ASTM A325 Heavy Hex Structural Bolt and Nuts Fastener

• Finished: Zinc, Plain, Black
• Material: Alloy Steel, Carbon Steel/ Alloy Steel
• Standard: ASTM/ ANSI
• Head Type: Hexagon
• Surface Streatment: Plain Finish/ Black/ HDG
• Length: up to 6" - 10" Maximum (Depending on Diameter)
• Size: 1/2" - 1 1//2"
• Thread: Metric Thread
• Brand: OEM
• Original: Hebei Handan
• Package: Exported Standard Cartonn
• MOQ: 28ton
• Delivery Time: 7-15 Days
• Transport: by Sea
• Port of China: Tianjin Port
• Transport Package: Carton
• Origin: China
• HS Code: 7318159090
• Production Capacity: 100000sets

Product Description

ASTM A325 Structural Bolts Dimensions

(Dimensions per ASME B18.2.6 2011).

Diameters Allowed:	1/2" - 1-1/2"
Available Lengths:	Up to 6" - 10" maximum (depending on diameter)
Available  Finish:	Plain Finish or Hot Dip Galvanized or Black
Origin:	Import or Domestic

ASTM A325 Bolt Length Tolerances

 

Nominal Length, in.	Nominal Size, in.
1⁄2	5⁄8	3⁄4 thru 1	11⁄8 thru 11⁄2
Thru 6 in.	-0.12	-0.12	-0.19	-0.25
Over 6 in.	-0.19	-0.25	-0.25	-0.25

ASTM A325 Structural Bolt Dimensions

 

 

ASME B18.2.6 2011, A325 heavy hex bolts

Bolt Diameter	D	F	C	H	T
Body Diameter	Width Across Flats	Width Across Corners	Height	Thread Length
Max	Basic	Max	Min	Max	Min	Basic	Max	Min	Basic
1⁄2	0.515	7⁄8	0.875	0.850	1.010	0.969	5⁄16	0.323	0.302	1.00
5⁄8	0.642	11⁄16	1.062	1.031	1.227	1.175	25⁄64	0.403	0.378	1.25
3⁄4	0.768	11⁄4	1.250	1.212	1.443	1.383	15⁄32	0.483	0.455	1.38
7⁄8	0.895	17⁄16	1.438	1.394	1.660	1.589	35⁄64	0.563	0.531	1.50
1	1.022	15⁄8	1.625	1.575	1.876	1.796	39⁄64	0.627	0.591	1.75
11⁄8	1.149	113⁄16	1.812	1.756	2.093	2.002	11⁄16	0.718	0.658	2.00
11⁄4	1.277	2	2.00	1.938	2.309	2.209	25⁄32	0.813	0.749	2.00
13⁄8	1.404	23⁄16	2.188	2.119	2.526	2.416	27⁄32	0.878	0.810	2.25
11⁄2	1.531	23⁄8	2.375	2.300	2.742	2.622	15⁄16	0.974	0.902	2.25
Dimensions per ASME B18.2.6 2011

 

A325 Chemical Properties

Type 1 Bolts
Element	Carbon Steel	Carbon Boron Steel	Alloy Steel	Alloy Boron Steel
Carbon	0.30 - 0.52%	0.30 - 0.52%	0.30 - 0.52%	0.30 - 0.52%
Manganese, min	0.60%	0.60%	0.60%	0.60%
Phosphorus, max	0.040%	0.040%	0.035%	0.035%
Sulfur, max	0.050%	0.050%	0.040%	0.040%
Silicon	0.15-0.30%	0.10 - 0.30%	0.15 - 0.35%	0.15 - 0.35%
Boron		0.0005 - 0.003%		0.0005 - 0.003%
Alloying Elements			*	*

A325 Alternatives

A325 Mechanical Properties

Size	Tensile, ksi	Yield, ksi	Elong. %, min	RA %, min
1⁄2 - 1	120 min	92 min	14	35
11⁄8 - 11⁄2	105 min	81 min	14	35

Packaging & Shipping