ASTM A479 Alloy 20 Fasteners

Alloy ASTM A479 Hexagon Nut, Alloy UNS N08020 Allen Cap Screw, Alloy 20 Star Washers, Alloy Carpenter 20 Hex Bolts, INOX 2.4660 Fasteners, Alloy 20 Marine Anchors Bolts, ASTM A479 Alloy 20 Dome Nuts, Alloy 20 Hurricane Bolts, Alloy 20 Alloy Threaded Rod, Alloy 20 Bonded Sealing Washers, AFNOR Z2NCUD31-20AZ Flange Bolts, EN NiCr20CuMo Plain Washer Manufacturer in India.

Neelkamal Alloys LLP is a known distributor and manufacturer of Alloy Carpenter 20 Fasteners, which is extraordinarily proof against corrosion in oxidizing and decreasing environments.

The weld region can as properly be warmness shaped to make the seam much less observable. It is frequently has tighter dimensional tolerances than seamless, and may be less expensive if synthetic within the equal quantities. Alloy 20Cb3 Nuts also are utilized in one of kind industries like Oil Refineries, Fertilizer Plants, Sugar Industry, Steel Plants, etc. They have exquisite resistance to chloride pitting, crevice corrosion and strain corrosion cracking. Oxyacetylene welding have to be prevented because of opportunity of carburization. Hot-operating is finished the usage of a 2050 Degree F (1121 Degree C) most furnace temperature.

Alloy 20 Fasteners

Alloy Carpenter 20 Hex Cap Screws, Carpenter 20 Foundation Bolts, Alloy 20 Hex Head Screw, Alloy 20 Flat Washer, ASTM A479 Alloy Carpenter 20 Threaded Rod, Alloy AFNOR Z2NCUD31-20AZ Hex Head Nut, Alloy UNS N08020 Dome Tooth Washers, ASTM A479 Alloy 20 Square Neck Bolts, Alloy 20 Hex Nuts, Alloy Carpenter 20 Structural Bolts, ASTM F593 Fasteners, Alloy 20 Thread Rolling Screws Supplier in Mumbai, India.

It is an alloy with moderate strength and proper resistance to oxidation and carburization at improved temperatures. UNS N08020 Bolts is regularly utilized in plane construction, particularly in making the frames and pores and skin of experimental rocket planes and in lots of others. Our wide-ranging stock of fasteners is to be had to meet applications that entail terrific strength, even at hovering temperature, and great resistance to sternly corrosive environments. But, it's been verified for lengthy-time period carrier existence whilst it's far utilized in pipe and so cannot be hard-bitten with the aid of using thermal action. It is supposed to enrol in pipe to valves and fittings or to different sections of pipe, fillet-kind seal welds be used.

Another gain of it's far that the swaging motion of the dual ferrules triumphs over dissimilarities in tubing wall hardness, thickness and dimensional forbearance WNR 2.4660 Washers They are getting used for various stream structures for extraordinary fluids and gases, coil tubes provide the functionality for widespread period tube installations without a want for unification fittings. They have an extremely higher formability and may be welded within the direction of top notch grace through all fashionable means. All our finished alloys are comprehensively examined for best earlier than packaging them for dispatch. These best functions are utilized in numerous industries which include chemical, sugar, pharmaceutical and engineering widely.

