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Heavy hex structural bolt(DIN6914)
ROUND HEAD SHORT SQUARE NECK BOLTS (ANSI/ASME B18.5)


ROUND HEAD SHORT SQUARE NECK BOLTS(ANSI/ASME B18.5)

Product features:
Size: 1/4 - 3/4 or bigger
Length: according to requirement
Materials:Carbon steel
Plating: ZINC / H.D.G / BLACK OXIDE / other


Table Dimensions of Round Head Square Neck Bolts
Thread Size
1/4
5/16
3/8
7/16
1/2
5/8
3/4
E(min)
0.213
0.272
0.329
0.385
0.444
0.559
0.678
A(min)
0.563
0.688
0.782
0.907
1.032
1.219
1.469
H(min)
0.125
0.156
0.188
0.219
0.25
0.313
0.375
O(min)
0.245
0.307
0.368
0.431
0.492
0.616
0.741
P(min)
0.093
0.093
0.125
0.125
0.125
0.187
0.187
Q
0.031
0.031
0.047
0.047
0.047
0.078
0.078
R
0.031
0.031
0.031
0.031
0.031
0.062
0.062