SS Phillips Flat Head Machine Screw

Machine screws are uniformly threaded fasteners with a blunt end that are used with a threaded nut or threaded into a tapped hole. The phillips flat head offers a countersunk design to allow for flush installation. These fasteners are available in 18-8 stainless steel.

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Dimensional Specifications

Dimensional Specifications

Dimensional SpecificationsType 2A Threads for Machine Screws

Type 2A Threads for Machine Screws dimensions

ASME B1.1 (2008)
Nominal Size	Threads per Inch	Allowance	Major Diameter		Pitch Diameter			Stress Area in²
			Major Diameter		Pitch Diameter
			Max	Min	Max	Min	Tolerance
#0	80	0.0005	0.0595	0.0563	0.0514	0.0496	0.001762	0.00180
#1	64	0.0006	0.0724	0.0686	0.0623	0.0603	0.001970	0.00263
#1	72	0.0006	0.0724	0.0689	0.0634	0.0615	0.001899	0.00278
#2	56	0.0006	0.0854	0.0813	0.0738	0.0717	0.002127	0.00370
#2	64	0.0006	0.0854	0.0816	0.0753	0.0733	0.002040	0.00394
#3	48	0.0007	0.0983	0.0938	0.0848	0.0825	0.002302	0.00487
#3	56	0.0007	0.0983	0.0942	0.0867	0.0845	0.002191	0.00523
#4	40	0.0008	0.1112	0.1061	0.0950	0.0925	0.002507	0.00604
#4	48	0.0007	0.1113	0.1068	0.0978	0.0954	0.002361	0.00661
#5	40	0.0008	0.1242	0.1191	0.1080	0.1054	0.002562	0.00796
#5	44	0.0007	0.1243	0.1195	0.1095	0.1070	0.002484	0.00830
#6	32	0.0008	0.1372	0.1312	0.1169	0.1141	0.002820	0.00909
#6	40	0.0008	0.1372	0.1321	0.1210	0.1184	0.002614	0.01015
#8	32	0.0009	0.1631	0.1571	0.1428	0.1399	0.002916	0.01400
#8	36	0.0008	0.1632	0.1577	0.1452	0.1424	0.002804	0.01474
#10	24	0.0010	0.1890	0.1818	0.1619	0.1586	0.003319	0.01750
#10	32	0.0009	0.1891	0.1831	0.1688	0.1658	0.003004	0.02000
#12	24	0.0010	0.2150	0.2078	0.1879	0.1845	0.003400	0.02420
#12	28	0.0010	0.2150	0.2085	0.1918	0.1886	0.003224	0.02580
1/4	20	0.0011	0.2489	0.2408	0.2164	0.2127	0.003731	0.03180
1/4	28	0.0010	0.2490	0.2425	0.2258	0.2225	0.003322	0.03640
5/16	18	0.0012	0.3113	0.3026	0.2752	0.2712	0.004041	0.05240
5/16	24	0.0011	0.3114	0.3042	0.2843	0.2806	0.003660	0.05800
3/8	16	0.0013	0.3737	0.3643	0.3331	0.3287	0.004363	0.07750
3/8	24	0.0011	0.3739	0.3667	0.3468	0.3430	0.003804	0.08780
1/2	13	0.0015	0.4985	0.4876	0.4485	0.4435	0.004965	0.14190
1/2	20	0.0013	0.4987	0.4906	0.4662	0.4619	0.004288	0.15990

Nominal Screw Size	Nominal Screw Length (L) Tolerance
	Up to 1/2 in., incl.	Over 1/2 to 1 in., incl.	Over 1 to 2 in., incl.	Over 2 in.
0 thru 12	-0.02	-0.03	-0.06	-0.09
1/4 thru 3/4	-0.03	-0.03	-0.06	-0.09

All dimensions are in inches.