Alloy 20 Fasteners Specifications

Grade Alloy 20 | (UNS N08020)
Alloy 20 Fasteners Specifications ASTM F593, F594, F1554 / ASME SF593, F594, F1554
Alloy 20 Alloy Fasteners size Bolt / Screw Size : M3 - M56 | 3/6" to 2" | Custom Sizes
Nuts Size : M3 - M56 | 3/6" to 2" | Custom Sizes
Washers Size : M3 - M56 | 3/6" to 2" | Custom Sizes
Machine Screws Size : M1.6 - M12
Self Tapping Screw Size : No.2 - No. 14
Alloy 20 Fasteners Length 3 mm to 200 mm
Alloy 20 Studs, Bolts, Threads UNF, BSW, BSF, METRIC, UNC, or as required
Standard of Alloy 20 Fasteners DIN : DIN 934, DIN 931, DIN 970, DIN 933
UTS : UNEF, NPT, UNC, UNS, UNF, NPTF
ISO : JIS standards, ISO 4033, ISO 4032,
ANSI – American National Standards Institute
ASME B18.5
ANSI B 28.2.4 1M
as per defined in ASME B16.5 standard Alloy® Carpenter 20 Stud Bolt length
ANSI B 18.2.4 2M
as per defined in ASME B18.2.2 Alloy Carpenter 20 Hex nuts
Form of Alloy Carpenter 20 Fasteners Hex, Threading, Square, Round as per Gauge Etc.
Types of Alloy 20 Bolts Alloy Hex Bolt, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Counter sunk Bolts etc.
Types of Alloy 20 Nut Alloy Hex Head Nut, Eye Nut, Dome Nut, Wing Nut, T Nut, Panel Nut, Lock Nut, Coupling Nut, Square Nut, Acorn Nut etc.
Types of Alloy 20 Screw Alloy Hex Head Cap Screws, Socket Set Screws, Anchor Screws, Blind Rivet, Socket Head Screws, Concrete Screws, Shoulder Screws, Panel Screws, Threaded Screws, Machine Screws etc.
Types of Alloy 20 Washer Alloy Machine Washers, Flat Washer, Star Washers, Sealing Washer, Lock Washer, Split Washer etc.
Raw materials Source JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc.
Threads Configuration ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Certification Dual Certified As per ASTM & ASME Codes
Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Threads Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically
Test Certificate of Alloy Carpenter 20 Bolting as per EN 10204 / 3.1 Manufacturer Test Certificate
Additional Certifications PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Production process M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC
Head drive of Alloy Carpenter 20 Bolts Six-Lobe,Phillips,Phillips/Slot, Slotted etc
Packing of Alloy Carpenter 20 Fasteners IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request
Surface Coating Ptfe Coated Alloy 20 Fasteners
Phosphate Coating
Teflon Coating
Zinc Coating
Hot Dipped Galvanizing Coating
Cadmium Coating
Xylon Coating
Alloy 20 Fasteners finishing Alloy : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Alloy Alloy, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel
Zinc (blue, black, yellow, white), black oxide,
Types of Alloy 20 Fasteners
ASTM A479 Alloy 20 Bolts
ASTM A479 Alloy 20 Bolts

ASTM A479 Alloy 20 Bolts, ASME SB574 Carpenter 20 Hex Bolt, Alloy 20 Heavy Hex Head Bolts, Alloy UNS N08020 J Bolts, Alloy DIN. 2.4660 Shoulder Bolts, Alloy AFNOR Z2NCUD31-20AZ Machine Bolts, Alloy 20 Elevator Bolts, Alloy 20 EN NiCr20CuMo U Bolts, Alloy 20 Carriage Bolts, Alloy 20 Eye Bolts

ASTM A479 Alloy 20 Nuts
ASTM A479 Alloy 20 Nuts

ASTM A479 Alloy 20 Hex Nuts, ASME SB574 Carpenter 20 Square Nuts, Alloy 20 Heavy Hex Head Nuts, Alloy UNS N08020 Lock Nuts, Alloy DIN. 2.4660 Dome Nuts, Alloy AFNOR Z2NCUD31-20AZ Nylock Nuts, Alloy 20 Wing Nuts, Alloy 20 EN NiCr20CuMo Coupling Nuts, Alloy 20 Hex Jam Nuts, Alloy 20 Slotted Nuts

ASTM A479 Alloy 20 Screw
ASTM A479 Alloy 20 Screw

ASTM A479 Alloy 20 Allen Cap Screw, ASME SB574 Carpenter 20 Screw, Alloy 20 Socket Head Cap Screw, Alloy UNS N08020 Hex Head Screws, Alloy DIN. 2.4660 Self Tapping Screws, Alloy AFNOR Z2NCUD31-20AZ Metric Set Screws, Alloy 20 Thread Rolling Screw, Alloy 20 EN NiCr20CuMo Concrete Screw, Alloy 20 Wood Screw, Alloy 20 Machine Screws

