NOTES: (8) Length Tolerances (16) Threads
(1) Nominal Size (9) Thread Length (17) Material
(2) Body (10) Grip Gaging Length (18) Hexagon Socket Dimension
(3) Head Diameter (11) Body Length (19) Dimensional Conformance
(4) Head Height (12) Screw Point Chamfer  (20) Designation
(5) Protrusion (13) Fillet (21) Gaging of Hexagon Sockets
(6) Length (14) Bearing Surface (22) Screw Thread Limits
(7) Standard Lengths  (15) Concentricity (23) Mechanical Properties

Reprinted from ASME/ANSI B18.3 by permission of The American Society of Mechanical Engineers.  All rights reserved.  For a full copy of the standards, contact the ASME at http://www.asme.org/codes/.

Home • Back