Name: Download AS B148 In PDF - Standards Global
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AS B148

$41.00

Unified black hexagon bolts, screws and nuts (UNC and UNF threads) and plain washers – Heavy series

Published by	Publication Date	Number of Pages
AS	01/01/1956		14

Category: AS

Description

AS B148 – Unified black hexagon bolts, screws and nuts (UNC and UNF threads) and plain washers – Heavy series

Gives the dimensions and general requirements in a range of nominal sizes from ¿ to 2 in. Detailed dimensions of bolts, screws, ordinary nuts, lock nuts, slotted nuts and plain washers are given and provision is also made for bolts faced under the head and machined on the shank, and machined nuts. Formulas for the calculation of dimensions for bolts and screw heads and nuts in intermediate sizes, and sizes larger than 2 in. are given in an appendix.