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Phillips Flat Head Machine Screw, Plated

Machine screws are uniformly threaded fasteners with a blunt end that are used with a threaded nut or driven into a tapped hole. The phillips flat head offers a countersunk design to allow for flush installation. These fasteners are available in a zinc plated finish.

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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	Tensile Strength, ^a lb., min. (STEEL screws only)
			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	360
#4	48	0.0007	0.1113	0.1068	0.0978	0.0954	0.002361	0.00661	396
#5	40	0.0008	0.1242	0.1191	0.1080	0.1054	0.002562	0.00796	470
#5	44	0.0007	0.1243	0.1195	0.1095	0.1070	0.002484	0.00830	498
#6	32	0.0008	0.1372	0.1312	0.1169	0.1141	0.002820	0.00909	550
#6	40	0.0008	0.1372	0.1321	0.1210	0.1184	0.002614	0.01015	609
#8	32	0.0009	0.1631	0.1571	0.1428	0.1399	0.002916	0.01400	850
#8	36	0.0008	0.1632	0.1577	0.1452	0.1424	0.002804	0.01474	884
#10	24	0.0010	0.1890	0.1818	0.1619	0.1586	0.003319	0.01750	1050
#10	32	0.0009	0.1891	0.1831	0.1688	0.1658	0.003004	0.02000	1200
#12	24	0.0010	0.2150	0.2078	0.1879	0.1845	0.003400	0.02420	1450
#12	28	0.0010	0.2150	0.2085	0.1918	0.1886	0.003224	0.02580	1548
1/4	20	0.0011	0.2489	0.2408	0.2164	0.2127	0.003731	0.03180	1900
1/4	28	0.0010	0.2490	0.2425	0.2258	0.2225	0.003322	0.03640	2200
5/16	18	0.0012	0.3113	0.3026	0.2752	0.2712	0.004041	0.05240	3150
5/16	24	0.0011	0.3114	0.3042	0.2843	0.2806	0.003660	0.05800	3480
3/8	16	0.0013	0.3737	0.3643	0.3331	0.3287	0.004363	0.07750	4650
3/8	24	0.0011	0.3739	0.3667	0.3468	0.3430	0.003804	0.08780	5268
1/2	13	0.0015	0.4985	0.4876	0.4485	0.4435	0.004965	0.14190	8500
1/2	20	0.0013	0.4987	0.4906	0.4662	0.4619	0.004288	0.15990	9594

Tolerance on Length	Nominal Screw Size	Nominal Screw Length
		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
L	1/4 thru 3/4	-0.03	-0.03	-0.06	-0.09

^a Tensile strength values are based on 60,000 psi and apply to carbon steel screws and SEMS only. Hex and Hex Washer head machine screws of sufficient length may be wedge tensile tested. Other head styles may be axial tensile tested.
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.

Phillips Flat Head Machine Screw, Plated

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Diameter Thread Pitch Length Item # Availability Price Quantity UOM

#10

1/4

MFPP1020025

In Stock

$0.07838/EA

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#10-24 X 1/4 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.07838/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.07838/ EA
1790	$0.07317/ EA
7150	$0.066/ EA
28580	$0.04125/ EA

#10

3/8

MFPP1020037

In Stock

$0.04751/EA

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#10-24 X 3/8 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.04751/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.04751/ EA
1430	$0.04435/ EA
5700	$0.04/ EA
22800	$0.025/ EA

#10

1/2

MFPP1020050

In Stock

$0.06665/EA

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#10-24 X 1/2 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.06665/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.06665/ EA
1190	$0.06222/ EA
4730	$0.05612/ EA
18920	$0.03508/ EA

#10

5/8

MFPP1020062

In Stock

$0.02057/EA

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#10-24 X 5/8 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.02057/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.02057/ EA
1020	$0.0192/ EA
4050	$0.01732/ EA
16200	$0.01083/ EA

#10

3/4

MFPP1020075

In Stock

$0.02665/EA

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#10-24 X 3/4 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.02665/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.02665/ EA
1780	$0.02488/ EA
7100	$0.02244/ EA
31920	$0.01403/ EA

#10

MFPP1020100

In Stock

$0.03705/EA

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#10-24 X 1 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.03705/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.03705/ EA
1420	$0.03459/ EA
5650	$0.0312/ EA
25430	$0.0195/ EA

#10

1 1/4

MFPP1020125

In Stock

$0.04751/EA

See Quantity Discounts

#10-24 X 1 1/4 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.04751/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.04751/ EA
1180	$0.04435/ EA
4710	$0.04/ EA
21160	$0.025/ EA

#10

1 1/2

MFPP1020150

In Stock

$0.12736/EA

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#10-24 X 1 1/2 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.12736/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.12736/ EA
1010	$0.11889/ EA
4030	$0.10724/ EA
18110	$0.06703/ EA

#10

1 3/4

MFPP1020175

In Stock

$0.04751/EA

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#10-24 X 1 3/4 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.04751/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.04751/ EA
880	$0.04435/ EA
3520	$0.04/ EA
15820	$0.025/ EA

#10

MFPP1020200

In Stock

$0.09501/EA

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#10-24 X 2 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.09501/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.09501/ EA
790	$0.08869/ EA
3130	$0.08/ EA
14060	$0.05/ EA

