BASIC
PART NO.
(STEEL ZINC)

A
Thread

B

C

D

E

F

G

H

J

NOMINAL

ACTUAL

JK-4RPP

1/4-20

1/8

.154/.157

3/16

9/32

7/16

1/2

1/32

5/32

1/4

JK-6RPP

3/8-16

3/16

.248/.251

9/32

7/16

5/8

3/4

1/8

3/16

3/8

JK-8RPP

1/2-13

1/4

.310/.313

3/8

9/16

13/16

1

1/8

1/4

1/2

JK-10RPP

5/8-11

3/8

.373/.376

7/16

11/16

1

1

5/32

5/16

5/8

BASIC
PART NO.
(STAINLESS STEEL)

A
Thread

B

C

D

E

F

F

F

F

NOMINAL

ACTUAL

JK-4RPPS

1/4-20

1/8

.154/.157

3/16

9/32

7/16

1/2

1/32

5/32

1/4

JK-6RPPS

3/8-16

3/16

.248/.251

9/32

7/16

5/8

3/4

1/8

3/16

3/8

JK-8RPPS

1/2-13

1/4

.310/.313

3/8

9/16

13/16

1

1/8

1/4

1/2

JK-10RPPS

1/2-13

3/8

.373/.376

7/16

11/16

1

1

5/32

5/16

5/8