SDSS Bolts and Studs manufacturer in India
Table of Content
View various head types of Super Duplex Steel Self Tapping Screw
Super Duplex Fasteners Sizes & Thread
Super duplex heavy duty fasteners sizes
- Imperial SDSS fasteners: 1/4″ to 4″
- Metric Super duplex fasteners: M1.2 - M48
Thread class
- Class 1A/1B
- Class 2A/2B
- Class 3A/3B
- 8-Thread Series
Head Types
- Truss
- Flat
- Button head
- Frearson Drive
American standard
- ASTM A276
- ASTM A479
Check available threads types of SDSS Nuts and Socket Head Screw
Super Duplex Alloy Fastners Specification Chart
SDSS large fasteners required testing & certificates
- Rockwell / Brinell Hardness test
- Tensile test
- Impact testing
- Microstructure Analysis
- Charpy V-notch test
Super duplex industrial fasteners manufacturing method
- Cold forging
- CNC machined
- Hot forging
Origin of material
- Japanese
- Russian
- USA
- Korean
- European
- Indian
Ends
- Chamfer end
- Sheared end
- Half point
- 45 degree angle cut
- Cone point
- Semi-cone point
- Milled end
- Gimlet point
- Chisel point
SDSS Fastners meet standards
- ANSI B 28.2.4 1M
- SAE -America
- ISO
- ASTM A1082
- ASME B1.5
- ASME B1.1
- GB T5783 /T5782 / 5783
- DIN 933
- ISO 4014
- DIN 7991
Super duplex hot forging fasteners thread types
- Metric fine
- Fine Thread (UNF)
- UNJ
- Coarse thread (UNC)
- 8-Thread Series(8UN)
- Metric coarse
- Trapezoidal
- 12-thread series (12-UN)
- ACME
- UNEF
Need urgent delivery
- Get Quick Quote & delivery by Air, mail us at info@namanpipe.com
Surface treatments
- Black Finish
- Zinc Nickel
- Black Oxide
- Clear Zinc Plated
- PTFE / Teflon
- Mechanical
MTC
- EN 10204 3.1 Manufacturer Test Certificate / PED 97/23/EC Certified
Melting point of SDSS fasteners
- 2460 °F
Super duplex steel marine fasteners Density
- Density (g/cm 3) : 7.8
Delivery time (If not in Stock)
- 10-12 days
Value added services offer by Naman Pipe & Tubes
- Cross Drilling
- Expedited Services
- Packaging: Bags, Box and Labeling
- Grooving
- Factory Direct Shipments
- Cut Off & Chamfer
- Cut Threading
- Drilling & Tapping
- Milling
Uses & applications
- Offshore
- Solar plants
- Aerospace
- Petrochemical plants
- Flange joints
- Bridge construction
- Construction
- Wind mills
- Ship building
- Rigs
- Automotive industry
Types of super duplex fasteners
