Table of Contents

Foreword
Committee Roster
Correspondence With the B18 Committee
1 Scope
2 Comparisons With ISO Standards
3 Referenced Standards
4 Terminology
5 Dimensions
6 Top of Head
7 Head Height
8 Wrenching Height
9 Gaging of 12-Point Flange Head
10 Position of Head
11 Flange
12 Bearing Surface
13 Fillet
14 Body Diameter
15 Length
16 Points
17 Straightness
18 Threads
19 Length Measurements
20 Materials and Mechanical Properties
21 Identification Symbols
22 Finish
23 Workmanship
24 Inspection and Quality Assurance
25 Clearance Holes
26 Designation

Abstract

Describes the complete dimensional and general data for coarse thread metric series 12-point flange screws recognized as American National Standard.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Society of Mechanical Engineers
Pages
ISBN