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    A286 Cres Screws

    A286 Cres Screws

    TorqBolt Inc. is a PED & ISO Certified Manufacturer and Supplier in India, offering a wide variety of Alloy A286 products for typical applications in various industries, such as Building, Oil & Gas, Automotive, Thermal Processing, and more. We offer the Slotted, Cross and Square Recessed Oval Countersunk Head Metric Machine Screws and Metric Slotted Flat Countersunk Head Cap Screws to ANSI/ASME specifications. Our range of Cres Screws in different specifications of ASME/ANSI/AMS/GE and European Standards and Grades cater to a large range of applications in different industries. We assert quality and prioritize ultimate performance for the desired applications at elevated temperatures.

    Table Of Contents

    A286 Cres Screw Chemical Properties

    Iron (Fe) 49.1 to 59.5 %
    Nickel (Ni) 24 to 27 %
    Chromium (Cr) 13.5 to 16 %
    Titanium (Ti) 1.9 to 2.4 %
    Molybdenum (Mo) 1.0 to 1.5 %
    Manganese (Mn) 0 to 2.0 %
    Silicon (Si) 0 to 1.0 %
    Vanadium (V) 0.1 to 0.5 %
    Aluminum (Al) 0 to 0.35 %
    Carbon (C) 0 to 0.080 %
    Phosphorus (P) 0 to 0.040 %
    Sulfur (S) 0 to 0.030 %
    Boron (B) 0.0010 to 0.010 %

    A286 Chemical Composition of Metric Machine Screw

    Iron (Fe) Nickel (Ni) Chromium (Cr) Titanium (Ti) Molybdenum (Mo) Manganese (Mn) Silicon (Si) Vanadium (V) Aluminum (Al) Carbon (C) Phosphorus (P) Sulfur (S) Boron (B)
    49.1 to 59.5 % 24 to 27 % 13.5 to 16 % 1.9 to 2.4 % 1.0 to 1.5 % 0 to 2.0 % 0 to 1.0 % 0.1 to 0.5 % 0 to 0.35 % 0 to 0.080 % 0 to 0.040 % 0 to 0.030 % 0.0010 to 0.010 %

    A286 Cres Screw Mechanical Properties

    MECHANICAL & PHYSICAL PROPERTIES 21°C 93°C 204°C 427°C 537.8°C 649°C 760°C
    Coefficient of Thermal Expansion µm/m°C - 16.6 - 17.3 17.6 17.8 18.5
    Modulus of Elasticity / x105 MPa - - - - 1.65 1.52 1.59
    Ultimate Tensile Strength/ MPa 999.7 - 986 951.5 903.2 710.2 441.3
    0.2% Yield Strength/ MPa 655 - 641.2 641.2 599.8 606.7 427.5
    Elongation % 24 - 21 18 18 13 18
    Thermal Conductivity kcal/(hr.m.°C) - 11.9 - 14.6 19.3 21 -

    A286 Cres Slotted, Cross and Square Recessed Oval Countersunk Head Metric Machine Screws ANSI/ASME B18.6.7M

    A286 Cres Slotted, Cross and Square Recessed Oval Countersunk Head Metric Machine Screws ANSI/ASME B18.6.7M
    A286 Cres Slotted, Cross and Square Recessed Oval Countersunk Head Metric Machine Screws
    ANSI/ASME B18.6.7M
    Nominal Screw Size and Thread Pitch DS Dk K F RF R N T
    Body Diameter Head Diameter Head Side Height Raised Head Height Head Top Radius Underhead Fillet Radius Slot Width Slot Depth
    Theoretical Sharp Actual
    Max Min Max Min Min Max Ref Max Approx Max Min Max Min Max Min
    M2 × 0.4a 2.00 1.65 4.4 4.1 3.5 1.2 0.5 5.0 0.8 0.4 0.7 0.5 1.0 0.8
    M2.5 ×
    0.45    		 2.50 2.12 5.5 5.1 4.4 1.5 0.6 6.6 1.0 0.5 0.8 0.6 1.2 1.0
    M3 × 0.5 3.00 2.58 6.3 5.9 5.2 1.7 0.7 7.4 1.2 0.6 1.0 0.8 1.5 1.2
    M3.5 ×
    0.6    		 3.50 3.00 8.2 7.7 6.9 2.3 0.8 10.9 1.4 0.7 1.2 1.0 1.7 1.4
    M4 × 0.7 4.00 3.43 9.4 8.9 8.0 2.7 1.0 11.6 1.6 0.8 1.5 1.2 1.9 1.6
    M5 × 0.8 5.00 4.36 10.4 9.8 8.9 2.7 1.2 11.9 2.0 1.0 1.5 1.2 2.4 2.0
    M6 × 1 6.00 5.21 12.6 11.9 10.9 3.3 1.4 14.9 2.4 1.2 1.9 1.6 2.8 2.4
    M8 × 1.25 8.00 7.04 17.3 16.5 15.4 4.6 2.0 19.7 3.2 1.6 2.3 2.0 3.7 3.2
    M10 × 1.5 10.00 8.86 20.0 19.2 17.8 5.0 2.3 22.9 4.0 2.0 2.8 2.5 4.4 3.8
    • a This size is not specified for Type III square recessed oval countersunk heads; Type II cross recess is not specified for any size.
    • All dimensions in millimeters.