- Super Duplex machine fasteners
- Super Duplex Steel heavy duty fasteners
- SDSS high temperature fasteners
- Super duplex alloy automotive fasteners
- Super Duplex Steel high strength fasteners
Material equivalents
- UNS S32750
- Alloy 2507
- SAF 2507
Manufacturing process
- Hot Finished
- Cold Finished
Inventory delivery time
- 3-5 days
Super Duplex Steel Threaded Rod and Washer are manufactured according to ASME B16.2.1 standard
Dimensional standard of SDSS High Strength Fasteners
Testing methods
- Fatigue test on H specimens
- Hardness testing
- Carburization test
- Charpy impact tests
- Retempering test
- Fatigue tests on screws
- Decarburization test
- Tensile test
- Head soundness test
- Proof Load Test
- Torsion test
Testing standards of SDSS high strength fasteners
- ISO 17781
- ASTM A923
- ISO 898-1
Dimensional standard
- DIN 933
- DIN 975
- DIN 976
- DIN 931
Support documents list with each delivery
- Purchase Requisitions
- Manufacturing, testing and inspection procedures
- NDE Procedure, PMI Procedure, Testing Procedures & PWHT Procedure
- Nonconformance records & Listing of applicable and authorized concessions
- Cross Sectional Assembly Drawings
- Calculation reports & Welding Procedures
- HIC test certificates
- Hardness testing & Impact test result
- Galvanizing certificates
Price List of Super Duplex Fasteners
$
8.16
Per Piece
M10 X 250MM SDSS STUD BOLT
$
17.85
Per Piece
M22 X 80 MM SUPER DUPLEX HEAVY HEX NUTS
$
76.17
Per Piece
HEX NUT M16 SUPER DUPLEX DIN 934
$
6.24
Per Nos
SOCKET SCREW 25% CR SDSS
$
0.56
Per Nos
SUper Duplex Steel Hexagon Head Bolt Din933
$
0.46
Per Nos
A182 SDSS Stud Hex Bolt
Super Duplex Anchor Bolts Chemical Composition
|
Ni
Nickel 6.0 -8.0 |
|
C
Carbon 0.03 |
|
Mo
Molybdenum 3.0 - 5.0 |
Cr
Chromium 24.0 - 26.0 |
|
|
N
Nitrogen 0.24 - 0.32 |
Mn
Manganese 1.20 |
|
|
P
Phosphorus 0.035 |
s
Sulfur 0.02 |
|
|
si
Silicon 0.80 |
Cu
copper 0.50 |
Refer tensile and yield strength of Super Duplex Alloy Fastners and SDSS Hex Bolts
ASTM A276 SDSS Bolt Mechanical Properties
|
Tensile Strength (MPa) min 800 |
|
Yield Strength 0.2% Proof (MPa) min 550 |
|
Elongation (% in 50mm) min 15 |
Hardness Brinell (HB) : 310 max |
Super Duplex Stud Bolts Equivalent Grade
| AFNOR | UNS | Werkstoff NR. |
|---|---|---|
| Z3 CN 25.06 Az | S32750 | 1.4410 |
