Click Specification

Slotted Set Screws with Flat Point (A307, SAE J429, F468, F593)

ASME B 18.6.2 (T3-Flat) - 2020

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Thread Size
d

0#
0.0600

1#
0.0730

2#
0.0860

3#
0.0990

4#
0.1120

5#
0.1250

6#
0.1380

8#
0.1640

10#
0.1900

β ^②
n	max
	min
t	max
	min
d_p	max
	min
Y ^①

0.060	0.073	0.086	0.099	0.112	0.125	0.138	0.164	0.190
0.014	0.016	0.018	0.020	0.024	0.026	0.028	0.032	0.035
0.010	0.012	0.014	0.016	0.018	0.020	0.022	0.026	0.029
0.020	0.020	0.025	0.028	0.031	0.036	0.040	0.046	0.053
0.016	0.016	0.019	0.022	0.025	0.026	0.030	0.036	0.043
0.033	0.040	0.047	0.054	0.061	0.067	0.074	0.087	0.102
0.027	0.033	0.039	0.045	0.051	0.057	0.064	0.076	0.088
5/64	3/32	7/64	1/8	5/32	3/16	3/16	1/4	1/4

Thread Size
d

12#
0.2160

1/4
0.2500

5/16
0.3125

3/8
0.3750

7/16
0.4375

1/2
0.5000

9/16
0.5625

5/8
0.6250

3/4
0.7500

β ^②
n	max
	min
t	max
	min
d_p	max
	min
Y ^①

0.216	0.250	0.312	0.375	0.438	0.500	0.562	0.625	0.750
0.042	0.049	0.055	0.068	0.076	0.086	0.096	0.107	0.134
0.035	0.041	0.047	0.060	0.068	0.076	0.086	0.097	0.124
0.061	0.068	0.083	0.099	0.114	0.130	0.146	0.161	0.193
0.051	0.058	0.073	0.089	0.104	0.120	0.136	0.151	0.183
0.115	0.132	0.172	0.212	0.252	0.291	0.332	0.371	0.450
0.101	0.118	0.156	0.194	0.232	0.270	0.309	0.347	0.425
5/16	5/16	3/8	7/16	1/2	9/16	5/8	3/4	7/8

①,Point angle α shall be 45 deg. plus 5 deg., minus 0 deg. for screws of nominal lengths equal to or longer than those listed for variable Y, and 30 deg. minimum for screws of shorter nominal lengths.
②,Tolerance on radius for nominal sizes up to and including 5 (0.125 in.) shall be +0.015 in., -0.000 and for larger sizes, +0.031 in., -0.000. Slotted ends on screws may be flat at the option of the manufacturer.
③,When specifying nominal size in decimals, zeros preceding the decimal and in the fourth decimal place shall be omitted.

Alternative history

ASME/ANSI B 18.6.2 - 1998(R2010) ASME B 18.6.2 - 2020

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Similar Standards

1	[GB] GB /T 73 - 1985	Slotted Set Screws with Flat Point View Suppliers
2	[GB] GB /T 73 - 2017	Slotted Set Screws with Flat Point View Suppliers
3	[ISO] ISO 4766 - 1983	Slotted Set Screws with Flat Point
4	[DIN EN] DIN EN 24766 - 1992	Slotted Set Screws with Flat Point
5	[ASME/ANSI] ASME/ANSI B 18.6.2 (T5-flat) - 1998 (R2010)	Slotted Set Screws with Flat Point [Table 5] (A307, SAE J429, F468, F593)
6	[EN] EN 24766 - 1992	Slotted Set Screws with Flat Point
7	[DIN] DIN 551 - 1986	Slotted Set Screws with Flat Point
8	[ISO] ISO 4766 - 2011	Slotted Set Screws with Flat Point
9	[ISO] ISO 4766 - 2024	Slotted Set Screws with Flat Point
10	[JIS] JIS B 1117 (T1) - 1995	Slotted Screws with Flat Point
11	[JIS] JIS B 1117 (T2) - 2010	Slotted Set Screws with Flat Point
12	[NF] NF E 25-160 - 1992 (R2002)	Slotted Set Screws with Flat Point
13	[GOST] GOST 1477 - 1993	Flat-point Straight Slotted Set Screws. Product Grades А and В
14	[CNS] CNS 4478 - 1981	Slotted Set Screws with Flat Point