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SS Hex Trim 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 hex trim head is less prone to stripping than some other drive types. These fasteners are available in 18-8 stainless steel material.

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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 SpecificationsHex Trim Head for Machine Screws

Hex Trim Head for Machine Screws dimensions

ASME B18.6.3-2013
Nominal Size	A		W	H
	Width Across Flats		Width Across Corners	Height of Head
	Max	Min	Min	Max	Min
#2	0.125	0.120	0.134	0.050	0.040
#4	0.188	0.188	0.202	0.060	0.049
#5	0.188	0.181	0.202	0.070	0.058
#6	0.250	0.244	0.272	0.093	0.080
#8	0.250	0.244	0.272	0.110	0.096
#10	0.312	0.305	0.340	0.120	0.105
#12	0.312	0.305	0.340	0.155	0.139
1/4	0.375	0.367	0.409	0.190	0.172
5/16	0.500	0.489	0.545	0.230	0.208
3/8	0.562	0.551	0.614	0.295	0.270
1/2	0.750	0.735	0.820	0.400	0.367

All dimensions are in inches.

SS Hex Trim Head Machine Screw

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Diameter Length Item # Availability Price Quantity UOM

#10

MHHS1030100

In Stock

$0.32182/EA

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#10-32 X 1 STAINLESS STEEL HEX TRIM HEAD MACHINE SCREW

$0.32182/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.32182/ EA
1120	$0.30149/ EA
4450	$0.2685/ EA
20000	$0.17793/ EA

#10

MHHS1020100

3-5 Working Days

$0.27744/EA

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#10-24 X 1 STAINLESS STEEL HEX TRIM HEAD MACHINE SCREW

$0.27744/EA

Qty

3-5 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$0.27744/ EA
1200	$0.25992/ EA
4770	$0.23147/ EA
21430	$0.15339/ EA

MHHS8320100

In Stock

$0.22096/EA

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#8-32 X 1 STAINLESS STEEL HEX TRIM HEAD MACHINE SCREW

$0.22096/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.22096/ EA
1620	$0.20701/ EA
6460	$0.18435/ EA
29040	$0.12216/ EA

SS Hex Trim Head Machine Screw

Technical Data

Dimensional Specifications

Dimensional SpecificationsType 2A Threads for Machine Screws

Dimensional SpecificationsHex Trim Head for Machine Screws

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#10-32 X 1 STAINLESS STEEL HEX TRIM HEAD MACHINE SCREW

#10-24 X 1 STAINLESS STEEL HEX TRIM HEAD MACHINE SCREW

#8-32 X 1 STAINLESS STEEL HEX TRIM HEAD MACHINE SCREW