Dimensional SpecificationsPhillips Flat Head for Machine Screws

Slotted Flat Head for Machine Screws dimensions

ASME B18.6.3-2013
Nominal Size	A		H		J		T		M	R	N	F		G	Phillips Drive Size
	Head Dimensions				Slot Dimensions				Phillips Dimensions			Protrusion Above Gaging Diameter		Gaging Diameter
	Head Dimensions				Slot Dimensions				Phillips Dimensions
	Diameter		Height		Width		Depth		Diam.	Depth	Width
	Max	Min	Max	Min	Max	Min	Max	Min	Diam.	Depth	Width	Max	Min
#0	0.112	0.096	0.035	0.026	0.023	0.016	0.015	0.010	0.062	0.035	0.014	0.026	0.016	0.078	0
#1	0.137	0.120	0.043	0.033	0.026	0.019	0.019	0.012	0.070	0.043	0.015	0.028	0.016	0.101	0
#2	0.162	0.144	0.051	0.040	0.031	0.023	0.023	0.015	0.096	0.055	0.017	0.029	0.017	0.124	1
#3	0.187	0.167	0.059	0.047	0.035	0.027	0.027	0.017	0.100	0.060	0.018	0.031	0.018	0.148	1
#4	0.212	0.191	0.067	0.055	0.039	0.031	0.030	0.020	0.122	0.081	0.018	0.032	0.019	0.172	1
#5	0.237	0.215	0.075	0.062	0.043	0.035	0.034	0.022	0.148	0.074	0.027	0.034	0.020	0.196	2
#6	0.262	0.238	0.083	0.069	0.048	0.039	0.038	0.024	0.168	0.094	0.029	0.036	0.021	0.220	2
#8	0.312	0.285	0.100	0.084	0.054	0.045	0.045	0.029	0.182	0.110	0.030	0.039	0.023	0.267	2
#10	0.362	0.333	0.116	0.098	0.060	0.050	0.053	0.034	0.198	0.124	0.032	0.042	0.025	0.313	2
#12	0.412	0.380	0.132	0.112	0.067	0.056	0.060	0.039	0.262	0.144	0.035	0.045	0.027	0.362	3
1/4	0.477	0.442	0.153	0.131	0.075	0.064	0.070	0.046	0.276	0.160	0.036	0.050	0.029	0.424	3
5/16	0.597	0.556	0.191	0.165	0.084	0.072	0.088	0.058	0.358	0.205	0.061	0.057	0.034	0.539	4
3/8	0.717	0.670	0.230	0.200	0.094	0.081	0.106	0.070	0.386	0.234	0.065	0.065	0.039	0.653	4
1/2	0.815	0.765	0.223	0.186	0.106	0.091	0.103	0.065	0.418	0.265	0.069	0.081	0.049	0.739	4

All dimensions are in inches.

