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SS Phillips Pan 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 drive pan head offers a smooth, rounded, relatively low-profile head design with a phillips drive. 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 Pan Head for Machine Screws

Phillips Pan Head for Machine Screws dimensions

ASME B18.6.3-2013
Nominal Size	A		H1		M	G		Phillips Drive Size
	Head Diameter		Height of Head		Dimensions of Recess
	Head Diameter		Height of Head		Diameter	Recess Penetration Gaging Depth
	Max	Min	Max	Min	Diameter	Max	Min
#0	0.116	0.104	0.044	0.036	0.060	0.032	0.014	0
#2	0.167	0.155	0.062	0.053	0.097	0.052	0.034	1
#3	0.193	0.180	0.071	0.062	0.105	0.061	0.043	1
#4	0.219	0.205	0.080	0.070	0.115	0.071	0.053	1
#5	0.245	0.231	0.089	0.079	0.152	0.072	0.046	2
#6	0.270	0.256	0.097	0.087	0.159	0.080	0.055	2
#8	0.322	0.306	0.115	0.105	0.175	0.097	0.071	2
#10	0.373	0.357	0.133	0.122	0.192	0.011	0.089	2
#12	0.425	0.407	0.151	0.139	0.252	0.124	0.980	3
1/4	0.492	0.473	0.175	0.162	0.274	0.144	0.118	3
5/16	0.615	0.594	0.218	0.203	0.343	0.173	0.149	4
3/8	0.740	0.716	0.261	0.244	0.382	0.213	0.190	4
1/2	0.987	0.958	0.348	0.325	0.428	0.260	0.235	4

All dimensions are in inches.

SS Phillips Pan Head Machine Screw

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Diameter Length Item # Availability Price Quantity UOM

1/4

1/2

MPPS0250050

In Stock

$0.16413/EA

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1/4-20 X 1/2 STAINLESS STEEL PHILLIPS PAN HEAD MACHINE SCREW

$0.16413/EA

Qty

In Stock

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Quantity	Price
Quantity	Price
1	$0.16413/ EA
800	$0.15322/ EA
3180	$0.1382/ EA
14290	$0.08638/ EA

1/4

3/4

MPPS0250075

In Stock

$0.26176/EA

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1/4-20 X 3/4 STAINLESS STEEL PHILLIPS PAN HEAD MACHINE SCREW

$0.26176/EA

Qty

In Stock

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Quantity	Price
Quantity	Price
1	$0.26176/ EA
680	$0.24435/ EA
2710	$0.2204/ EA
12170	$0.13775/ EA

1/4

MPPS0250100

In Stock

$0.28679/EA

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1/4-20 X 1 STAINLESS STEEL PHILLIPS PAN HEAD MACHINE SCREW

$0.28679/EA

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In Stock

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Quantity	Price
Quantity	Price
1	$0.28679/ EA
580	$0.26772/ EA
2290	$0.24148/ EA
10290	$0.15093/ EA

1/4

1 1/4

MPPS0250125

In Stock

$0.26727/EA

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1/4-20 X 1 1/4 STAINLESS STEEL PHILLIPS PAN HEAD MACHINE SCREW

$0.26727/EA

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In Stock

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Quantity	Price
Quantity	Price
1	$0.26727/ EA
500	$0.24949/ EA
1980	$0.22504/ EA
8870	$0.14065/ EA

1/4

1 1/2

MPPS0250150

In Stock

$0.22822/EA

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1/4-20 X 1 1/2 STAINLESS STEEL PHILLIPS PAN HEAD MACHINE SCREW

$0.22822/EA

Qty

In Stock

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Quantity	Price
Quantity	Price
1	$0.22822/ EA
440	$0.21304/ EA
1740	$0.19216/ EA
7800	$0.1201/ EA

1/4

MPPS0250200

In Stock

$0.52257/EA

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1/4-20 X 2 STAINLESS STEEL PHILLIPS PAN HEAD MACHINE SCREW

$0.52257/EA

Qty

In Stock

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Quantity	Price
Quantity	Price
1	$0.52257/ EA
360	$0.4878/ EA
1410	$0.44/ EA
6320	$0.275/ EA

SS Phillips Pan Head Machine Screw

Technical Data

Dimensional Specifications

Dimensional SpecificationsType 2A Threads for Machine Screws

Dimensional SpecificationsPhillips Pan Head for Machine Screws

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1/4-20 X 1/2 STAINLESS STEEL PHILLIPS PAN HEAD MACHINE SCREW

1/4-20 X 3/4 STAINLESS STEEL PHILLIPS PAN HEAD MACHINE SCREW

1/4-20 X 1 STAINLESS STEEL PHILLIPS PAN HEAD MACHINE SCREW

1/4-20 X 1 1/4 STAINLESS STEEL PHILLIPS PAN HEAD MACHINE SCREW

1/4-20 X 1 1/2 STAINLESS STEEL PHILLIPS PAN HEAD MACHINE SCREW

1/4-20 X 2 STAINLESS STEEL PHILLIPS PAN HEAD MACHINE SCREW