ASTM A479 Alloy 20 Washers

ASTM A479 Alloy 20 Washer, ASME SB574 Carpenter 20 PLain Washer, Alloy 20 Lock Washers, Alloy UNS N08020 Beveled Washers, Alloy DIN. 2.4660 Ogee Washer, Alloy AFNOR Z2NCUD31-20AZ Split/Lock Washer, Alloy 20 Tooth Lock Washer, Alloy 20 EN NiCr20CuMo Countersunk Washer, Alloy 20 Dock Washer, Alloy 20 Square Washer

ASTM A479 Alloy 20 Stud Bolts‎
ASTM A479 Alloy 20 Stud Bolts‎

ASTM A479 Alloy 20 Stud, ASME SB574 Carpenter 20 Full Threaded Stud Bolts, Alloy 20 Half Threaded Stud Bolt, Alloy UNS N08020 Threaded Rod, Alloy DIN. 2.4660 Double Ended Studs, Alloy AFNOR Z2NCUD31-20AZ Tap End Studs, Alloy 20 Reduced Shank Stud Bolt, Alloy 20 EN NiCr20CuMo Stud Bolts, Alloy 20 Single End Stud Bolts, Alloy 20 Tie Rod

ASTM A479 Alloy 20 Anchor Bolt
ASTM A479 Alloy 20 Anchor Bolt

ASTM A479 Alloy 20 Anchor Bolt, ASME SB574 Carpenter 20 Sleeve Anchor Bolts, Alloy 20 Wedge Anchor Bolt, Alloy UNS N08020 J Anchor Bolts, Alloy DIN. 2.4660 High Tensile Anchor Bolt, Alloy AFNOR Z2NCUD31-20AZ Anchor Bolt, Alloy 20 Anchor Bolt, Alloy 20 EN NiCr20CuMo Anchor Bolts, Alloy 20 Marine Anchors Bolts, Alloy 20 Anchor Bolt

ASTM A479 Alloy 20 Fasteners Equivalent Grades
STANDARD WERKSTOFF NR. UNS JIS EN
Alloy 20 2.4660 N08020 AFNOR Z2NCUD31-20AZ NiCr20CuMo
ASTM A479 Alloy 20 Fasteners Price List

Contact us or click on request a quote button to get our competitive prices for Alloy 20 Fasteners. Neelkamal Alloys LLP maintain the large inventory of high quality ASTM A479 Alloy 20 Fasteners for sale to our clients throughout globally.

