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    A286 Pan Head Screws

    A286 Pan Head Screws

    TorqBolt Inc. is a PED and ISO Certified Manufacturing and Supplying company offering a wide variety of Alloy A286 products for fastening applications across the industries. We stock the excellent quality A286 Pan Head Screws in various specifications and grades of AMS, ASME, ASTM, GE, BS, Aecma, European and Werkstoff Numbers. Alloy A286 is an iron-nickel-chromium material with superior mechanical and chemical properties. At high temperatures, this material lives up to deliver high levels of strength and performance. We cater to specific requests from different industries in the required standards. Some of the popular applications of A286 Alloy include Valves & Actuators, Aircraft Components, Turbines and Engine Parts, Exhaust, Manifold, and more.

    Table Of Contents

    A286 Pan Head Screw Chemical Properties

    Nickel Iron Chromium Titanium Molybdenum Vanadium Carbon Manganese Silicon Aluminum Sulfur Boron
    24.0-27.0 Balance* 13.5-16.0 1.90-2.35 1.0-1.5 0.10-0.50 0.08 max. 2 max. 1 max. 0.35 max. 0.03 max. 0.001-0.01

    A286 Pan Head Screw Mechanical Properties

    • Tensile strength R m (MPa) solution annealed: 900 - 1150
    • Yield strength R p0.2 (MPa) solution annealed: minute 600
    • Elongation A 5 (%) solution annealed: minute 15% r
    • Notched impact strength (J / qcm) ISO-V (average value): minute 56 (longitudinal) - min 32 (transverse)

    Mechanical properties at elevated temperatures

    Strength Characteristic Delivery Condition Temperature °C
    100 200 300 400 500
    R p0.2 hardened 580 540 520 490 380

    Slotted A286 Pan Head Machine Screws— Metric Series BS 4183

    Slotted A286 Pan Head Machine Screws— Metric Series BS 4183
    Nominal Sizea or Basic Screw Dia. Head Dia., A Head Height, H Head Radius,R Slot Width, J Slot Depth, T
    Max. Min. Max. Min. Max. Max. Min. Max. Min.
    0000 0.0210 .042 .036 .016 .010 .007 .008 .004 .008 .004
    000 0.0340 .066 .060 .023 .017 .010 .012 .008 .012 .008
    00 0.0470 .090 .082 .032 .025 .015 .017 .010 .016 .010
    0 0.0600 .116 .104 .039 .031 .020 .023 .016 .022 .014
    1 0.0730 .142 .130 .046 .038 .025 .026 .019 .027 .018
    2 0.0860 .167 .155 .053 .045 .035 .031 .023 .031 .022
    3 0.0990 .193 .180 .060 .051 .037 .035 .027 .036 .026
    4 0.1120 .219 .205 .068 .058 .042 .039 .031 .040 .030
    5 0.1250 .245 .231 .075 .065 .044 .043 .035 .045 .034
    6 0.1380 .270 .256 .082 .072 .046 .048 .039 .050 .037
    8 0.1640 .322 .306 .096 .085 .052 .054 .045 .058 .045
    10 0.1900 .373 .357 .110 .099 .061 .060 .050 .068 .053
    12 0.2160 .425 .407 .125 .112 .078 .067 .056 .077 .061
    1⁄4 0.2500 .492 .473 .144 .130 .087 .075 .064 .087 .070
    5⁄16 0.3125 .615 .594 .178 .162 .099 .084 .072 .106 .085
    3⁄8 0.3750 .740 .716 .212 .195 .143 .094 .081 .124 .100
    7⁄16 0.4375 .863 .837 .247 .228 .153 .094 .081 .142 .116
    1⁄2 0.5000 .987 .958 .281 .260 .175 .106 .091 .161 .131
    9⁄16 0.5625 1.041 1.000 .315 .293 .197 .118 .102 .179 .146
    5⁄8 0.6250 1.172 1.125 .350 .325 .219 .133 .116 .197 .162
    3⁄4 0.7500 1.435 1.375 .419 .390 .263 .149 .131 .234 .192
    • a Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place are omitted.
    • All dimensions are in inches.