SS Phillips Flat Head Machine Screw

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Diameter	Length	Item #	Availability	Price	Quantity
#4	1/4	MFPS 40025	3-5 Working Days	$0.02723/EA	EA	EA
#4	3/8	MFPS 40037	3-5 Working Days	$0.04005/EA	EA	EA
#4	1/2	MFPS 40050	3-5 Working Days	$0.02563/EA	EA	EA
#4	3/4	MFPS 40075	3-5 Working Days	$0.03444/EA	EA	EA
#4	1	MFPS 40100	3-5 Working Days	$0.03965/EA	EA	EA
#6	1/4	MFPS 60025	3-5 Working Days	$0.03724/EA	EA	EA
#6	1/2	MFPS 60050	In Stock	$0.09648/EA	EA	EA
#6	3/4	MFPS 60075	3-5 Working Days	$0.04005/EA	EA	EA
#6	1	MFPS 60100	In Stock	$0.16592/EA	EA	EA
#6	1 1/4	MFPS 60125	In Stock	$0.10813/EA	EA	EA
#6	1 1/2	MFPS 60150	In Stock	$0.10216/EA	EA	EA
#6	1 3/4	MFPS 60175	In Stock	$0.24029/EA	EA	EA
#6	2	MFPS 60200	In Stock	$0.0801/EA	EA	EA
#8	1/4	MFPS 80025	3-5 Working Days	$0.03184/EA	EA	EA
#8	3/8	MFPS 80037	In Stock	$0.0801/EA	EA	EA
#8	1/2	MFPS 80050	In Stock	$0.0829/EA	EA	EA
#8	3/4	MFPS 80075	In Stock	$0.10461/EA	EA	EA
#8	1	MFPS 80100	In Stock	$0.11025/EA	EA	EA
#8	1 1/4	MFPS 80125	In Stock	$0.08218/EA	EA	EA
#8	1 1/2	MFPS 80150	In Stock	$0.08262/EA	EA	EA
#8	1 3/4	MFPS 80175	In Stock	$0.12775/EA	EA	EA
#8	2	MFPS 80200	In Stock	$0.21834/EA	EA	EA
#10	1/2	MFPS1020050	In Stock	$0.10641/EA	EA	EA
#10	3/4	MFPS1020075	In Stock	$0.11522/EA	EA	EA
#10	1	MFPS1020100	In Stock	$0.15731/EA	EA	EA
#10	1 1/4	MFPS1020125	In Stock	$0.13612/EA	EA	EA
#10	1 1/2	MFPS1020150	In Stock	$0.1493/EA	EA	EA
#10	2	MFPS1020200	In Stock	$0.20677/EA	EA	EA
#10	3/8	MFPS1030037	In Stock	$0.0801/EA	EA	EA
#10	1/2	MFPS1030050	In Stock	$0.0708/EA	EA	EA
#10	3/4	MFPS1030075	In Stock	$0.21085/EA	EA	EA
#10	1	MFPS1030100	In Stock	$0.16019/EA	EA	EA
#10	1 1/4	MFPS1030125	In Stock	$0.18358/EA	EA	EA
#10	1 1/2	MFPS1030150	In Stock	$0.23596/EA	EA	EA
#10	1 3/4	MFPS1030175	In Stock	$0.29095/EA	EA	EA
#10	2	MFPS1030200	In Stock	$0.1505/EA	EA	EA
#10	2 1/2	MFPS1030250	In Stock	$0.39335/EA	EA	EA
1/4	3/8	MFPS0250037	3-5 Working Days	$0.07733/EA	EA	EA
1/4	1/2	MFPS0250050	In Stock	$0.11233/EA	EA	EA
1/4	3/4	MFPS0250075	In Stock	$0.14345/EA	EA	EA
1/4	1	MFPS0250100	In Stock	$0.29483/EA	EA	EA
1/4	1 1/4	MFPS0250125	In Stock	$0.32343/EA	EA	EA
1/4	1 1/2	MFPS0250150	In Stock	$0.32187/EA	EA	EA
1/4	1 3/4	MFPS0250175	In Stock	$0.32803/EA	EA	EA
1/4	2	MFPS0250200	In Stock	$0.47341/EA	EA	EA
1/4	2 1/2	MFPS0250250	In Stock	$0.41406/EA	EA	EA
1/4	3	MFPS0250300	In Stock	$0.62948/EA	EA	EA
1/4	4	MFPS0250400	3-5 Working Days	$0.79535/EA	EA	EA
1/4	6	MFPS0250600	In Stock	$1.44173/EA	EA	EA
5/16	1/2	MFPS0310050	3-5 Working Days	$0.22187/EA	EA	EA
5/16	3/4	MFPS0310075	In Stock	$0.47537/EA	EA	EA
5/16	1	MFPS0310100	In Stock	$0.41842/EA	EA	EA
5/16	1 1/2	MFPS0310150	In Stock	$0.60072/EA	EA	EA
5/16	2	MFPS0310200	In Stock	$0.7807/EA	EA	EA
5/16	2 1/2	MFPS0310250	In Stock	$0.44501/EA	EA	EA
5/16	3	MFPS0310300	In Stock	$0.65146/EA	EA	EA
3/8	3/4	MFPS0370075	In Stock	$0.72087/EA	EA	EA
3/8	1	MFPS0370100	In Stock	$0.56432/EA	EA	EA
3/8	1 1/4	MFPS0370125	In Stock	$1.28154/EA	EA	EA
3/8	1 1/2	MFPS0370150	In Stock	$0.75935/EA	EA	EA
3/8	1 3/4	MFPS0370175	In Stock	$1.0813/EA	EA	EA
3/8	2	MFPS0370200	In Stock	$1.12135/EA	EA	EA
1/2	1	MFPS0500100	3-5 Working Days	$4.80577/EA	EA	EA
1/2	1 1/2	MFPS0500150	In Stock	$4.01338/EA	EA	EA
1/2	2	MFPS0500200	In Stock	$5.04778/EA	EA	EA
1/2	2 1/2	MFPS0500250	In Stock	$6.25571/EA	EA	EA
1/2	3	MFPS0500300	In Stock	$7.63608/EA	EA	EA

SS Phillips Flat Head Machine Screw

Technical Data

Dimensional Specifications

Dimensional SpecificationsType 2A Threads for Machine Screws

Dimensional SpecificationsPhillips Flat Head for Machine Screws

Grade

Diameter

Thread Pitch

Length

Thread Type

Head Diam

Drive Size