Alloy 20 Fasteners Chemical Composition
Grade C Mn Si Co P Fe Mo Ni Cr S W V
Alloy 20 0.010 max 0.50 max 0.08 max 2.5 max 0.02 max 2 – 6 12.5 – 14.5 Bal 20 – 22.5 0.02 max 2.5 – 3.5 0.35 max
Alloy 20 Fasteners Mechanical Properties
Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Alloy 20 8.69 g/cm3 1399 °C (2550 °F) Psi – 1,00,000 , MPa – 690 Psi – 45000 , MPa – 310 45%
ANSI And/Or ASME Standards Alloy Fasteners(Inch Series)
ASME B18.1.1 Small Solid Rivets ASME B18.8.1 Clevis Pins and Cotter Pins
ASME B18.1.2 Large Rivets ASME B18.8.2 Taper Pins, Dowel Pins, Straight Pins, Grooved Pins and Spring Pins
ASME B18.2.1 Square and Hex Bolts and Screws ASME B18.9 Plow Bolts
ASME B18.2.2 Square and Hex Nuts ASME B18.10 Track Bolts and Nuts
ASME B18.2.6 Fasteners for use in Structural Applications ASME B18.11 Miniature Screws
ASME B18.3 Socket Cap, Shoulder and Set Screws ASME B18.13 Screws and Washer Assemblies (Sems)
ASME B18.5 Round Head Bolts ASME B18.15 Forged Eyebolts
ASME B18.6.2 Slotted Head Cap Screws, Square Head Set Screws, and Slotted Headless Set Screws ASME B18.17 Wing Nuts, Thumb Screws and Wing Screws
ASME B18.6.3 Machine Screws and Machine Screws Nuts ASME B18.21.1 Lock Washers
ASME B18.6.4 Thread Forming and Thread Cutting Tapping Screws and Metallic Drive Screws ASME B18.22.1 Plain Washers
ASME B18.7 General Purpose Semi- Tubular Rivets, Full Tubular Rivets, Split Rivets and Rivet Caps ASME B18.23.1 Beveled Washers
ASTM A479 Alloy 20 Hex Bolt Dimensions
Nominal Size (D) Body Diameter Head Thickness ASTM A193 Acro ASTM A193 The Flats Acro ASTM A193 Corners
D (MAX) D (MIN) H (MAX) H (MIN) F (MAX) F (MIN) C (MAX) C (MIN)
m10 10.00 9.78 6.63 6.17 17.00 15.73 18.48 17.77
m12 12.00 11.73 7.76 4.24 19.00 17.73 20.78 20.03
m14 14.00 13.73 9.09 8.51 22.00 20.67 24.25 23.35
m16 16.00 15.73 10.32 9.68 24.00 23.67 27.71 26.75
m20 20.00 19.67 12.88 12.12 30.00 29.16 34.64 32.95
m24 24.00 23.67 15.44 14.56 36.00 35.00 41.57 39.55
m30 30.00 29.67 19.48 17.92 46.00 45.00 53.12 50.85
m36 36.00 35.61 23.38 21.63 55.00 53.80 63.51 60.79
m42 42.00 41.38 26.97 25.03 65.00 62.90 75.06 71.71
m48 48.00 47.38 31.07 28.93 75.00 72.60 86.60 82.76
m56 56.00 55.26 36.2 33.80 85.00 82.20 98.15 93.71
m64 64.00 63.26 41.32 38.68 95.00 91.80 109.70 104.65
m72 72.00 71.26 46.45 43.55 105.00 101.40 121.24 115.60
m80 80.00 79.26 51.58 48.42 115.00 111.00 132.72 126.54
m90 90.00 89.13 57.74 54.26 130.00 125.50 150.11 143.07
m100 90.00 99.13 63.9 60.10 145.00 140.00 167.43 159.60
Alloy 20 Bolts Weight Chart
MM THREADS AS PER IS 1363/67
APPROXIMATE WEIGHT IN KGS FOR 100 NOS
LENGTH DIAMETER
M 5 M 6 M 8 M 10 M 12 M 14 M 16 M 18 M 20 M 22
