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ASTM A563 2007a Table3 Carbon and Alloy Steel Nuts

Author: Site Editor Publish Time: 2017-04-24 Origin: Site

Mechanical Requirements
Grade of Nut	Nominal Nut Size,in.	Style of Nut	Proof Load Stress,ksi^A		Hardness
			Non-Zinc-Coated Nuts^B	Zinc-Coated Nuts^B	Brinell		Rockwell
			Non-Zinc-Coated Nuts^B	Zinc-Coated Nuts^B	Min	Max	Min	Max
Nuts with UNC,8 UN,6 UN and Coarser Pitch Threads
O	1/4 to 1-1/2	square	69	52	103	302	B55	C32
A	1/4 to 1-1/2	square	90	68	116	302	B68	C32
O	1/4 to 1-1/2	hex	69	52	103	302	B55	C32
A	1/4 to 1-1/2	hex	90	68	116	302	B68	C32
B	1/4 to 1	hex	120	90	121	302	B69	C32
B	1-1/8 to 1-1/2	hex	105	79	121	302	B69	C32
D^C	1/4 to 1-1/2	hex	135	135	159	352	B84	C38
DH^D	1/4 to 1-1/2	hex	150	150	248	352	C24	C38
DH3	1/2 to 1	hex	150	150	248	352	C24	C38
A	1/4 to 4	heavy hex	100	75	116	302	B68	C32
B	1/4 to 1	heavy hex	133	100	121	302	B69	C32
B	1-1/8 to 1-1/2	heavy hex	116	87	121	302	B69	C32
C^C	1/4 to 4	heavy hex	144	144	143	352	B78	C38
C3	1/4 to 4	heavy hex	144	144	143	352	B78	C38
D^C	1/4 to 4	heavy hex	150	150	159	352	B84	C38
DH^D	1/4 to 4	heavy hex	175	150	248	352	C24	C38
DH3	1/4 to 4	heavy hex	175	150	248	352	C24	C38
A	1/4 to 1-1/2	hex thick	100	75	116	302	B68	C32
B	1/4 to 1	hex thick	133	100	121	302	B69	C32
B	1-1/8 to 1-1/2	hex thick	116	87	121	302	B69	C32
D^C	1/4 to 1-1/2	hex thick	150	150	159	352	B84	C38
DH^D	1/4 to 1-1/2	hex thick	175	175	248	352	C24	C38
Nuts with UNF,12 UN,and Finer Pitch Threads
O	1/4 to 1-1/2	hex	65	49	103	302	B55	C32
A	1/4 to 1-1/2	hex	80	60	116	302	B68	C32
B	1/4 to 1	hex	109	82	121	302	B69	C32
B	1-1/8 to 1-1/2	hex	94	70	121	302	B69	C32
D^C	1/4 to 1-1/2	hex	135	135	159	352	B84	C38
DH^D	1/4 to 1-1/2	hex	150	150	248	352	C24	C38
A	1/4 to 4	heavy hex	90	68	116	302	B68	C32
B	1/4 to 1	heavy hex	120	90	121	302	B69	C32
B	1-1/8 to 1-1/2	heavy hex	105	79	121	302	B69	C32
D^C	1/4 to 4	heavy hex	150	150	159	352	B84	C38
DH^D	1/4 to 4	heavy hex	175	150	248	352	C24	C38
A	1/4 to 1-1/2	hex thick	90	68	116	302	B68	C32
B	1/4 to 1	hex thick	120	90	121	302	B69	C32
B	1-1/8 to 1-1/2	hex thick	105	79	121	302	B69	C32
D^C	1/4 to 1-1/2	hex thick	150	150	159	352	B84	C38
DH^D	1/4 to 1-1/2	hex thick	175	175	248	352	C24	C38

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ASTM A563 2007a Table3 Carbon and Alloy Steel Nuts

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