Physical Properties of SDSS Nuts
| Density | lb/in3 | 0.28 |
|---|---|---|
| Thermal Conductivity | Btu/h ft °F | 8.7 |
| Coefficient of Thermal Expansion 68-212°F/°F |
x10-6/°F | 7.2 |
| Modulus of Elasticity | psi x 106 | 29 |
| Electrical Resistivity | W-in x 10-6 | 31.5 |
| Heat Capacity | Btu/lb/°F | 0.12 |
Super duplex fasteners manufacturers in India provide all standard sizes with custom coating at factory price
Various Types of Super Duplex Fasteners
Super Duplex Fasteners
Super Duplex Bolts
Super Duplex Stainless Steel Fasteners
Super Duplex Nuts and Bolts
SDSS Bolts And Nuts
Super Duplex Stud Bolts
Super Duplex Anchor Bolts
SDSS Bolts
Super Duplex Nuts And Bolts
Super Duplex Nuts
Super Duplex Washer
Super Duplex Screws
ASTM A276 SDSS Bolt
SDSS Stainless Steel Hex Nut
25cr SS Fasteners
ASTM A276 Super Duplex Nuts
SDSS Nuts
Super Duplex Socket Head Cap Screw
SDSS Stainless Steel Nut Bolt
25cr SS Hex Head Screws
SDSS Dowel Pin
Looking for super duplex fasteners manufacturers in India? Naman Pipe & Tubes is a ISO certified SDSS bolt supplier offers high discount on bulk order
Dimension of SDSS Flat Washer
| Bolt Size | SAE | USS | ||||
| OD (in.) | ID (in.) | Thickness | OD (in.) | ID (in.) | Thickness | |
| 1/8 (#6) | 0.375 | 0.156 | .036/.065 | - | - | - |
| 5/32 (#8) | 0.438 | 0.188 | .036/.065 | - | - | - |
| 3/16 (#10) | 0.500 | 0.220 | .036/.065 | 0.560 | 0.250 | .036/.065 |
| 7/32 (#12) | 0.562 | 0.250 | .051/.080 | - | - | - |
| 1/4 (#14) | 0.625 | 0.281 | .051/.080 | 0.734 | 0.312 | .051/.080 |
| 5/16 | 0.688 | 0.344 | .051/.080 | 0.875 | 0.375 | .064/.104 |
| 3/8 | 0.812 | 0.406 | .051/.080 | 1.000 | 0.438 | .064/.104 |
| 7/16 | 0.922 | 0.469 | .051/.080 | 1.250 | 0.500 | .064/.104 |
| 1/2 | 1.062 | 0.531 | .074/.121 | 1.375 | 0.562 | .086/.132 |
| 9/16 | 1.156 | 0.594 | .074/.121 | 1.469 | 0.625 | .086/.132 |
| 5/8 | 1.312 | 0.656 | .074/.121 | 1.750 | 0.688 | .108/.160 |
| 3/4 | 1.469 | 0.812 | .108/.160 | 2.000 | 0.812 | .122/.177 |
| 7/8 | 1.750 | 0.938 | .108/.160 | 2.250 | 0.938 | .136/.192 |
| 1 | 2.000 | 1.062 | .108/.160 | 2.500 | 1.062 | .136/.192 |
| 1 1/8 | 2.250 | 1.250 | .108/.160 | 2.750 | 1.250 | .136/.192 |
| 1 1/4 | 2.500 | 1.375 | .136/.192 | 3.000 | 1.375 | .136/.192 |
| 1 3/8 | 2.750 | 1.500 | .136/.213 | 3.250 | 1.500 | .153/.213 |
