Phillips Flat Head Machine Screw, Plated
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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.

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)
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
  1. 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.
  2. All dimensions are in inches.

Dimensional SpecificationsPhillips Flat Head for Machine Screws

Slotted Flat Head for Machine Screws dimensionsSlotted 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
Diameter Height Width Depth Diam. Depth Width
Max Min Max Min Max Min Max Min 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
  1. All dimensions are in inches.
Phillips Flat Head Machine Screw, Plated
View
Diameter Thread Pitch Length Item # Availability Price Quantity UOM
#4 40 5/16 MFPP 40031 In Stock $0.01549/EA EA
#4 40 1/2 MFPP 40050 In Stock $0.02138/EA EA
#4 40 3/4 MFPP 40075 3-5 Working Days $0.07506/EA EA
#4 40 1 MFPP 40100 In Stock $0.06033/EA EA
#6 32 1/4 MFPP 60025 In Stock $0.04751/EA EA
#6 32 3/8 MFPP 60037 In Stock $0.04751/EA EA
#6 32 1/2 MFPP 60050 In Stock $0.02418/EA EA
#6 32 3/4 MFPP 60075 In Stock $0.01202/EA EA
#6 32 1 MFPP 60100 In Stock $0.02922/EA EA
#6 32 1 1/4 MFPP 60125 In Stock $0.04751/EA EA
#6 32 1 1/2 MFPP 60150 In Stock $0.03805/EA EA
#6 32 1 3/4 MFPP 60175 In Stock $0.03568/EA EA
#6 32 2 MFPP 60200 In Stock $0.04437/EA EA
#6 32 2 1/4 MFPP 60225 In Stock $0.03753/EA EA
#6 32 2 1/2 MFPP 60250 3-5 Working Days $0.16485/EA EA
#6 32 3 MFPP 60300 In Stock $0.06347/EA EA
#8 32 1/4 MFPP 80025 In Stock $0.04751/EA EA
#8 32 3/8 MFPP 80037 In Stock $0.04751/EA EA
#8 32 7/16 MFPP 80043 In Stock $0.04447/EA EA
#8 32 1/2 MFPP 80050 In Stock $0.01259/EA EA
#8 32 5/8 MFPP 80062 In Stock $0.07819/EA EA
#8 32 3/4 MFPP 80075 In Stock $0.03097/EA EA
#8 32 1 MFPP 80100 In Stock $0.02352/EA EA
#8 32 1 1/4 MFPP 80125 3-5 Working Days $0.13017/EA EA
#8 32 1 1/2 MFPP 80150 3-5 Working Days $0.15107/EA EA
#8 32 1 3/4 MFPP 80175 3-5 Working Days $0.15819/EA EA
#8 32 2 MFPP 80200 In Stock $0.04751/EA EA
#10 24 1/4 MFPP1020025 In Stock $0.07838/EA EA
#10 24 3/8 MFPP1020037 In Stock $0.04751/EA EA
#10 24 1/2 MFPP1020050 In Stock $0.05544/EA EA
#10 24 5/8 MFPP1020062 In Stock $0.02057/EA EA
#10 24 3/4 MFPP1020075 In Stock $0.02665/EA EA
#10 24 1 MFPP1020100 In Stock $0.0371/EA EA
#10 24 1 1/4 MFPP1020125 In Stock $0.04751/EA EA
#10 24 1 1/2 MFPP1020150 In Stock $0.12736/EA EA
#10 24 1 3/4 MFPP1020175 In Stock $0.04751/EA EA
#10 24 2 MFPP1020200 In Stock $0.09501/EA EA
#10 24 2 1/2 MFPP1020250 In Stock $0.05862/EA EA
