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SS Phillips Pan Head Machine Screw

Selected Stainless Steel Phillips Pan Head Machine ScrewSS Phillips Pan Head Machine Screw
Stainless Steel Phillips Pan Head Machine ScrewSS 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

Type 2A Threads for Machine Screws dimensions
ASME   B1.1 (2008)
Nominal
Size		 Threads
per Inch		 Allowance Major
Diameter		 Pitch Diameter Stress
Area in2
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
  1. All dimensions are in inches.
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
Diameter Recess Penetration
Gaging Depth
Max Min Max Min 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
  1. All dimensions are in inches.