| 1 1/2 | 3.000 | 1.625 | .153/.213 | 3.500 | 1.625 | .153/.213 |
| 1 5/8 | - | - | - | 3.750 | 1.750 | .153/.213 |
| 1 3/4 | - | - | - | 4.000 | 1.875 | .153/.213 |
| 1 7/8 | - | - | - | 4.250 | 2.000 | .153/.213 |
| 2 | - | - | - | 4.500 | 2.125 | .153/.213 |
| 2 1/4 | - | - | - | 4.750 | 2.375 | .320/.248 |
| 2 1/2 | - | - | - | 5.000 | 2.625 | .210/.280 |
| 2 3/4 | - | - | - | 5.250 | 2.875 | .228/.410S |
| 3 | - | - | - | 5.500 | 3.125 | .249/.327 |
Super Duplex SS Hex Bolt Dimensions
| Nominal Size | Minimum Threaded Length |
Head Width | Threads per Inch |
Head Height |
||||
|---|---|---|---|---|---|---|---|---|
| Across Flats |
Across Corners |
|||||||
| Fraction | Decimal | ≤6" | >6" | Basic | Avg | UNC | UNF | Basic |
| 1/4 | 0.2500 | 3/4 | 1 | 7/16 | 1/2 | 20 | 28 | 5/32 |
| 5/16 | 0.3125 | 7/8 | 1 1/8 | 1/2 | 9/16 | 18 | 24 | 13/64 |
| 3/8 | 0.3750 | 1 | 1 1/4 | 9/16 | 41/64 | 16 | 24 | 15/64 |
| 7/16 | 0.4375 | 1 1/8 | 1 3/8 | 5/8 | 45/64 | 14 | 20 | 9/32 |
| 1/2 | 0.5000 | 1 1/4 | 1 1/2 | 3/4 | 55/64 | 13 | 20 | 5/16 |
| 9/16 | 0.5625 | 1 3/8 | 1 5/8 | 13/16 | 59/64 | 12 | 18 | 23/64 |
| 5/8 | 0.6250 | 1 1/2 | 1 3/4 | 15/16 | 1 1/16 | 11 | 18 | 25/64 |
| 3/4 | 0.7500 | 1 3/4 | 2 | 1 1/8 | 1 9/32 | 10 | 16 | 15/32 |
| 7/8 | 0.8750 | 2 | 2 1/4 | 1 5/16 | 1 31/64 | 9 | 14 | 35/64 |
| 1 | 1.0000 | 2 1/4 | 2 1/2 | 1 1/2 | 1 45/64 | 8 | 12 | 39/64 |
| 1 1/8 | 1.1250 | 2 1/2 | 2 3/4 | 1 11/16 | 1 29/32 | 7 | 12 | 11/16 |
| 1 1/4 | 1.2500 | 2 3/4 | 3 | 1 7/8 | 2 7/64 | 7 | 12 | 25/32 |
| 1 3/8 | 1.3750 | 3 | 3 1/4 | 2 1/16 | 2 21/64 | 6 | 12 | 27/32 |
| 1 1/2 | 1.5000 | 3 1/4 | 3 1/2 | 2 1/4 | 2 17/32 | 6 | 12 | 1 5/16 |
Super Duplex SS Hex Nut Dimensions
| Nominal Size or Basic Major Thread Diameter | G | F | H | ||||||
| Width Across Corners |
Width Across Flats |
Thickness | |||||||
| Max | Min | Basic | Max | Min | Basic | Max | Min | ||
| 1/4 | .2500 | .505 | .488 | 7/16 | .438 | .428 | 7/32 | .226 | .212 |
| 5/16 | .3125 | .577 | .557 | 1/2 | .500 | .489 | 17/64 | .273 | .258 |
| 3/8 | .3750 | .650 | .628 | 9/16 | .562 | .551 | 21/64 | .337 | .479 |
| 7/16 | .4375 | .794 | .768 | 11/16 | .688 | .675 | 3/8 | .385 | .365 |
| 1/2 | .5000 | .866 | .840 | 3/4 | .750 | .736 | 7/16 | .448 | .427 |
| 9/16 | .5625 | 1.010 | .982 | 7/8 | .875 | .861 | 31/64 | .496 | .473 |