    A286 Cres Slotted Pan Head Type Machine Screws ANSI B18.6.3

    Nominal Size da Head Dia., D Head Height, k Head Radius, R Radius under Head, r Transition Diameter, da
    Max. 2d Min. Max. 0.6d Min. Max. 0.4d Min. Max.
    M2.5 5.00 4.70 1.50 1.36 1.00 0.10 3.10
    M3 6.00 5.70 1.80 1.66 1.20 0.10 3.60
    (M3.5) 7.00 6.64 2.10 1.96 1.40 0.20 4.30
    M4 8.00 7.64 2.40 2.26 1.60 0.20 4.70
    (M4.5) 9.00 8.64 2.70 2.56 1.80 0.20 5.20
    M5 10.00 9.64 3.00 2.86 2.00 0.20 5.70
    M6 12.00 11.57 3.60 3.42 2.50 0.25 6.80
    M8 16.00 15.57 4.80 4.62 3.20 0.40 9.20
    M10 20.00 19.48 6.00 5.82 4.00 0.40 11.20
    • a Nominal sizes shown in parentheses are non-preferred.
    Nominal Size da Thread Length b Thread Run-out a Slot Width n Slot Depth t
    Min. Max. 2pb Max. Min. Max. 0.6k Min. 0.4k
    M2.5 18.00 0.90 0.80 0.66 0.90 0.60
    M3 19.00 1.00 1.00 0.86 1.08 0.72
    (M3.5) 20.00 1.20 1.00 0.86 1.26 0.84
    M4 22.00 1.40 1.20 1.06 1.44 0.96
    (M4.5) 24.00 1.50 1.20 1.06 1.62 1.08
    M5 25.00 1.60 1.51 1.26 1.80 1.20
    M6 28.00 2.00 1.91 1.66 2.16 1.44
    M8 34.00 2.50 2.31 2.06 2.88 1.92
    M10 40.00 3.00 2.81 2.56 3.60 2.40
    • a Nominal sizes shown in parentheses are non-preferred.
    • All dimensions are in millimeters.

    A286 Pan Head Screw Specifications

    Aecma Specifications
    • AECMA PrEn2171
    • AECMA PrEN2119
    • AECMA PrEN2172
    • AECMA PrEN2173
    • AECMA PrEN2174
    • AECMA PrEN2303
    • AECMA PrEN2304
    • AECMA PrEN2398
    • AECMA PrEN2399
    • AECMA PrEN3510
    • A286 AMS 5737
    • A286 AMS 5853
    • A286 AMS 5895
    • A286 AMS 5726
    • A286 AMS 5731
    • A286 AMS 5732
    • A286 AMS 5734
    • ASME SA 891 (Type 1, 2)
    • ASME SA 638 (Grade 660 Type 1, 2)
    • ASME SA 453 (Grade 660 Class A, B, C, D)
    • ASTM A891 (Type 1, 2)
    • ASTM A638 (Grade 660 Type 1, 2)
    • ASTM A453 (Grade 660 Class A, B, C, D)
    • BS HR 51
    • BS HR 52
    • X5NiCrTi26-15
    • X4NiCrTi25-15
    • X6NiCrTiMoVB25-15-2
    • GE C50TF78
    • GE C50TF27
    • GE C50TF20
    • GE B50T1181C
    • UNS S66286
    • SAE J467-A286
    • SPS M-118
    • Fairchild MS 301
    • 314 Elliott Turbine MS 618 Weatherford WS-881
    • Cameron MS-003030
    • EN 2399
    • PWA-LCS
    • GE-S400/1000
    • RR SABRe Edition 2
    • EN 1.4944
    • EN 1.4943
    • EN 1.4980
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