#10

2 1/2

MFPP1020250

In Stock

$0.05862/EA

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#10-24 X 2 1/2 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.05862/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.05862/ EA
640	$0.05472/ EA
2560	$0.04936/ EA
11510	$0.03085/ EA

#10

MFPP1020300

In Stock

$0.09501/EA

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#10-24 X 3 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.09501/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.09501/ EA
540	$0.08869/ EA
2160	$0.08/ EA
9720	$0.05/ EA

#12

3/8

MFPP1220037

In Stock

$0.04751/EA

See Quantity Discounts

#12-24 X 3/8 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.04751/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.04751/ EA
1020	$0.04435/ EA
4070	$0.04/ EA
16270	$0.025/ EA

#12

1/2

MFPP1220050

In Stock

$0.04157/EA

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#12-24 X 1/2 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.04157/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.04157/ EA
1700	$0.0388/ EA
6800	$0.035/ EA
30570	$0.02188/ EA

#12

3/4

MFPP1220075

In Stock

$0.07183/EA

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#12-24 X 3/4 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.07183/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.07183/ EA
1290	$0.06705/ EA
5130	$0.06048/ EA
23080	$0.0378/ EA

#12

MFPP1220100

In Stock

$0.2085/EA

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#12-24 X 1 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.2085/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.2085/ EA
1030	$0.19463/ EA
4110	$0.17556/ EA
18490	$0.10973/ EA

#12

1 1/4

MFPP1220125

In Stock

$0.09501/EA

See Quantity Discounts

#12-24 X 1 1/4 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.09501/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.09501/ EA
860	$0.08869/ EA
3430	$0.08/ EA
15420	$0.05/ EA

#12

1 1/2

MFPP1220150

In Stock

$0.09501/EA

See Quantity Discounts

#12-24 X 1 1/2 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.09501/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.09501/ EA
740	$0.08869/ EA
2950	$0.08/ EA
13240	$0.05/ EA

#12

1 3/4

MFPP1220175

In Stock

$0.09501/EA

See Quantity Discounts

#12-24 X 1 3/4 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.09501/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.09501/ EA
650	$0.08869/ EA
2580	$0.08/ EA
11600	$0.05/ EA

#12

MFPP1220200

In Stock

$0.07544/EA

See Quantity Discounts

#12-24 X 2 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.07544/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.07544/ EA
580	$0.07042/ EA
2300	$0.06352/ EA
10310	$0.0397/ EA

5/16

1/2

MFPP0310050

In Stock

$0.019/EA

See Quantity Discounts

5/16-18 X 1/2 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.019/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.019/ EA
700	$0.01774/ EA
2780	$0.016/ EA
12500	$0.01/ EA

5/16

3/4

MFPP0310075

In Stock

$0.18527/EA

See Quantity Discounts

5/16-18 X 3/4 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.18527/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.18527/ EA
540	$0.17295/ EA
2160	$0.156/ EA
9700	$0.0975/ EA

5/16

MFPP0310100

In Stock

$0.12394/EA

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5/16-18 X 1 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.12394/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.12394/ EA
450	$0.1157/ EA
1770	$0.10436/ EA
7930	$0.06523/ EA

5/16

1 1/4

MFPP0310125

3-5 Working Days

$0.45226/EA

See Quantity Discounts

5/16-18 X 1 1/4 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.45226/EA

Qty

3-5 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$0.45226/ EA
380	$0.42217/ EA
1490	$0.3808/ EA
6700	$0.238/ EA

5/16

1 1/2

MFPP0310150

In Stock

$0.18328/EA

See Quantity Discounts

5/16-18 X 1 1/2 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.18328/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.18328/ EA
330	$0.17109/ EA
1290	$0.15432/ EA
5810	$0.09645/ EA

5/16

MFPP0310200

In Stock

$0.19002/EA

See Quantity Discounts

5/16-18 X 2 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.19002/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.19002/ EA
260	$0.17738/ EA
1020	$0.16/ EA
4580	$0.1/ EA

5/16

2 1/2

MFPP0310250

In Stock

$0.43439/EA

See Quantity Discounts

5/16-18 X 2 1/2 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.43439/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.43439/ EA
210	$0.4055/ EA
840	$0.36576/ EA
3780	$0.2286/ EA

5/16

MFPP0310300

In Stock

$0.44442/EA

See Quantity Discounts

5/16-18 X 3 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.44442/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.44442/ EA
180	$0.41486/ EA
720	$0.3742/ EA
3220	$0.23388/ EA

5/16

3 1/2

MFPP0310350

In Stock

$0.43568/EA

See Quantity Discounts

5/16-18 X 3 1/2 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$0.43568/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.43568/ EA
160	$0.4067/ EA
630	$0.36684/ EA
2810	$0.22928/ EA

5/16

MFPP0310400

3-5 Working Days

$1.12019/EA

See Quantity Discounts

5/16-18 X 4 PHILLIPS FLAT HEAD MACHINE SCREW, PLATED

$1.12019/EA

Qty

3-5 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$1.12019/ EA
140	$1.04568/ EA
560	$0.9432/ EA
2480	$0.5895/ EA