Click Specification

Hexagon Socket Set Screws (Cone Point)

ASME B 18.3 - 2003 (R2008)

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Screw Thread
d

10#

1/4

5/16

3/8

d	Screw Diameter
PP	UNC
	UNF
	UNEF
s	Nominal Size
t	min
L	short (nom.)
α	Nominal Size

0.0600	0.0730	0.0860	0.0990	0.1120	0.1250	0.1380	0.1640	0.1900	0.2500	0.3125	0.3750
-	64.0	56.0	48.0	40.0	40.0	32.0	32.0	24.0	20.0	18.0	16.0
80.0	72.0	64.0	56.0	48.0	44.0	40.0	36.0	32.0	28.0	24.0	24.0
-	-	-	-	-	-	-	-	-	32.0	32.0	32.0
0.028	0.035	0.035	0.050	0.050	0.062	0.062	0.078	0.094	0.125	0.156	0.188
0.050	0.060	0.060	0.070	0.070	0.080	0.080	0.090	0.100	0.125	0.156	0.188
0.13	0.19	0.19	0.19	0.19	0.19	0.25	0.25	0.25	0.31	0.44	0.44
90°	90°	90°	90°	90°	90°	90°	90°	90°	90°	90°	90°

Screw Thread
d

7/16

1/2

5/8

3/4

7/8

1-1/8

1-1/4

1-3/8

1-1/2

1-3/4

d	Screw Diameter
PP	UNC
	UNF
	UNEF
s	Nominal Size
t	min
L	short (nom.)
α	Nominal Size

0.4375	0.5000	0.6250	0.7500	0.8750	1.0000	1.1250	1.2500	1.3750	1.5000	1.7500	2.0000
14.0	13.0	11.0	10.0	9.0	8.0	7.0	7.0	6.0	6.0	5.0	4.5
20.0	20.0	18.0	16.0	14.0	12.0	12.0	12.0	12.0	12.0	-	-
28.0	28.0	24.0	20.0	20.0	20.0	18.0	18.0	18.0	18.0	-	-
0.219	0.250	0.312	0.375	0.500	0.562	0.562	0.625	0.625	0.750	1.000	1.000
0.219	0.250	0.312	0.375	0.500	0.562	0.562	0.625	0.625	0.750	1.000	1.000
0.63	0.63	0.88	1.00	1.00	1.25	1.50	1.50	1.75	2.00	2.25	2.50
90°	90°	90°	90°	90°	90°	90°	90°	90°	90°	90°	90°

Alternative history

ASME B 18.3 - 2003(R2008) ASME B 18.3 - 2012

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Similar Standards

1	[DIN] DIN 914 - 1980	Hexagon Socket Set Screws with Cone Point View Suppliers
2	[DIN EN ISO] DIN EN ISO 4027 - 2004	Hexagon Socket Set Screws with Cone Point View Suppliers
3	[GB] GB /T 78 - 2007	Hexagon Socket Set Screws with Cone Point View Suppliers
4	[GB] GB 78 - 1985	Hexagon Socket Set Screws with Cone Point View Suppliers
5	[GB] GB /T 78 - 2000	Hexagon Socket Set Screws with Cone Point View Suppliers
6	[ISO] ISO 4027 - 2003	Hexagon Socket Set Screws with Cone Point
7	[ASME/ANSI] ASME/ANSI B 18.3.6M (CONE) - 1986 (R2002)	Hexagon Socket Set Screws with Cone Point - Metric (ASTM F912M / F880M /A1-70)
8	[ASME/ANSI] ASME/ANSI B 18.3 - 2003 (R2008)	Spline Socket Set Screws (cone point)
9	[ASME] ASME B 18.3 (T14 CONE) - 2012	Hexagon Socket Set Screws (Cone Point) [Table 14] (ASTM F912 / F880)
10	[ISO] ISO 4027 - 1993	Hexagon Socket Set Screws with Cone Point
11	[JIS] JIS B 1177 (T3) - 2007	Hexagon Socket Set Screws with Cone Point
12	[BS] BS 2470 - 1973	Hexagon Socket Set Screws with Cone Point - BA Thread
13	[JIS] JIS B 1177 - 1988	Hexagon Socket Screws with Cone Point
14	[BS] BS 2470 - 1973	Hexagon Socket Set Screws with Cone Point - Unified Thread
15	[UNI] UNI 5927	Hexagon Socket Set Screws with Cone Point
16	[NF] NF E 25-172 - 2004	Hexagon Socket Set Screws with Cone Point
17	[JIS] JIS B 1177 (T2) - 1997	Hexagon Socket Set Screws with Cone Point
18	[BS] BS 2470 - 1973	Hexagon Socket Set Screws With Cone Point - BSW and BSF Threads
19	[AS] AS /NZS 1421 - 1996	ISO Metric Hexagon Socket Set Screws - Cone Point [Table 3]
20	[CNS] CNS 4481 - 1981	Hexagon Socket Set Screws with Cone End
21	[KS] KS B 1028 (T2) - 1990 (R2020)	Hexagon Socket Set Screw with Cone Point