ASME B18.5 Round Head Square Neck Bolts



Dimensions of Round Head Square Neck Bolts (Inch) 
Body Diameter, E 
　
Head Diameter, A 
　
Head Height, H
　
quare
Width, O
Square
Depth, P 
Maximum
Corner
Radius on
Square, Q
Maximum Fillet
Radius, R
[Note (2)] 
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
0.199
0.159
0.469
0.436
0.114
0.094
0.199
0.185
0.125
0.094
0.031
0.031
0.26
0.213
0.594
0.563
0.145
0.125
0.26
0.245
0.156
0.125
0.031
0.031
0.324
0.272
0.719
0.688
0.176
0.156
0.324
0.307
0.187
0.156
0.031
0.031
0.388
0.329
0.844
0.782
0.208
0.188
0.388
0.368
0.219
0.188
0.047
0.031
0.452
0.385
0.969
0.907
0.239
0.219
0.452
0.431
0.25
0.219
0.047
0.031
0.515
0.444
1.094
1.032
0.27
0.25
0.515
0.492
0.281
0.25
0.047
0.031
0.642
0.559
1.344
1.219
0.344
0.313
0.642
0.616
0.344
0.313
0.078
0.062
0.768
0.678
1.594
1.469
0.406
0.375
0.768
0.741
0.406
0.375
0.078
0.062
0.895
0.795
1.844
1.719
0.459
0.438
0.895
0.865
0.469
0.438
0.094
0.062
1.022
0.91
2.094
1.969
0.531
0.5
1.022
0.99
0.531
0.5
0.094
0.062

Tags: ASME B18.5 Round Head Square Neck Bolts

General Material:Stainless Steel,Nickel Alloy,Silicon Bronze,Aluminium Bronze,Brass,Naval Brass,Coppe,Copper-Nickel,Aluminum Alloy,Titanium,Alloy Steel,Such as C1008,C1018,C1022,C1035,C1045,40cr,SCM435,35crmoA,42crmoA,AISI4140SS304/A2-70,SS316/A4-80,SS310s,SS309,SS321,SS410,SS317,SS904L,17-4 PH/630,Duplex 2205,Duplex 31803,Nitronic 40,Nitronic 50,Nitronic 60,Nickel Alloy,Hastelloy C276,Inconel 600,Inconel 601,Inconel 625,Inconel 718,Inconel X750,Inconel 800H,Inconel 825,Monel 400,Monel 405,Monel K-500,MP35N,Nickel 200,Nickel 201,Waspaloy)C65500,C64200,C61400,C63000,C63200,C46200,H59,H62,H67,C46400,C11000,90/10 C70600,70/30 C71500,6061-T6,2024-T4,Ti-6Al-4V Grade 5,ASTM B348 Grade 2,ASTM B348 Grade 7,651/S63198
General Surface Finish:Blackoxide,Zinc,Dacromet 500/Dacromet 320,Non-electrolytically Deposited Zinc Flake,Hot-dip Galvanization,Phosphating,Passviation