16 mm 0.448 0.743 1.590 3.211            
20 mm 0.598 0.812 1.711 3.411 4.892          
25 mm 0.660 0.897 1.871 3.660 5.252 8.170        
30 mm 0.737 1.010 2.070 3.912 5.574 9.690 10.707   18.657  
35 mm 0.804 1.120 2.271 4.223 5.974 10.000 11.416 16.026 19.608  
40 mm 0.881 1.230 2.470 4.533 6.410 10.288 12.107 16.667 20.747  
45 mm 0.958 1.340 2.671 4.840 6.859 10.504 12.821 17.241 21.739  
50 mm 1.030 1.450 2.870 5.155 7.299 11.261 13.624 17.857 22.727 28.409
55 mm   1.560 3.071 5.464 7.740 11.628 14.409 18.868 23.810 30.120
60 mm   1.670 3.270 5.774 8.183 12.255 15.244 20.000 25.126 32.051
65 mm   1.781 3.472 6.083 8.621 12.626 16.026 21.008 26.455 34.014
70 mm   1.890 3.671 6.394 9.058 12.987 16.835 22.124 27.778 35.461
75 mm   2.000 3.873 6.702 9.506 13.228 17.606 23.256 29.070 39.063
80 mm   2.111 4.072 7.013 10.000 13.889 18.248 24.510 30.303 40.000
90 mm     4.472 7.634 10.917 14.925 19.841 26.042 33.113 41.667
100 mm     4.873 8.251 11.820 16.340 21.459 27.778 35.714 46.296
110 mm       8.881 12.723 17.730 23.041 31.250 38.168 47.170
120 mm       9.506 13.624 18.797 24.631 32.895 40.984 50.000
130 mm       10.101 14.535 20.000 26.316 34.722 43.478 52.632
140 mm       10.707 15.432 20.833 27.933 35.461 46.296 55.556
150 mm       11.312 16.340 22.222 29.412 37.594 48.544 58.824
160 mm       11.905 17.241 24.272 31.056 40.984 50.505 61.728
170 mm       12.500 18.116   32.680   53.191 64.935
180 mm       13.123 19.011 26.882 34.247   55.556 67.568
190 mm       13.736 19.920   35.971   58.140 70.423
200 mm       14.327 20.833 29.586 37.594 49.020 60.976 73.529
220 mm       15.528 22.624   40.650   65.789 79.365
240 mm       16.722 24.510   43.860   71.429 84.746
250 mm       17.301 25.381   45.455   74.627 87.719
260 mm       17.921 26.316   47.170   76.923 90.909
280 mm       19.157 28.090   50.505   81.967 98.039
300 mm       20.325 29.940   53.763   87.719 104.167
320 mm         31.646   56.818   92.593  
340 mm         33.557   60.241   98.039  
360 mm         35.211   63.291   104.167  
380 mm         37.037   66.667   108.696  
400 mm         39.063   69.444   113.636
Alloy 20 Nuts Dimensions
Nominal Size or Basic Major Thread Diameter F G H
Width Across Flats Width Across Corners Thickness
Basic Max Min Max Min Basic Max Min
1/4 .2500 1/2 .500 .488 .577 .556 15/64 .250 .218
5/16 .3125 9/16 .562 .546 .650 .622 19/64 .314 .280
3/8 .3750 11/16 .688 .669 .794 .763 23/64 .377 .341
7/16 .4375 3/4 .750 .728 .866 .830 27/64 .441 .403
1/2 .5000 7/8 .875 .850 1.010 .969 31/64 .504 .464
9/16 .5625 15/16 .938 .909 1.083 1.037 35/64 .568 .526
5/8 .6250 1-1/16 1.062 1.031 1.227 1.175 39/64 .631 .587
3/4 .7500 1-1/4 1.250 1.212 1.443 1.382 47/64 .758 .710
