 27/32

10.2

SUG8P1STS

8

4

0.551

1.181

10mm

1 27/32

19.8

HOW27M88P

8

2

0.630

0.984

12mm

2

10.2

HOW27M88P1

8

4

0.630

0.984

12mm

2

19.8

AUTOBHM8P

8

2

0.669

0.906

12mm

2 1/2

10.2

AUTOBHM8P1

8

4

0.669

0.906

12mm

2 1/2

19.8

10

KTT10P

10

2

0.630

1.181

12mm

2 1/2

16.2

KTT10P1

10

4

0.630

1.181

12mm

2 1/2

31.5

KTT10P6

10

6

0.630

1.181

12mm

2 1/2

46.8

KTT12-10P

12

2

0.630

1.181

12mm

2 1/2

23.4

KTT12-10P1

12

4

0.630

1.181

12mm

2 1/2

45.3

KTT15-10P

15

3

0.630

1.181

12mm

2 1/2

53.7

KTT15-10P1

15

4

0.630

1.181

12mm

2 1/2

70.8

KTT18-10P

18

3

0.630

1.181

12mm

2 1/2

77.7

KTT18-10P1

18

4

0.630

1.181

12mm

2 1/2

102.6

HAR10MSHP

10

2

0.630

1.181

12mm

2 3/4

16.2

HAR10MSHP1

10

4

0.630

1.181

12mm

2 3/4

31.5

MTT10P

10

2

0.630

1.260

12mm

2 7/8

16.2

MTT10P1

10

4

0.630

1.260

12mm

2 7/8

31.5

HOW27M10P

10

2

0.709

1.181

14mm

3

16.2

HOW27M10P1

10

4

0.709

1.181

14mm

3

315

AUTO10P

10

2

0.827

1.181

16mm

3

16.2

12

KTT12P

12

2

0.709

1.181

14mm

3 1/2

23.4

KTT12P1

12

4

0.709

1.181

14mm

3 1/2

45.3

KTT15-12P

15

3

0.709

1.181

14mm

3 1/2

53.7

KTT15-12P1

15

4

0.709

1.181

14mm

3 1/2

70.8

KTT18-12P

18

3

0.709

1.181

14mm

3 1/2

77.7

KTT18-12P1

18

4

0.709

1.181

14mm

3 1/2

102.6

KTT21-12P2

21

2

0.709

1.181

14mm

3 1/2

71.4

KTT21-12P

21

3

0.709

1.181

14mm

3 1/2

105.0

KTT21-12P1

21

4

0.709

1.181

14mm

3 1/2

139.2

SEIKI12P

12

2

0.709

1.260

14mm

3 1/8

23.4

SUG12PSTM

12

2

0.788

1.378

12mm

3 7/16

23.4

SUG12P1STM

12

4

0.788

1.378

12mm

3 7/16

45.3

KTTB212P

12

2

0.827

1.181

16mm

3 1/2

23.4

KTTB212P1

12

4

0.827

1.181

16mm

3 1/2

45.3

KTT15B212P

15

3

0.827

1.181

16mm

3 1/2

53.7

KTT15B212P1

15

4

0.827

1.181

16mm

3 1/2

70.8

KTT18B212P

18

3

0.827

1.181

16mm

3 1/2

77.7

KTT18B212P1

18

4

0.827

1.181

16mm

3 1/2

102.6

KTT21B212P2

21

2

0.827

1.181

16mm

3 1/2

71.4

KTT21B212P

21

3

0.827

1.181

16mm

3 1/2

105.0

KTT21B212P1

21

4

0.827

1.181

16mm

3 1/2

139.2

HOW27M12P

12

2

0.827

1.378

16mm

2 3/4

23.4

HOW27M12P1

12

4

0.827

1.378

16mm

2 3/4

45.3

14

SUG14PSTG

15

3

0.827

1.772

16mm

4 3/16

53.7

15

KTT15P2

15

2

0.866

1.693

20mm

4 5/16

36.6

KTT15P

15

3

0.866

1.693

20mm

4 5/16

53.7

KTT15P1

15

4

0.866

1.693

20mm

4 5/16

70.8

KTT15P6

15

6

0.866

1.693

20mm

4 5/16

105.0

KTT15P8

15

8

0.866

1.693

20mm

4 5/16

138.0

KTT18-15P

18

3

0.866

1.693

20mm

4 5/16

77.7

KTT18-15P1

18

4

0.866

1.693

20mm

4 5/16

102.6

KTT21-15P2

21

2

0.866

1.693

20mm

4 5/16

71.4

KTT21-15P

21

3

0.866

1.693

20mm

4 5/16

105.0

KTT21-15P1

21

4

0.866

1.693

