ASME B18.5 pdf download

ASME B18.5 pdf download Round Head Bolts (Inch Series)
1 INTRODUCTORY NOTES
1.1 Scope
1.1.1 This Standard covers the complete general and dimensional data for the various types of inch series bolts generally classified as round head bolts and recog- nized as American National Standard.
1.1.2 The inclusion of dimensional data in this Standard is notintended to imply that all ofthe products described are stock production sizes. Consumers should consult with manufacturers concerning availability of products.
1.2 Bolt Types The bolt types covered by this Standard are enumer- ated and described in paras.
1.2.1 through 1.2.10.
1.2.1 Round Head Bolt (Formerly Designated Button Head Bolt). The round head bolt shall have a circular head with a low rounded top surface and a flat bearing surface. Dimensions are given in Table 1.
1.2.2 Round Head Square Neck Bolt (Formerly Desig- nated Round Head Carriage Bolt). The round head square neck bolt shall have a circular head with a low rounded top surface and a flat bearing surface, and an integrally formed square neck under the head. Dimen- sions are given in Table 2.
1.2.3 Round Head Short Square Neck Bolt. The round head short square neck bolt shall have a circular head with a low rounded top surface and a flat bearing surface, and an integrally formed short length square neck under the head. Dimensions are given in Table 3.
1.2.4 Round Head Ribbed Neck Bolt (Formerly Desig- nated Ribbed Neck Carriage Bolt). The round head ribbed neck bolt shall have a circular head with a low rounded top surface and a flat bearing surface, and a ribbed or splined neck formed on the shank below the head. Dimensions are given in Table 4.
1.2.5 Round Head Fin NeckBolt (Formerly Designated Fin Neck Carriage Bolt). The round head fin neck bolt shallhave a circular head witha low rounded top surface and a flat bearing surface, and two diametrically opposite integrally formed fins at the junction of head with shank. Dimensions are given in Table 5.
1.2.6 Step Bolt. The step bolt shall have a large circular head with a low rounded top surface and a flat