15, Marking Fasteners. (ANSI)-1

14, Marking Fasteners. (ANSI)-2

13, Marking Fasteners. (ANSI)-3

12, Marking Fasteners. (ANSI)-4

11, Marking Fasteners. (JIS)-1

10, Marking Fasteners. (JIS)-2

09, Welding Stud_02

08, Welding Stud_01

07, U Bolt

06, Thread

05, StudBolt

04, Screw Haed Type

03, 볼트

02, 볼트너트02

01, 볼트/너트