Click Specification

Hex Flange Screws [Table 8]（A394）

ASME B 18.2.1 (T8) - 2012

Display drawing:

Download CAD Model

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs

Default density g/cm³

Nominal Length L Tips:seclect Nominal Length L and get Weight Thread length.

Thread Size
d

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

PP	UNC
PP	UNF
d_s	max
d_s	min
s	max
s	min
e	min
e	min
d_c	max
c	min
k	max
b	L≤6
b	L＞6
r	max

20	18	16	14	13	12	11	10
28	24	24	20	20	18	18	16
0.25	0.3125	0.375	0.4375	0.5	0.5625	0.625	0.75
0.245	0.3065	0.369	0.4305	0.493	0.5545	0.617	0.741
0.375	0.5	0.5625	0.625	0.75	0.8125	0.9375	1.125
0.367	0.489	0.551	0.612	0.736	0.798	0.922	1.1
0.433	0.577	0.65	0.722	0.866	0.938	1.083	1.299
0.409	0.548	0.618	0.685	0.825	0.895	1.034	1.234
0.56	0.68	0.81	0.93	1.07	1.19	1.33	1.59
0.04	0.05	0.06	0.07	0.08	0.09	0.10	0.11
0.28	0.32	0.39	0.46	0.51	0.57	0.62	0.73
0.75	0.875	1	1.125	1.25	1.375	1.5	1.75
1	1.125	1.25	1.375	1.5	1.625	1.75	2
0.025	0.025	0.025	0.025	0.025	0.045	0.045	0.045

Weight of per 1000 steel products(≈kg)

Ref

Length of Thread b

Ref

①,b is a reference dimension tntended for calculation purposes only. When screw length L ≤ 6 in，b=2d+0.25；when L＞6 in，b=2d+0.5 。

Alternative history

ASME B 18.2.1T8 - 2010 ASME B 18.2.1T8 - 2012

Send Inquiry

Similar Standards

1	[IFI] IFI 111 - 1986	Hexagon Flange Bolts View Suppliers
2	[ISO] ISO 15072 - 2012	Hexagon Bolts with Flange, Metric Fine Pitch Thread,Small Series, Product Grade A View Suppliers
3	[EN] EN 1662 - 1997	Hexagon Bolts with Flange - Small Series View Suppliers
4	[ISO] ISO 4162 - 2012	Hexagon Bolts with Flange - Small Series - Product Grade A with Driving Feature of Product Grade B View Suppliers
5	[ISO] ISO 15072 - 1999	Hexagon Bolts with Flange with Metric Fine Pitch Thread - Small Series - Product Grade A View Suppliers
6	[ISO] ISO 4162 - 1990	Hexagon Flange Bolts - Small Series View Suppliers
7	[DIN] DIN 6921 - 1983	Hexagon Flange Bolts View Suppliers
8	[DIN] DIN 6922 - 1983	Hexagon Flange Bolts with Reduced Shank View Suppliers
9	[IFI] IFI 111 - 2002	Hexagon Flange Bolts View Suppliers
10	[JIS] JIS B 1189 (Type 2) - 2014	Hexagon Flange Bolt - Type 2 - [Table JA.3] View Suppliers
11	[JIS] JIS B 1189 (Type 2) - 2005	Hexagon Flange Bolt - Type 2 - [Attached Table 2] View Suppliers
12	[JIS] JIS B 1189 (Class 2) - 1977	Hexagon Flange Bolts - Class 2 View Suppliers
13	[GB] GB 5787 - 1986	Hexagon Flange Bolts - Product Grade B View Suppliers
14	[JIS] JIS B 1189 (ISO 15072) - 2005	Hexagon Flange Bolts - Fine Pitch Thread - Product Grade A [Attached Figure 2.1] View Suppliers
15	[GB] GB /T 5788 - 1986	Hexagon Flange Bolts - Reduced Shank - Product Grade B View Suppliers
16	[ASME] ASME B 18.2.1 (T8) - 2010	Hex Flange Screws [Table 8]
17	[IFI] IFI 513 - 1982	Metric Hex Flange Head Machine Screws
18	[IFI] IFI 536 - 1982	Metric Hex Flange Screws
19	[IFI] IFI 538 - 1982	Metric Heavy Hex Flange Screws
20	[ASME] ASME B 18.2.3.4M - 2001 (R2011)	Metric Hex Flange Screws
21	[DIN EN] DIN EN 1662 - 1998	Hexagon Bolts with Flange - Small Series
22	[ASME/ANSI] ASME/ANSI B 18.2.3.4M - 1999	Hexagon Head Flange Bolts
23	[ISO] ISO 15071 - 1999	Hexagon Bolts with Flange - Small Series - Product Grade A
24	[ISO] ISO 15071 - 2011	Hexagon Bolts with Flange - Small Series - Product Grade A
25	[ASME/ANSI] ASME/ANSI B 18.6.7M - 1998	Metric Hex Head Flange Screws
26	[NF] NF E 25-504 - 1998 (R2004)	Hexagon Bolts with Flange - Small Series
27	[GB] GB /T 16674.3 - 2023	Hexagon Bolts with Flange - Small Series - Product Grade A with Driving Feature of Product Grade B
28	[YJT] YJT 1047	Hexagon Flange Bolts， Waterproof
29	[Others] MBN 10105 - 2007	Hexagon Head Screws with Flange