20mm

4 5/16

139.2

KTT24-15P2

24

2

0.866

1.693

20mm

4 5/16

93.0

KTT24-15P

24

3

0.866

1.693

20mm

4 5/16

138.0

KTT24-15P1

24

4

0.866

1.693

20mm

4 5/16

182.4

KTTB215P2

15

2

1.004

1.693

20mm

4 5/16

36.6

KTTB215P

15

3

1.004

1.693

20mm

4 5/16

53.7

KTTB215P1

15

4

1.004

1.693

20mm

4 5/16

70.8

KTT18B215P

18

3

1.004

1.693

20mm

4 5/16

77.7

KTT18B215P1

18

4

1.004

1.693

20mm

4 5/16

102.6

KTT21B215P

21

3

1.004

1.693

20mm

4 5/16

105.0

18

KTT18P

18

3

0.866

1.693

20mm

4 1/8

77.7

KTT18P1

18

4

0.866

1.693

20mm

4 1/8

102.6

KTT21-18P2

21

2

0.866

1.693

20mm

4 1/8

71.4

KTT21-18P

21

3

0.866

1.693

20mm

4 1/8

105.0

KTT21-18P1

21

4

0.866

1.693

20mm

4 1/8

139.2

KTT24-18P2

24

2

0.866

1.693

20mm

4 1/8

93.0

KTT24-18P

24

3

0.866

1.693

20mm

4 1/8

138.0

KTT24-18P1

24

4

0.866

1.693

20mm

4 1/8

182.4

1.5mm X 60° Serrated Hard Jaws
Made with 1018 case hardened steel

Dimensions in inches unless otherwise noted

A

B

C

D

F

G

K

L

CHUCK

PART#

WIDTH

HEIGHT

LENGTH

SLOT

HOLE SPACING

BOLT SIZE

STEP 1

STEP 2

6

KTT6HJDS

1.13

1.73

2.85

0.472

0.787

10mm

0.42

0.86

8

KTT8HJDS

1.50

2.23

3.17

0.551

0.984

12mm

0.63

1.25

10

KTT10HJDS

1.50

2.73

3.99

0.630

1.181

12mm

0.75

1.50

12

KTT12HJDS

2.00

2.48

4.16

0.709

1.181

14mm

0.68

1.36

KTTB212HJDS

2.00

2.75

4.13

0.827

1.181

16mm

0.75

0.75

15

KTT15HJDS

2.50

2.98

5.88

0.866

1.693

20mm

0.75

1.54

KTTB215HJDS

2.50

2.98

5.88

1.004

1.693

20mm

0.75

1.54

1.5mm X 60° Serrated Single Step Hard Jaws
Made with 1018 case hardened steel

Dimensions in inches unless otherwise noted

A

B

C

D

F

G

K

CHUCK

PART#

WIDTH

HEIGHT

LENGTH

SLOT

HOLE SPACING

BOLT SIZE

STEP 1

6

KTT6HJSS

1.13

1.50

2.85

0.472

0.787

10mm

0.48

8

KTT8HJSS

1.50

1.98

3.16

0.551

0.984

12mm

0.75

10

KTT10HJSS

1.50

1.98

3.99

0.630

1.181

12mm

0.76

12

KTT12HJSS

2.00

1.98

4.16

0.709

1.181

14mm

0.83

15

KTT15HJSS

2.50

2.48

5.88

0.866

1.693

20mm

0.93

Jaw Nuts For 1.5mm X 60° Serrated Chucks
Made with 4140 steel

Dimensions in inches unless otherwise noted

A

B

C

D

F

G

M

CHUCK

PART#

WIDTH

HEIGHT

LENGTH

TONGUE

HOLE SPACING

BOLT SIZE

FLANGE

6

KTT6JN

0.69

0.87

1.44

0.472

0.787

10mm

0.295

8

KTT8JN

0.80

1.00

1.87

0.551

0.984

12mm

0.335

KTTB208JN

0.81

0.81

1.83

0.551

0.984

12mm

0.335

HOW27M88JN

0.91

1.00

2.00

0.630

0.984

12mm

0.335

10

KTT10JN

0.87

1.00

2.05

0.630

1.181

12mm

0.335

KTTB210JN

0.89

0.85

2.01

0.630

1.181

12mm

0.335

12

KTT12JN

1.04

1.30

2.25

0.709

1.181

14mm

0.530

KTTB212JN

1.16

0.86

2.19

0.827

1.181

16mm

0.217

15

KTT15JN

1.32

1.79

3.15

0.866

1.693

20mm

0.650