ROUND HEAD RIBBED NECK BOLTS ANSI-ASME B18.5_ZHEJIANG QIFENG HARDWARE, Special Fasteners

Heavy hex structural bolt(DIN6914)

ROUND HEAD RIBBED NECK BOLTS ANSI-ASME B18.5

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

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

Table Dimensions of Round Head Ribbed Neck Bolt
Thread Size
No.10
1/4
5/16
3/8
7/16
1/2
5/8
3/4
E(min)
0.182
0.237
0.298
0.36
0.421
0.483
0.605
0.729
A(min)
0.438
0.563
0.688
0.782
0.907
1.032
1.219
1.469
H(min)
0.094
0.125
0.156
0.188
0.219
0.25
0.313
0.375
O(min)
0.21
0.274
0.34
0.405
0.47
0.534
0.66
0.785
R
0.031
0.031
0.031
0.031
0.031
0.031
0.062
0.062