    Slotted and Cross and Square Recessed Pan Head Metric Machine Screws ANSI/ASME B18.6.7M

    Slotted and Cross and Square Recessed Pan Head Metric Machine Screws ANSI/ASME B18.6.7M
    Slotted and Cross and Square Recessed Pan Head Metric Machine Screws
    ANSI/ASME B18.6.7M
    Nominal Screw Size and Thread Pitch DS DK Slotted Cross and Square Recess DA R N T W
    K R1 K R1
    Body Diameter Head Diameter Head Height Head Radius Head Height Head Radius Underhead Fillet Slot Width Slot Depth Unslotted Head Thickness
    Transition Dia Radius
    Max Min Max Min Max Min Max Max Min Ref Max Min Max Min Min Min
    M2 × 0.4a 2.00 1.65 4.0 3.7 1.3 1.1 0.8 1.6 1.4 3.2 2.6 0.1 0.7 0.5 0.5 0.4
    M2.5 ×
    0.45    		 2.50 2.12 5.0 4.7 1.5 1.3 1.0 2.1 1.9 4.0 3.1 0.1 0.8 0.6 0.6 0.5
    M3 × 0.5 3.00 2.58 5.6 5.3 1.8 1.6 1.2 2.4 2.2 5.0 3.6 0.1 1.0 0.8 0.7 0.7
    M3.5 ×
    0.6    		 3.50 3.00 7.0 6.6 2.1 1.9 1.4 2.6 2.3 6.0 4.1 0.1 1.2 1.0 0.8 0.8
    M4 × 0.7 4.00 3.43 8.0 7.6 2.4 2.2 1.6 3.1 2.8 6.5 4.7 0.2 1.5 1.2 1.0 0.9
    M5 × 0.8 5.00 4.36 9.5 9.1 3.0 2.7 2.0 3.7 3.4 8.0 5.7 0.2 1.5 1.2 1.2 1.2
    M6 × 1 6.00 5.21 12.0 11.5 3.6 3.3 2.5 4.6 4.3 10.0 6.8 0.3 1.9 1.6 1.4 1.4
    M8 × 1.25 8.00 7.04 16.0 15.5 4.8 4.5 3.2 6.0 5.6 13.0 9.2 0.4 2.3 2.0 1.9 1.9
    M10 × 1.5 10.00 8.86 20.0 19.4 6.0 5.7 4.0 7.5 7.1 16.0 11.2 0.4 2.8 2.5 2.4 2.4
    • a This size not specified for Type III square recessed pan heads; Type II cross recess is not specified for any size.
    • All dimensions in millimeters.

    Metric Slotted Flat Countersunk Head Cap A286 Screws ANSI/ASME B18.6.2

    Metric Slotted Flat Countersunk Head Cap A286 Screws ANSI/ASME B18.6.2
    Metric Slotted Flat Countersunk
    A286 Screws ANSI/ASME B18.6.2 Head Cap
    Nominal Sizea or Basic Screw Dia. Body Dia., E Head Dia., A Head Hgt., H Slot Width, J Slot Depth, T Filet Rad., U
    Edge Sharp Edge Rnd’d or Flat
    Max Min Max Min Ref Max Min Max Min Max
    1⁄4 0.2500 .2500 .2450 .500 .452 .140 .075 .064 .068 .045 .100
    5⁄16 0.3125 .3125 .3070 .625 .567 .177 .084 .072 .086 .057 .125
    3⁄8 0.3750 .3750 .3690 .750 .682 .210 .094 .081 .103 .068 .150
    7⁄16 0.4375 .4375 .4310 .812 .736 .210 .094 .081 .103 .068 .175
    1⁄2 0.5000 .5000 .4930 .875 .791 .210 .106 .091 .103 .068 .200
    9⁄16 0.5625 .5625 .5550 1.000 .906 .244 .118 .102 .120 .080 .225
    5⁄8 0.6250 .6250 .6170 1.125 1.020 .281 .133 .116 .137 .091 .250
    3⁄4 0.7500 .7500 .7420 1.375 1.251 .352 .149 .131 .171 .115 .300
    7⁄8 0.8750 .8750 .8660 1.625 1.480 .423 .167 .147 .206 .138 .350
    1 1.0000 1.0000 .9900 1.875 1.711 .494 .188 .166 .240 .162 .400
    11⁄8 1.1250 1.1250 1.1140 2.062 1.880 .529 .196 .178 .257 .173 .450
    11⁄4 1.2500 1.2500 1.2390 2.312 2.110 .600 .211 .193 .291 .197 .500
    13⁄8 1.3750 1.3750 1.3630 2.562 2.340 .665 .226 .208 .326 .220 .550
    11⁄2 1.5000 1.5000 1.4880 2.812 2.570 .742 .258 .240 .360 .244 .600
    • a When specifying a nominal size in decimals, the zero preceding the decimal point is omitted as is any zero in the fourth decimal place.
    • All dimensions are in inches.

    A286 Cres 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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