7/8 .8750 1-7/16 1.438 1.394 1.660 1.589 55/64 .885 .833
1 1.0000 1-5/8 1.325 1.575 1.876 1.796 63/64 1.012 .956
1-1/8 1.1250 1-13/16 1.812 1.756 2.093 2.002 1-7/64 1.139 1.079
1-1/4 1.2500 2 2.000 1.938 2.309 2.209 1-7/32 1.251 1.187
1-3/8 1.3750 2-3/16 2.188 2.119 2.526 2.416 1-11/32 1.378 1.460
1-1/2 1.5000 2-3/8 2.375 2.300 2.742 2.622 1-15/32 1.505 1.433
1-5/8 1.6250 2-9/16 2.562 2.481 2.959 2.828 1-19/32 1.632 1.556
1-3/4 1.7500 2-3/4 2.750 2.662 3.175 3.035 1-23/32 1.759 1.679
2 2.0000 3-1/8 3.125 3.025 3.608 3.449 1-31/32 2.013 1.925
2-1/4 2.2500 3-1/2 3.500 3.388 4.041 3.862 2-13/64 2.251 2.155
2-1/2 2.5000 3-7/8 3.875 3.750 4.474 4.275 2-29/64 2.505 2.401
2-3/4 2.7500 4-1/4 4.250 4.112 4.907 4.688 2-45/64 2.759 2.647
3 3.0000 4-5/8 4.625 4.475 5.340 5.102 2-61/64 3.013 2.893
3-1/4 3.2500 5 5.000 4.838 5.774 5.515 3-3/16 3.252 3.124
3-1/2 3.5000 5-3/8 5.375 5.200 6.207 5.928 3-7/16 3.506 3.370
3-3/4 3.7500 5-3/4 5.750 5.562 6.640 6.341 3-11/16 3.670 3.616
4 4.0000 6-1/8 6.125 5.925 7.073 6.755 3-15/16 4.014 3.862
ASTM A479 Alloy 20 Plain Washer Dimension
Size Inside Diameter Outside Diameter Thickness
3/16 1/4" 9/16" 3/64"
1/4 5/16" 3/4" 1/16"
3/8 7/16" 1" 5/64"
7/16 1/2" 1-1/4" 5/64"
1/2 9/16" 1-3/8" 7/64"
9/16 5/8" 1-1/2" 7/64"
5/8 11/16" 1-3/4" 9/64"
3/4 13/16" 2" 5/32"
5/16 3/8" 7/8" 5/64"
7/8 15/16" 2-1/4" 1/64"
1 1-1/16" 2-1/2" 11/64"
1-1/8 1-1/4" 2-3/4" 11/64"
1-1/4 1-3/8" 3" 11/64"
1-3/8 1-1/2" 3-1/4" 3/16"
1-5/8 1-3/4" 3-3/4" 3/16"
1-3/4 1-7/8" 4" 3/16"
2 2-1/8" 4-1/2" 3/16"
2-1/2 2-5/8" 4-1/2" 3/16"
3 3-1/8" 5-1/2" 9/32"
1-1/2 1-5/8" 3-1/2" 3/16"
ASTM A479 Alloy 20 Stud Bolt Size Chart
 Class 150 Flanges ASME B16.5 (Stud bolt sizes) Length of Stud Bolts 
NPS Outside Diameter of Flange The diameter of Bolt Circle The diameter of Bolt Holes Number of Bolts Diameter of Bolts Raised Face
0.06 in
Ring Joint
1/2 3 1/2 2 3/8 5/8 4 1/2 2 1/4
3/4 3 7/8 2 3/4 5/8 4 1/2 2 1/2
1 4 1/4 3 1/8 5/8 4 1/2 2 1/2 3
1 1/4 4 5/8 3 1/2 5/8 4 1/2 2 3/4 3 1/4
1 1/2 5 3 7/8 5/8 4 1/2 2 3/4 3 1/4
2 6 4 3/4 3/4 4 5/8 3 1/4 3 3/4
2 1/2 7 5 1/2 3/4 4 5/8 3 1/2 4
3 7 1/2 6 3/4 4 5/8 3 1/2 4
3 1/2 8 1/2 7 3/4 8 5/8 3 1/2 4
4 9 7 1/2 3/4 8 5/8 3 1/2 4
5 10 8 1/2 7/8 8 3/4 3 3/4 4 1/4
6 11 9 1/2 7/8 8 3/4 4 4 1/2
8 13 1/2 11 3/4 7/8 8 3/4 4 1/4 4 3/4
10 16 14 3/4 1 12 7/8 4 1/2 5
12 19 17 1 12 7/8 4 3/4 5 1/4
14 21 18 3/4 1 1/8 12 1 5 1/4 5 3/4
16 23 1/2 21 1/4 1 1/8 16 1 5 1/4 5 3/4
18 25 22 3/4 1 1/4 16 1 1/8 5 3/4 6 1/4
20 27 1/2 25 1 1/4 20 1 1/8 6 1/4 6 3/4
24 32 29 1/2 1 1/4 20 1 1/4 6 3/4 7 1/4
Class 300 Flanges ASME B16.5 Length of Stud Bolts 
