Product Code Number 44246

1/2" - 13 x 4" U.N.R.C. Coarse Thread
Product Code Number 44246

Nominal Size or Basic Screw Diameter Body Diameter Head Diameter Head Height Head Chamfer Hex Socket Size Key Engagement Wall Thickness Edge of Head Chamfer Grip Length Body Length Length

Max Min Max Min Max Min Max Nom Min Min Max Max Min Under Head

1/2" (0.5000) 0.5000 0.4919 0.750 0.735 0.500 0.492 0.055 3/8 (0.375) 0.245 0.190 0.015 2.25 1.86 4

SEE NOTES 1 2, 15 3 4 20 6 14 15 9 , 10 , 11


NOTES:	(9) Length	(18) Surface Roughness
(1) Nominal Size	(10) Standard Lengths	(19) Drawings
(2) Body	(11) Length Tolerances	(20) Hexagon Socket Dimensions
(3) Head Diameter	(12) Threads	(21) Dimensional Conformance
(4) Head Chamfer	(13) Thread Length	(22) Designation
(5) Bearing Surfaces	(14) Grip Gaging Length	(23) Gaging of Hexagon Sockets
(6) Edge of Head	(15) Body Length	(24) Screw Thread Limits
(7) Concentricity	(16) Screw Point Chamfer	(25) Mechanical Properties
(8) Fillet	(17) Material

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Nominal Size or Basic Screw Diameter	Body Diameter		Head Diameter		Head Height		Head Chamfer	Hex Socket Size	Key Engagement	Wall Thickness	Edge of Head Chamfer	Grip Length	Body Length	Length
Nominal Size or Basic Screw Diameter	Max	Min	Max	Min	Max	Min	Max	Nom	Min	Min	Max	Max	Min	Under Head
1/2" (0.5000)	0.5000	0.4919	0.750	0.735	0.500	0.492	0.055	3/8 (0.375)	0.245	0.190	0.015	2.25	1.86	4
SEE NOTES 1	2, 15		3				4	20			6	14	15	9 , 10 , 11