| 5/8 | .6250 | 1.083 | 1.051 | 15/16 | .938 | .922 | 35/64 | .559 | .535 |
| 3/4 | .7500 | 1.299 | 1.240 | 1-1/8 | 1.125 | 1.088 | 41/64 | .665 | .617 |
| 7/8 | .8750 | 1.516 | 1.447 | 1-5/16 | 1.312 | 1.269 | 3/4 | .776 | .724 |
| 1 | 1.0000 | 1.732 | 1.653 | 1-1/2 | 1.500 | 1.450 | 55/64 | .887 | .831 |
| 1-1/8 | 1.1250 | 1.949 | 1.859 | 1-11/16 | 1.688 | 1.631 | 31/32 | .999 | .939 |
| 1-3/8 | 1.3750 | 2.382 | 2.273 | 2-1/16 | 2.062 | 1.994 | 1-11/64 | 1.206 | 1.138 |
| 1-1/2 | 1.500 | 2.598 | 2.480 | 2-1/4 | 2.250 | 2.175 | 1-9/32 | 1.ASTM A194 GR. 8 | 1.245 |
| 1-5/8 | 1.6250 | 2.815 | 2.686 | 2-7/16 | 2.438 | 2.356 | 1-25/64 | 1.429 | 1.353 |
| 1-3/4 | 1.7500 | 3.031 | 2.893 | 2-5/8 | 2.625 | 2.538 | 1-1/2 | 1.540 | 1.460 |
| 2 | 2.0000 | 3.464 | 3.306 | 3 | 3.000 | 2.900 | 1-23/32 | 1.763 | 1.675 |
| 2-1/4 | 2.2500 | 3.897 | 3.719 | 3-3/8 | 3.375 | 3.263 | 1-15/16 | 1.986 | 1.890 |
| 2-1/2 | 2.5000 | 4.330 | 4.133 | 3-3/4 | 3.750 | 3.625 | 2-5/32 | 2.209 | 2.105 |
| 2-3/4 | 2.7500 | 4.763 | 4.546 | 4-1/8 | 4.125 | 3.988 | 2-3/8 | 2.431 | 2.319 |
SDSS Socket Head Cap Screw Dimensions
| Nominal | Thread. | Head Dia | Body diameter and Head height | Hex Socket Size | Soc. length | ||
| Size | Pitch | Max | Min | Max | Min | ||
| A | D /H | J | K | ||||
| M3 | 0.5 | 5.50 | 5.20 | 3.00 | 2.86 | 2.50 | 1.3 |
| M4 | 0.70 | 7.00 | 6.64 | 4.00 | 3.82 | 3.00 | 2.00 |
| M5 | 0.8 | 8.50 | 8.14 | 5.00 | 4.82 | 4.00 | 2.70 |
| M6 | 1.0 | 10.00 | 9.64 | 6.00 | 5.82 | 5.00 | 3.30 |
| M8 | 1.25 | 13.00 | 12.57 | 8.00 | 7.78 | 6.00 | 4.3 |
| M10 | 1.5 | 16.00 | 15.57 | 10.00 | 9.78 | 8.00 | 5.50 |
| M12 | 1.75 | 18.00 | 17.57 | 12.00 | 11.73 | 10.00 | 6.60 |
| M16 | 2.0 | 24.00 | 23.48 | 16.00 | 15.73 | 14.00 | 8.80 |
| M20 | 2.5 | 30.00 | 29.48 | 20.00 | 19.67 | 17.00 | 10.70 |
| M24 | 3.0 | 36.00 | 35.38 | 24.00 | 23.67 | 19.00 | 12.90 |
ASTM A479 Super Duplex Nuts Size Chart
| Diameter* (mm) |
Nut Size (mm) |
Height (mm) |
||
|---|---|---|---|---|
| Hex Nut | Jam Nut | Nylock Nut | ||
| 4 | 2 | 1.6 | 1.2 | |
| 5 | 2.5 | 2 | 1.6 | |
| 5.5 | 3 | 2.4 | 1.8 | 4 |
| 7 | 4 | 3.2 | 2.2 | 5 |
| 8 | 5 | 4 | 2.7 | 5 |
| 10 | 6 | 5 | 3.2 | 6 |
| 11 | 7 | 5.5 | 3.5 | |
| 13 | 8 | 6.5 | 4 | 8 |
| 17 | 10 | 8 | 5 | 10 |
| 19 | 12 | 10 | 6 | 12 |
| 22 | 14 | 11 | 7 | 14 |
| 24 | 16 | 13 | 8 | 16 |