#10 24 3 MFPP1020300 In Stock $0.09501/EA EA
#10 32 1/4 MFPP1030025 In Stock $0.08143/EA EA
#10 32 3/8 MFPP1030037 In Stock $0.04751/EA EA
#10 32 1/2 MFPP1030050 In Stock $0.04261/EA EA
#10 32 5/8 MFPP1030062 3-5 Working Days EA
#10 32 3/4 MFPP1030075 In Stock $0.02518/EA EA
#10 32 1 MFPP1030100 In Stock $0.03919/EA EA
#10 32 1 1/4 MFPP1030125 In Stock $0.03392/EA EA
#10 32 1 1/2 MFPP1030150 In Stock $0.04751/EA EA
#10 32 1 3/4 MFPP1030175 In Stock $0.04751/EA EA
#10 32 2 MFPP1030200 In Stock $0.04751/EA EA
#10 32 2 1/2 MFPP1030250 3-5 Working Days $0.26176/EA EA
#10 32 3 MFPP1030300 In Stock $0.04751/EA EA
#12 24 3/8 MFPP1220037 In Stock $0.04751/EA EA
#12 24 1/2 MFPP1220050 In Stock $0.04157/EA EA
#12 24 3/4 MFPP1220075 In Stock $0.07183/EA EA
#12 24 1 MFPP1220100 In Stock $0.2085/EA EA
#12 24 1 1/4 MFPP1220125 In Stock $0.09501/EA EA
#12 24 1 1/2 MFPP1220150 In Stock $0.09501/EA EA
#12 24 1 3/4 MFPP1220175 In Stock $0.09501/EA EA
#12 24 2 MFPP1220200 In Stock $0.07544/EA EA
1/4 20 3/8 MFPP0250037 In Stock $0.04751/EA EA
1/4 20 1/2 MFPP0250050 In Stock $0.09943/EA EA
1/4 20 3/4 MFPP0250075 In Stock $0.03971/EA EA
1/4 20 1 MFPP0250100 In Stock $0.10926/EA EA
1/4 20 1 1/4 MFPP0250125 In Stock $0.07183/EA EA
1/4 20 1 1/2 MFPP0250150 In Stock $0.07254/EA EA
1/4 20 1 3/4 MFPP0250175 In Stock $0.11905/EA EA
1/4 20 2 MFPP0250200 In Stock $0.21188/EA EA
1/4 20 2 1/2 MFPP0250250 In Stock $0.14252/EA EA
1/4 20 2 3/4 MFPP0250275 In Stock $0.04751/EA EA
1/4 20 3 MFPP0250300 In Stock $0.14252/EA EA
1/4 20 3 1/2 MFPP0250350 In Stock $0.14252/EA EA
1/4 20 4 MFPP0250400 3-5 Working Days $0.77767/EA EA
1/4 20 6 MFPP0250600 In Stock $0.28504/EA EA
5/16 18 1/2 MFPP0310050 In Stock $0.019/EA EA
5/16 18 3/4 MFPP0310075 In Stock $0.18527/EA EA
5/16 18 1 MFPP0310100 In Stock $0.12394/EA EA
5/16 18 1 1/4 MFPP0310125 3-5 Working Days $0.45226/EA EA
5/16 18 1 1/2 MFPP0310150 In Stock $0.18328/EA EA
5/16 18 2 MFPP0310200 In Stock $0.19002/EA EA
5/16 18 2 1/2 MFPP0310250 In Stock $0.23753/EA EA
5/16 18 3 MFPP0310300 In Stock $0.44442/EA EA
5/16 18 3 1/2 MFPP0310350 In Stock $0.43572/EA EA
5/16 18 4 MFPP0310400 3-5 Working Days $1.12019/EA EA
3/8 16 1 MFPP0370100 In Stock $0.40223/EA EA
3/8 16 1 1/4 MFPP0370125 In Stock $0.19002/EA EA
3/8 16 1 1/2 MFPP0370150 In Stock $0.31435/EA EA
3/8 16 1 3/4 MFPP0370175 In Stock $0.3485/EA EA
3/8 16 2 MFPP0370200 In Stock $0.23753/EA EA
3/8 16 2 1/2 MFPP0370250 In Stock $0.28504/EA EA
3/8 16 3 MFPP0370300 3-5 Working Days $1.3867/EA EA
3/8 16 4 MFPP0370400 In Stock $0.46048/EA EA
3/8 16 6 MFPP0370600 In Stock $1.05273/EA EA