NPS Outside Diameter of Flange The diameter of Bolt Circle The diameter of Bolt Holes Number of Bolts Diameter of Bolts Raised Face
0.06 in
Ring Joint
1/2 3 3/4 2 5/8 5/8 4 1/2 2 1/2 3
3/4 4 5/8 3 1/4 3/4 4 5/8 3 3 1/2
1 4 7/8 3 1/2 3/4 4 5/8 3 3 1/2
1 1/4 5 1/4 3 7/8 3/4 4 5/8 3 1/4 3 3/4
1 1/2 6 1/8 4 1/2 7/8 4 3/4 3 1/2 4
2 6 1/2 5 3/4 8 5/8 3 1/2 4
2 1/2 7 1/2 5 7/8 7/8 8 3/4 4 4 1/2
3 8 1/4 6 5/8 7/8 8 3/4 4 1/4 4 3/4
3 1/2 9 7 1/4 7/8 8 3/4 4 1/4 5
4 10 7 7/8 7/8 8 3/4 4 1/2 5
5 11 9 1/4 7/8 8 3/4 4 3/4 5 1/4
6 12 1/2 10 5/8 7/8 12 3/4 4 3/4 5 1/2
8 15 13 1 12 7/8 5 1/2 6
10 17 1/2 15 1/4 1 1/8 16 1 6 1/4 6 3/4
12 20 1/2 17 3/4 1 1/4 16 1 1/8 6 3/4 7 1/4
14 23 20 1/4 1 1/4 20 1 1/8 7 7 1/2
16 25 1/2 22 1/2 1 3/8 20 1 1/4 7 1/2 8
18 28 24 3/4 1 3/8 24 1 1/4 7 3/4 8 1/4
20 30 1/2 27 1 3/8 24 1 1/4 8 8 3/4
24 36 32 1 5/8 24 1 1/2 9 10
ASTM A479 Alloy 20 Stud Bolt Torque Chart
Flange
Size
B16.5 Class 150 RF/ Ring Gaskets B16.5 Class 150 FF/ Full Face Gaskets
Torque / Round (ft-lbs) Stud Bolts Tighten Sequence Torque / Round (ft-lbs) Stud Bolts Tighten Sequence
1st 2nd Final Dwg/No. Bolt Size 1st 2nd Final Dwg*/No. Bolt Size
1/2″ 10 20 30 4-bolt 1/2″ 20 40 60 4-bolt 1/2″
3/4″ 13 27 40 4-bolt 1/2″ 20 40 60 4-bolt 1/2″
1″ 15 30 50 4-bolt 1/2″ 20 40 60 4-bolt 1/2″
1-1/4″ 20 40 60 4-bolt 1/2″ 20 40 60 4-bolt 1/2″
1-1/2″ 20 40 60 4-bolt 1/2″ 20 40 60 4-bolt 1/2″
2″ 40 80 120 4-bolt 5/8″ 40 80 120 4-bolt 5/8″
2-1/2″ 40 80 120 4-bolt 5/8″ 40 80 120 4-bolt 5/8″
3″ 40 80 120 4-bolt 5/8″ 40 80 120 4-bolt 5/8″
3-1/2″ 40 80 120 8-bolt 5/8″ 40 80 120 8-bolt 5/8″
4″ 40 80 120 8-bolt 5/8″ 40 80 120 8-bolt 5/8″
5″ 60 120 200 8-bolt 3/4″ 60 120 200 8-bolt 3/4″
6″ 60 120 200 8-bolt 3/4″ 60 120 200 8-bolt 3/4″
8″ 60 120 200 8-bolt 3/4″ 60 120 200 8-bolt 3/4″
10″ 95 190 320 12-bolt 7/8″ 95 190 320 12-bolt 7/8″
12″ 95 190 320 12-bolt 7/8″ 95 190 320 12-bolt 7/8″
14″ 147 294 490 12-bolt 1″ 147 294 490 12-bolt 1″
16″ 147 294 490 16-bolt 1″ 147 294 490 16-bolt 1″
18″ 213 426 710 16-bolt 1-1/8″ 213 426 710 16-bolt 1-1/8″
20″ 213 426 710 20-bolt 1-1/8″ 213 426 710 20-bolt 1-1/8″
24″ 300 1,000 20-bolt 1-1/4″ 300 1,000 20-bolt 1-1/4″
ASTM / DIN Specification Of Alloy 20 Fasteners
ASTM A479 ASTM B446 ASTM F2281
ASTM A479M ASTM B446M ASTM A962
ASTM A320 ASTM F593-13a ASTM A962M
ASTM A320M ASTM F594-15
DIN 580 DIN 6914 DIN 6921
DIN 582 DIN 3570 DIN 603
DIN 444 DIN 7990 DIN 2510
DIN 939 DIN 1B DIN 976
DIN 933 DIN 529 DIN 912
DIN 931 DIN 6325
ASTM A479 Alloy 20 Fasteners Standard
Hexagon Bolt / Set Screws Stud Bolt Hexagon Nuts Socket Cap screws
DIN 931 BS4882 DIN 934 DIN 912
DIN 933 DIN 976 BS 1768 DIN 6912
BS 1768 BS 1769 DIN 7984
UNI 5731 BS 1083 ANSI B18.3
UNI 5739 BS 3692 ISO 4762
ISO 4014 ISO 4032 UNI 5931