| 27 | 18 | 15 | 9 | 18.5 |
| 30 | 20 | 16 | 10 | 20 |
Weight Chart of SDSS Fasteners
| LENGTHS | #2 | #3 | #4 | #5 | #6 | #8 | #12 | #10 | 5/16" | 1/4" | 3/8" |
| 1/8 | 0.40 | 0.55 | 0.70 | 1.1 | 1.4 | - | - | - | - | - | - |
| 3/16 | 0.50 | 0.70 | 0.90 | 1.2 | 1.5 | 2.5 | - | 3.9 | - | - | - |
| 1/4 | 0.60 | 0.80 | 1.00 | 1.4 | 1.7 | 2.8 | 5.6 | 4.3 | - | 8.5 | - |
| 5/16 | 0.60 | 0.90 | 1.20 | 1.5 | 1.9 | 3.1 | 6.1 | 4.6 | 16.7 | 9.1 | - |
| 3/8 | 0.70 | 0.90 | 1.30 | 1.7 | 2.1 | 3.4 | 6.5 | 5.0 | 17.7 | 9.8 | 29.2 |
| 7/16 | 0.80 | 1.00 | 1.50 | 1.9 | 2.2 | 3.6 | 6.9 | 5.4 | 18.8 | 10.4 | 30.7 |
| 1/2 | 0.80 | 1.10 | 1.60 | 2.0 | 2.4 | 3.9 | 7.4 | 5.8 | 19.8 | 11.1 | 32.2 |
| 9/16 | 0.90 | 1.20 | 1.70 | 2.2 | 2.6 | 4.2 | 7.8 | 6.2 | 20.9 | 11.7 | 33.6 |
| 5/8 | 1.00 | 1.30 | 1.80 | 2.3 | 2.8 | 4.5 | 8.3 | 6.6 | 21.9 | 12.4 | 35.1 |
| 3/4 | 1.10 | 1.50 | 2.10 | 2.6 | 3.2 | 5.0 | 9.2 | 7.3 | 24.0 | 13.6 | 38.0 |
| 7/8 | 1.30 | 1.70 | 2.30 | 3.0 | 3.5 | 5.6 | 10.1 | 8.1 | 26.1 | 14.9 | 41.0 |
| 1" | 1.40 | 1.90 | 2.50 | 3.4 | 3.9 | 6.2 | 11.0 | 8.9 | 28.8 | 16.1 | 44.0 |
| 1-1/8" | 1.50 | 2.00 | 2.80 | 3.8 | 4.3 | 6.7 | 11.9 | 9.6 | 30.2 | 17.4 | 47.0 |
| 1-1/4" | 1.60 | 2.20 | 3.00 | 4.1 | 4.6 | 7.3 | 12.8 | 10.4 | 32.3 | 18.7 | 49.8 |
| 1-1/2" | 1.80 | 2.50 | 3.50 | 4.7 | 5.3 | 8.3 | 14.7 | 11.9 | 36.5 | 21.2 | 55.8 |
| 1-3/4" | 2.10 | 2.90 | 4.00 | 5.3 | 6.1 | 9.4 | 16.5 | 13.5 | 40.7 | 23.7 | 61.7 |
| 2" | 2.40 | 3.30 | 4.50 | 6.0 | 6.8 | 10.6 | 18.3 | 15.0 | 44.8 | 26.2 | 67.6 |
| 2-1/4" | 2.60 | 3.60 | 5.00 | 6.7 | 7.6 | 11.8 | 20.1 | 16.6 | 19.0 | 28.8 | 73.5 |
| 2-1/2" | 2.80 | 3.90 | 5.50 | 7.3 | 8.3 | 12.9 | 22.0 | 18.1 | 53.2 | 31.3 | 79.5 |
| 2-3/4" | 3.10 | 4.30 | 6.00 | 7.9 | 9.1 | 13.9 | 23.8 | 19.7 | 57.3 | 33.9 | 85.3 |
| 3" | 3.40 | 4.70 | 6.50 | 8.6 | 9.8 | 15.0 | 25.6 | 21.2 | 61.5 | 36.4 | 91.3 |
Advantages of 25cr SS Hex Head Screws
SDSS Bolts Dimension Chart
| NOMINAL SIZE (D) | ACROSS THE FLATS | HEAD THICKNESS | BODY DIAMETER | ACROSS CORNERS | ||||
|---|---|---|---|---|---|---|---|---|
| F (MAX) | F (MIN) | H (MAX) | H (MIN) | D (MAX) | D (MIN) | C (MAX) | C (MIN) | |
| m10 | 17.00 | 15.73 | 6.63 | 6.17 | 10.00 | 9.78 | 18.48 | 17.77 |
| m12 | 19.00 | 17.73 | 7.76 | 4.24 | 12.00 | 11.73 | 20.78 | 20.03 |
| m14 | 22.00 | 20.67 | 9.09 | 8.51 | 14.00 | 13.73 | 24.25 | 23.35 |
