World Wide Metric, Inc.
37 Readington Road
Branchburg, New Jersey 08876
Phone: 732-247-2300 • Fax: 732-247-7258
E-Mail: sales@worldwidemetric.com • Web site: www.worldwidemetric.com
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4006-500
Male Stud Coupling with O-Ring Thread UNF/UN-2A
Unit of Measure
1 2 3 

Item #

M - Tube Diameter

W - Tube Diameter

W  - Thread Size

L1

L2

Material

400601 N/A 6 mm N/A 1/4 in N/A 7/16-20 N/A 18.0 mm N/A 10.0 mm N/A Carbon Steel
400602 N/A 8 mm10 mm N/A 5/16 in3/8 in N/A 9/16-18 N/A 20.0 mm N/A 11.0 mm N/A Carbon Steel
400603 N/A 12 mm N/A 1/2 in N/A 3/4-16 N/A 22.5 mm N/A 13.0 mm N/A Carbon Steel
400604 N/A 14 mm15 mm16 mm N/A 5/8 in N/A 7/8-14 N/A 27.0 mm N/A 15.5 mm N/A Carbon Steel
400605 N/A 18 mm20 mm N/A 3/4 in N/A 1 1/16-12 N/A 30.0 mm N/A 17.0 mm N/A Carbon Steel
400606 N/A 22 mm25 mm N/A 7/8 in1 in N/A 15/16-12 N/A 32.0 mm N/A 17.5 mm N/A Carbon Steel
400607 N/A 28 mm30 mm32 mm N/A 1 1/4 in N/A 15/8-12 N/A 33.5 mm N/A 17.5 mm N/A Carbon Steel
400608 N/A 35 mm38 mm N/A 1 1/2 in N/A 17/8-12 N/A 35.5 mm N/A 17.5 mm N/A Carbon Steel
400609 N/A 6 mm N/A 1/4 in N/A 1/2-20 N/A 18.0 mm N/A 10.0 mm N/A Carbon Steel
400610 N/A 6 mm N/A 1/4 in N/A 9/16-18 N/A 19.0 mm N/A 10.0 mm N/A Carbon Steel
400611 N/A 6 mm N/A 1/4 in N/A 3/4-16 N/A 19.5 mm N/A 10.0 mm N/A Carbon Steel
400612 N/A 8 mm10 mm N/A 5/16 in3/8 in N/A 7/16-20 N/A 20.0 mm N/A 11.0 mm N/A Carbon Steel
400613 N/A 8 mm10 mm N/A 5/16 in3/8 in N/A 1/2-20 N/A 20.0 mm N/A 11.0 mm N/A Carbon Steel
400614 N/A 8 mm10 mm N/A 5/16 in3/8 in N/A 3/4-16 N/A 20.5 mm N/A 11.0 mm N/A Carbon Steel
400615 N/A 8 mm10 mm N/A 5/16 in3/8 in N/A 7/8-14 N/A 22.5 mm N/A 11.0 mm N/A Carbon Steel
400616 N/A 8 mm10 mm N/A 5/16 in3/8 in N/A 1 1/16-12 N/A 24.0 mm N/A 11.0 mm N/A Carbon Steel
400617 N/A 12 mm N/A 1/2 in N/A 9/16-18 N/A 22.5 mm N/A 13.0 mm N/A Carbon Steel
400618 N/A 12 mm N/A 1/2 in N/A 7/8-14 N/A 24.5 mm N/A 13.0 mm N/A Carbon Steel
400619 N/A 12 mm N/A 1/2 in N/A 11/16-12 N/A 26.0 mm N/A 13.0 mm N/A Carbon Steel
400620 N/A 12 mm N/A 1/2 in N/A 15/16-12 N/A 27.5 mm N/A 13.0 mm N/A Carbon Steel
400621 N/A 14 mm15 mm16 mm N/A 5/8 in N/A 3/4-16 N/A 27.0 mm N/A 15.5 mm N/A Carbon Steel
400622 N/A 14 mm15 mm16 mm N/A 5/8 in N/A 1 1/16-12 N/A 28.5 mm N/A 15.5 mm N/A Carbon Steel
400623 N/A 18 mm20 mm N/A 3/4 in N/A 3/4-16 N/A 30.0 mm N/A 17.0 mm N/A Carbon Steel
400624 N/A 18 mm20 mm N/A 3/4 in N/A 7/8-14 N/A 30.0 mm N/A 17.0 mm N/A Carbon Steel
400625 N/A 18 mm20 mm N/A 3/4 in N/A 15/16-12 N/A 31.5 mm N/A 17.0 mm N/A Carbon Steel
Unit of Measure
1 2 3