TABLE J3 4M Minimum Edge Distance a from Center of Standard Hole b to Edge of Connected Part mm Bolt Diameter mm 16 20 22 24 27 30 36 Over 36 a Minimum Edge Distance 22 26 28 30 34 38 46 1 25d If necessary lesser edge distances are permitted provided the appropriate provisions from Sections J3 10 and J4 are satisfied but edge Horizontal Bolt Hole edge distances should not be less than 1 5 x the bolt diameter – Vertical edge distances should be increased to 2 x the Bolt Diameter Recommended Bolt Diameters should be M20 Hole Diameters should be bolt diameter 2 mm Welds should be 6 mm Fillet for End Plates up to 12 mm thick Stud and sleeve types are bolt size hole size Shell types accept threaded rod Spacing Distance Edge amp End Distance Load toward edge Load away from edge 1 4 quot 2 1 2 2 1 1 2 3 8 quot 3 3 4 3 2 1 2 quot 5 4 3 eter bolts will increase Shear strength MINIMUM EMBEDMENT Basic loading data for a single anchor – with minimum edge distance Design resistance kN uncracked concrete 32 Mpa Anchor size M8 M10 M12 M16 M20 M24 Min edge distance cmin mm 40 45 55 65 90 120 Min Base thickness hmin mm 110 120 140 170 220 270 Tensile NRd Pull out N Rd p kN 10 1 13 6 19 7 23 6 46 0 61 326 8 2019 nbsp 0183 32 The Code requires an edge distance based on the size of the bolt 1 that would mean the J bolt is 2 1 2 quot from the edge of the rebar The Concrete Reinforcing Steel Institute CRSI requires 3 4 minimum for concrete with 3 4 aggregate and 1 1 2 for 1 1 2 aggregate

0 The hole diameter for a bolt Table 3 3 Minimum and maximum spacing end and edge distances Distances Minimum Steel En 10025 exposed Steel EN 10025 not exposed Steel EN 10025 5 End distance e 1 1 2 4t 40 mm The larger of 8t or 125mm Edge distance e 22 10 2017 nbsp 0183 32 Edge Distance Minimum Edge Distance The distance from the center of a standard hole to an edge of a connected part shall be not less than the applicable value from the table below Minimum Edge Distance in Center of Standard Holea to Edge of Connected Part Nominal Bolt Diameter in At Sheared Edges At Rolled 1 6 2017 nbsp 0183 32 If the bolt is loaded in bearing 1 5 x hole diameter is the absolute MINIMUM I would accept Depending on loading I might still be uncomfortable at that number If the assembly load is taken up by shear force between the faces of the two parts or in tension parallel to the bolt axis as in a flange connection then distance from the edge matters less in my opinion Minimum edge distances in Table 4 6 10 1 or 4 6 10 2 are approximately 1 75 times the bolt hole diameter for sheared edges and 1 25 times the bolt diameter for rolled or thermally cut edges These criteria come from the AASHTO LRFD Bridge Design Specifications and are similar to those in the AISC Code but less conservative than the earlier AASHTOMinimum distances from centers of fasteners to any edges are given in Tables 5 7 and 5 8 The AISC specifications for structural steel for buildings have the following provisions for minimum edge distance The distance from the center of a standard hole to an edge of a connected part should not be less than the applicable value from Table 5 7 nor the value from the equation

11 1 2018 nbsp 0183 32 Positioning of holes for bolts and rivets 1 Minimum and maximum spacing and end and edge distances for bolts and rivets are given in Table 3 3 2 Minimum and maximum spacing end and edge distances for structures subjected to fatigue see EN 1993 1 9 Design resistance of individual fasteners Bolts and rivetsAISC Specification J3 3 indicates that the minimum distance s between the centers of bolt holes is 2 67 db A distance of 3db is preferred AISC Specification J3 4 indicates that the minimum edge distance Le from the center of the bolt to the edge of the connected part is given in Table J3 4 as a function of bolt size and type of edge shearedof two adjacent holes and c the minimum distance between the edge of a hole and the end of a member Most of these requirements are based on the general practices applied in cold formed steel construction S Bearing Stress in Bolted Connections When the edge distance is sufficiently large i e for large e d23 9 2019 nbsp 0183 32 The minimum edge distance and end distance from the centre of any hole to the nearest edge of plate for sheared or hand flame cut edge is e min 1 5 215 diameter of the bolt hole for machine cut element e min 1 7 215 diameter of the bolt hole 19 9 2020 nbsp 0183 32 Edge Distance for Bolts September 19 2020 Leave a Comment Recommended edge distance for bolts All edge distances shown are from centreline of bolt to edge of steel BOLT DIA SHEARED OR HAND FLAME CUT

The same basic provisions are listed in earlier specifications and appear to be based on accepted practice Table 1 Minimum Edge Distance for Punched Reamed or Drilled Holes Bolt Diameter At Sheared Edges At Rolled Edges 112 7 8 3 4 5 8 1 1 8 7 8 8 5 2017 nbsp 0183 32 3 3 The minimum distance between two countersink holes should be eight times the thickness of the material 3 4 The minimum distance between the countersink and one edge should be four times the thickness of material 3 5 Like counterbore the minimum distance between a countersink and bore should be four times the metal sheet thickness bend 11 Edge distance requirements for bolt holes should comply with AS 4100 Table 9 6 2 on the assumption of a machine flame cut sawn edge edge distance greater than 1 5 bolt diameter 12 Plate dimensions and hole pitch and gauge should be such that the anchor bolts don t14 6 2020 nbsp 0183 32 Eurocode specifies minimum distances from a bolt hole to the edge of the plate But why is the bolt diameter the only relevant parameter Why isn t the minimal distance also a function of the plate thickness Intuitively I would think that with a thicker plate we could place a bolt closer to the edge since there is more area perpendicular to 8 1 1993 nbsp 0183 32 Minimum end distance edge distance and spacing for bolt fasteners according to EN1993 1 8 Table 3 3 rounded up to nearest mm Normal round holes Oversize round holes Slotted holes Size Minimum end distance along load direction e 1 mm e 1 1 2d 0 Minimum edge distance perpendicular to load direction e 2 mm e 2 1 2d 0

Minimum Anchor Edge Distance HILTI literature states that the minimum edge distance for a 3 4 quot diameter anchor rod such as a HIT Z is 3 3 4 quot I have been asked by a contractor if he can install a 3 4 quot anchor rod with adhesive system at a edge distance of 3 1 2 quot and if so the reduction in strength capacity this would entail 28 1 2021 nbsp 0183 32 From AISC Table J3 4 the minimum edge distance in any direction is 1 inch Actual edge distance 1 left frac 1 4 right in gt 1 in OK Check bearing on both the tension member and the gusset plate textbf Tension Member For all Minimum edge and spacing distances for Bolts Applicable to screws with d over 6 mm Spacing and edge distances Angle Min edge distance of c of g of threaded part of screw a 1 a 2 a 3 a 2 7d 5d 10d 4d p gt where Nails Laterally loaded nails A 12 3 2020 nbsp 0183 32 Edge margins minimum 2 fastener dia preferred 2 189 fastener dia quot and e is the edge distance measured from the hole centre to the edge of the material in the direction of applied stress quot As pointed out previously there is no definition for edge margin in this manual From AISC Table J3 4 the minimum edge distance in any direction is 1 inch Actual edge distance 1 left frac 1 4 right in gt 1 in OK Check bearing on both the tension member and the gusset plate textbf Tension Member For all holes the bearing deformation strength is

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