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Unit:inch

Twist-Off-Type Tension Control Structural Bolts: Heavy Round Head Configurations (ASTM F 1852 / ASTM F 2280)

ASME B 18.2.6 - 2010

Display drawing:

美标ASME B18.2.6 - 2010 ASME18.2.6 18.2.6A Twist-Off-Type Tension Control Structural Bolts: Heavy Round Head Configurations (ASTM F 1852 / ASTM F 2280)

Screw Thread
d

1/2

5/8

3/4

7/8

1

1-1/8

PP		UNC
k		max
		min
d_s		max
		min
d_k		max
b		Thread Length	Ref.
z		Ref.
s₁		Ref.

13	11	10	9	8	7
0.323	0.403	0.483	0.563	0.627	0.718
0.302	0.378	0.455	0.531	0.591	0.658
0.515	0.642	0.768	0.895	1.022	1.149
0.482	0.605	0.729	0.852	0.976	1.098
1.126	1.313	1.58	1.88	2.158	2.375
1	1.25	1.38	1.5	1.75	2
0.5	0.6	0.65	0.72	0.8	0.9
0.32	0.43	0.53	0.61	0.7	0.8

①,Chemical and mechanical properties shall conform to ASTM F 1852 or ASTM F 2280, as applicable.

Alternative history

ASME B 18.2.6 - 2006 ASME B 18.2.6 - 2010 ASME B 18.2.6 - 2019

Similar Standards

1		[EN] EN 14399 (-10 cup) - 2018	High-Strength Structural Bolting Assemblies For Preloading - System HRC - Bolt HRC with Cup Head
2		[ASME] ASME B 18.2.6 - 2019	Twist-Off-Type Tension Control Structural Bolts: Heavy Round Head Configurations (ASTM F3125 / F3125M)
3		[ASME] ASME B 18.2.6 - 2006	Steel structure with high strength round torsional shear bolt (ASTM F 1852 / ASTM F 2280)
4		[GB] GB /T 3632 (S) - 2008	Torshear type high strength bolt for steel structures
5		[GB] GB /T 32076.8 - 2017	High-Strength Structural Bolting Assemblies For Preloading - Torshear Type Bolt With Cup Head
6		[JSS] JSS II 09 (-1) - 1996	Torsional shear type high strength bolt for structural connection
7		[GB] GB /T 3632 (S) - 1995	Torshear type high strength bolt for steel structures