Round head ribbed neck bolts (inch series)

Standard ASME B18.5-1990
Description 5/16 - 18 x 1.264 Round head ribbed neck bolt, Copper
Part number ASME B18.5 - RHRNB - NS 5/16 x L 1.264 - TL 0.5625 - Cu
Material Copper
Omniclass number 23.13.23.11.13
Sélection de produit
Selector Nominal Size Basic Bolt Diameter (inch) E Max. - Body Diameter (inch) E Min. - Body Diameter (inch) A Max. - Head Diameter (inch) A Min. - Head Diameter (inch) H Max. - Head Height (inch) H Min. - Head Height (inch) M - Head to Ribs For Length of 7/8 and Shorter (inch) M - Head to Ribs For Length of 1 in. and Longer (inch) N - Number of Ribs O Min. - Diameter Over Ribs (inch) P - Depth Over Ribs For Lengths of 7/8 and Shorter (inch) P - Depth Over Ribs For Lengths of 1 in. and 1 1/8 (inch) P - Depth Over Ribs For Lengths of 1 1/4 and Longer (inch) R Max. - Filet Radius (inch)
1 No. 10 0.19 0.199 0.182 0.469 0.438 0.114 0.094 0.031 0.063 9 0.21 0.25 0.407 0.594 0.031
2 1/4 0.25 0.26 0.237 0.594 0.563 0.145 0.125 0.031 0.063 10 0.274 0.25 0.407 0.594 0.031
3 5/16 0.3125 0.324 0.298 0.719 0.688 0.176 0.156 0.031 0.063 12 0.34 0.25 0.407 0.594 0.031
4 3/8 0.375 0.388 0.36 0.844 0.782 0.208 0.188 0.031 0.063 12 0.405 0.25 0.407 0.594 0.031
5 7/16 0.4375 0.452 0.421 0.969 0.907 0.239 0.219 0.031 0.063 14 0.47 0.25 0.407 0.594 0.031
6 1/2 0.5 0.515 0.483 1.094 1.032 0.27 0.25 0.031 0.063 16 0.534 0.25 0.407 0.594 0.031
7 5/8 0.625 0.642 0.605 1.344 1.219 0.344 0.313 0.094 0.094 19 0.66 0.313 0.438 0.625 0.062
8 3/4 0.75 0.768 0.729 1.594 1.469 0.406 0.375 0.094 0.094 22 0.785 0.313 0.438 0.625 0.062
Nominal Size
Basic Bolt Diameter (inch)
E Max. - Body Diameter (inch)
E Min. - Body Diameter (inch)
A Max. - Head Diameter (inch)
A Min. - Head Diameter (inch)
H Max. - Head Height (inch)
H Min. - Head Height (inch)
M - Head to Ribs For Length of 7/8 and Shorter (inch)
M - Head to Ribs For Length of 1 in. and Longer (inch)
N - Number of Ribs
O Min. - Diameter Over Ribs (inch)
P - Depth Over Ribs For Lengths of 7/8 and Shorter (inch)
P - Depth Over Ribs For Lengths of 1 in. and 1 1/8 (inch)
P - Depth Over Ribs For Lengths of 1 1/4 and Longer (inch)
R Max. - Filet Radius (inch)