ISO 4017 ISO 4033 BS 2470
BS 1769 ANSI B18.2.2 BS 4168
BS 3692
ANSI B18.2.1
Socket & Slotted Set Screws Socket & Slotted Countersunk Screws Studs Washers
DIN 913 DIN 963 DIN 938 DIN 125
DIN 914 DIN 7991 DIN 939 DIN 9021
DIN 915 BS 4168 DIN 2510 BS 4320
DIN 916 BS 1981 BS 4439 BS 3410
DIN 551 BS 483 BS 2693
DIN 553 BS 2470 Spring Washers
DIN 438 DIN 127
BS 4168 BS 4464
BS 1802
Other Types of Grade 20 Alloy Fasteners in Stock
Carpenter 20 Spring Nuts Alloy 20 Self Tapping Screw
Carpenter 20 Threaded Stud ASTM A479 Alloy 20 Spring Washers
Carpenter 20 Threaded Rod Alloy 20 Flange Lock Nut
INOX 2.4660 Particle Board Screw Exporter Alloy 20 Concrete Screw
Alloy 20 Square Bolts Alloy 20 Hexagonal Nuts
DIN 2.4660 Fender Washers UNS N08020 Machine Screws
Alloy 20 IS/BS Eye Screws Carpenter 20 Plain Washers Supplier
B574 Alloy 20 T-Head Bolts Alloy 20 Flange Nuts
Alloy 20 Jam Nuts Exporter B574 Carpenter 20 Countersunk Washers
Alloy 20 Ogee Washers Carpenter 20 Alloy U- Bolts Supplier
Alloy 20 Hex Head Fasteners Alloy 20 Lag Fasteners
Alloy 20 B179 Round Bend Hook Bolts ASME SB479 Alloy Carpenter 20 Studs
Carpenter 20 Elevator Bolt ASTM A479 Alloy 20 Machine Bolt
Alloy AFNOR Z2NCUD31-20AZ Fasteners Supplier Type Alloy 20 Bolted Joints
ASTM A479 Alloy 20 Bolted Joints Alloy 20 Fastener Supplier
Alloy 20 Flat Washers Carpenter 20 Machine Fasteners Dealer
Alloy 20 Decking Screws Carpenter 20 Connector Bolts
Alloy 20 Hex Head Bolt Alloy® UNS N08020 Socket Cap Screw
ANSI B18.2 Carpenter 20 Carriage Bolt Nickel Alloy 20 Flange Bolt
Alloy 20 Hex Set Screw Alloy Grade 20 Industrial Fasteners
ASTM F594 Gr. 20 Hex Coupling Nut INOX 2.4660 Alloy® Hex Domed Cap Nuts Exporter
NiCr20CuMo Alloy Hex Washers Alloy 20 Alloy Split / Lock Washer Supplier
Carpenter 20 Hexagonal Washer Nickel Alloy 20 Self Locking Nuts
NiCr20CuMo Alloy Square Washer Dealer Carpenter 20 Fasteners Stockist
ASTM F59 Alloy 20 Coupling Nut UNS N08020 Alloy 20 Wing Nuts
Alloy 20 Mushroom Head Square Neck Bolts Carpenter 20 Allen Cap Screw Stockists
Alloy 20 Fasteners Supplier in Mumbai Carpenter 20 Fasteners Manufacturer in India
Alloy NiCr20CuMo Hanger Bolt Supplier Suppliers of Alloy 20 Draw Bolt
B574 Grade 20 T-Head Bolts ASTM F593 Alloy 20 Structural Bolts
Alloy 20 Foundation Bolts Alloy 20 Double Ended Stud
Carpenter 20 Thread Rolling Screw Alloy 20 Alloy Construction screws
Alloy WNR. 1.4306 Dock Washer Alloy AFNOR Z2NCUD31-20AZ Customized Washer
Wrought Austenitic Alloy 20 Fasteners ASTM F593 Carpenter 20 Fender Washer at Best Price
Carpenter 20 Thread Cutting Screw Alloy 20 Countersunk Washer
ASTM A479 Alloy 20 Tooth Lock Washer 20 Alloy NiCr20CuMo Ogee Washer