1/4" 1 1/2"
Product Code Number 13019

Nominal Size or Basic Shoulder Diameter Shoulder Diameter Head Diameter Head Height Head Chamfer Hex Socket Size
Max Min Max Min Max Min Max Nom
1/4" (0.250) 0.2480 0.2460 0.375 0.357 0.188 0.177 0.020 1/8 (0.125)
SEE NOTES  1  2                   15
 
Key Engagement Shoulder Neck Diameter Basic Thread Diameter Thread Neck Diameter Thread Length Shoulder Length
Min Min Max Min Basic
0.094 0.227 No. 10-24 0.142 0.133 0.375 1-1/2
SEE NOTES  8  13 10 6            

NOTES:
(1) Shoulder (8) Neck and Fillet Under Head (15) Hexagon Socket Dimensions
(2) Head Diameter (9) Bearing Surface (16) Dimensional Conformance
(3) Head Chamfer (10) Neck Under Shoulder (17) Designation
(4) Length (11) Edge of Shoulder (18) Details Y and Z
(5) Standard Length  (12) Concentricity (19) Gaging of Hexagon Sockets
(6) Thread Length Tolerance  (13) Threads (20) Screw Thread Limits
(7) Screw Point Chamfer  (14) Material (21) 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/.

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