| m16 | 24.00 | 23.67 | 10.32 | 9.68 | 16.00 | 15.73 | 27.71 | 26.75 |
| m20 | 30.00 | 29.16 | 12.88 | 12.12 | 20.00 | 19.67 | 34.64 | 32.95 |
| m24 | 36.00 | 35.00 | 15.44 | 14.56 | 24.00 | 23.67 | 41.57 | 39.55 |
| m30 | 46.00 | 45.00 | 19.48 | 17.92 | 30.00 | 29.67 | 53.12 | 50.85 |
| m36 | 55.00 | 53.80 | 23.38 | 21.63 | 36.00 | 35.61 | 63.51 | 60.79 |
| m42 | 65.00 | 62.90 | 26.97 | 25.03 | 42.00 | 41.38 | 75.06 | 71.71 |
| m48 | 75.00 | 72.60 | 31.07 | 28.93 | 48.00 | 47.38 | 86.60 | 82.76 |
| m56 | 85.00 | 82.20 | 36.2 | 33.80 | 56.00 | 55.26 | 98.15 | 93.71 |
| m64 | 95.00 | 91.80 | 41.32 | 38.68 | 64.00 | 63.26 | 109.70 | 104.65 |
| m72 | 105.00 | 101.40 | 46.45 | 43.55 | 72.00 | 71.26 | 121.24 | 115.60 |
| m80 | 115.00 | 111.00 | 51.58 | 48.42 | 80.00 | 79.26 | 132.72 | 126.54 |
| m90 | 130.00 | 125.50 | 57.74 | 54.26 | 90.00 | 89.13 | 150.11 | 143.07 |
| m100 | 145.00 | 140.00 | 63.9 | 60.10 | 90.00 | 99.13 | 167.43 | 159.60 |
Size Chart of Super Duplex Threaded Rod
| Diameter in Inch | Head Size in Inch |
| 1/4 | 7/16 |
| 3/8 | 9/16 |
| 5/16 | 1/2 |
| 7/16 | 5/8 |
| 3/4 | 1 1/8 |
| 1/2 | 3/4 |
| 5/8 | 15/16 |
| 9/16 | 13/16 |
| 7/8 | 1 5/16 |
| 1 | 1 1/2 |
Standards of Super Duplex Fasteners
| Hexagon Bolt / Set Screws | Hexagon Nuts | Stud Bolt | Socket Cap screws |
|---|---|---|---|
| DIN 931 | DIN 934 | BS4882 | DIN 912 |
| DIN 933 | BS 1768 | DIN 976 | 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 |
Applications of ASTM A276 Super Duplex Nuts
Surface Finish of SDSS Toggle Bolt
Metric Conversion of SDSS Nuts And Bolts
| Metric Size-PitchISO and IFI Rec. | Inch Equivalent | |
| UNC | UNF | |
| M2x 0.4 | 1- 64 | 1- 72 |
| M3x .5 | 4- 40 | 4- 48 |
| M3.5x .6 | 6- 32 | 6- 40 |
| M5x .8 | 10- 24 | 10- 32 |
| M2.5x 0.45 | 3- 48 | 3- 56 |
| M4x .7 | 8- 32 | 8- 36 |
| M6x 1 | 1/4- 20 | 1/4- 28 |
| M8x 1.25 | 5/16-18 | 5/16- 24 |
| M14x 2 | 1/2- 13 | 1/2- 20 |
| M10x 1.5 | 3/8-16 | 3/8- 24 |
| M12x 1.75 | 7/16-14 | 7/16- 20 |
| M30x 3.5 | 1-1/4- 7 | 1-1/8- 12 |
| M24x 3 | 1- 8 | 1-12 |
| M18x 2 | 5/8- 11 | 5/8- 18 |
| M20x 2.5 | 3/4- 10 | 3/4- 16 |
| M36x 4 | 1-1/2- 6 | 1-1/4- 12 |
Take the reference of our quality and timely delivery from our clients in following projects
Citgo - USA
Ptt Public Company Limited - Thailand
Petrovietnam - Vietnam