Sect. J3.] BOLTS AND THREADED PARTS 16.1–123

Specification for Structural Steel Buildings, June 22, 2010AMERICAN INSTITUTE OF STEEL CONSTRUCTION

Bolt Diameter, in. Minimum Edge Distance

1/2 3/45/8 7/83/4 17/8 11/8

1 11/4

11/8 11/2

11/4 15/8

Over 11/4 11/4 × d

[a] If necessary, lesser edge distances are permitted provided the appropriate provisions from Sections J3.10and J4 are satisfied, but edge distances less than one bolt diameter are not permitted without approval from the engineer of record.

[b] For oversized or slotted holes, see Table J3.5.

TABLE J3.4Minimum Edge Distance[a] from

Center of Standard Hole[b] to Edge of Connected Part, in.

Bolt Diameter, mm Minimum Edge Distance

16 22

20 26

22 28

24 30

27 34

30 38

36 46

Over 36 1.25d

[a] If necessary, lesser edge distances are permitted provided the appropriate provisions from Sections J3.10and J4 are satisfied, but edge distances less than one bolt diameter are not permitted without approvalfrom the engineer of record.

[b] For oversized or slotted holes, see Table J3.5M.

TABLE J3.4MMinimum Edge Distance[a] from

Center of Standard Hole[b] to Edge of Connected Part, mm

AISC_PART 16_Spec.2_B:14th Ed. 1/20/11 7:59 AM Page 123