AISI 8740 Fasteners
Biggest SAE 8740 Stud Bolts manufacturer in India
Table of Content
AISI 8740 fasteners specification
Alloy 8740 Bolt Sizes
M2 to M24
Steel 8740 Screw Size
3/6″ to 2″
AISI 8740 Nuts Size
M3 – M56 | 3/6″ to 2″
UNS G87400 Machine Screws Size
M1.6 – M12
DIN 1.6546 Washers Size
M3 – M56 | 3/6″ to 2″
ISO Standard
ISO 683-18
Origin
Korean / Russian / Indian / European
SAE 8740 machine screws Condition
Threading / Cold Drawn
Alloy 8740 Studs Type
Double-End / Fully or Fine threaded / Tap-End
8740 Steel Screws Thread Pitch
Coarse Threads / Fine Threads
DIN 1.6546 hex cap screws Finish
Passivation / Phosphating / HDG
Manufacturing Technique
Cold forging / Hot forging / CNC Machined
SAE 8740 fasteners Length
3 mm to 200 mm
DIN 1.6546 threaded rod Melting Point
1425 – 1515 °C
Steel 8740 flat washer Thermal Conductivity
43 W/m·K at 100 °C
Custom Sizes
We are AISI 8740 Fastener Manufacturer in custom sizes and threads.
8740 steel anchor bolts Standards
DIN 976, 931, 934, 7991, 933, 125 / ASME B18.2.1, B18.3
SAE 8740 self drilling screws Threads
BSF / BSW / METRIC / UNF / UNC
Certificate
- Raw Materials Certificate
- EN 10204/3.1B
- UT and PMI Test
- 100% Radiography Test
Packaging
- Blister Packs
- Wooden Cases
- Carton Box
- Wooden Pallet
Value Added Services
- Head Painting
- Head Shank Drilling
- Color Coding
- Laser Etching
AISI 8740 hex head bolts Head Types
- Hex washer head
- Slotted Drive
- Slotted hex washer
- Phillips Drive
- Button head
- Socket cap head
- Flat
8740 Steel screws Thread Class
- 2G
- Class 3A (Tight fit)
- 5 ONF
- Class 1A (Loose fit)
- 3G
- 4G
- Class 2A (Medium fit)
Alloy 8740 Bolt Drive Style
- Hex
- Pan
- Round
- Oval
- Torx
- Truss
- Cross
We supply Steel 8740 Threaded Rod at best price, Refer 8740 Chrome Moly screws Sizes
| Product | Price in USD (10 Pcs) |
Price in Dirham (10 Pcs) |
Price in Euro (10 Pcs) |
|---|---|---|---|
| M5 x 40mm AISI 8740 Heavy Hex Bolt, UNF | US $2.80 | 10.28 AED | € 2.40 |
| M12 x 50mm SAE 8740 Socket Head Cap Screws, UNC | US $9.69 | 35.59 AED | € 8.30 |
Is 8740 alloy steel bolts corrosion-resistant?
Due to its low chromium content AISI 8740 fasteners are not inherently corrosion resistant. To improve corrosion resistance of these fasteners various coatings are applied on them such as Cadmium plated, Phosphate coated, PTFE, Xylan, or epoxy.
View 8740 grade steel Machine Screw and AISI 8740 Anchor bolts chemical composition and equivalent
Steel 8740 Screws chemical composition
Manganese
0.750-1.00
Nickel
0.400-0.700
Chromium
0.400-0.600
Carbon
0.380-0.430
Molybdenum
0.200-0.300
Silicon
0.150-0.300
Sulfur
0.0400
Phosphorous
0.0350
DIN 1.6546 Threaded Rod mechanical properties
Tensile Strength
695 MPa
Yield strength
415 MPa
Hardness
223 Max HB
Elongation
22.20 % Min
8740 steel Studs equivalent grade
| STANDARD | UNS |
|---|---|
| AISI 8740 | G87400 |
Alloy 8740 Heavy Hex Nuts physical properties
| Density | Elastic modulus | Bulk modulus | Poisson’s ratio | Thermal conductivity |
|---|---|---|---|---|
| 7.85 g/cm3 | 190-210 GPa | 140 GPa | 0.27-0.30 | 46.6 W/mK |
We stock and export Alloy steel 8740 washer and UNS G87400 Hex bolts as per NACE 3.1 Certification
Is AISI 8740 steel Stud Bolts heat treatable?
Yes, AISI 8740 stud bolts are heat treatable.
8740 steel hex nuts
Alloy 8740 square bolts
8740 steel anchor bolts
UNS G87400 socket head cap screw
DIN 1.6546 hex cap screws
SAE 8740 self drilling screws
DIN 1.6546 threaded rod
Steel 8740 eye bolts
SAE 8740 plain washer
UNS G87400 stud bolt
AISI 8740 square nut
SAE 8740 machine screws
AISI 8740 hex bolts
Alloy 8740 heavy hex bolt
Steel 8740 flat washer
Can AISI 8740 fasteners be machined easily?
AISI 8740 fasteners can be machined but not easily especially in hardened or heat treated condition. It has machinability rating of 55%. It is better to machined these fasteners in annealed or normalized condition.
Refer torque chart and dimensions of 8740 Chrome Moly countersunk screws, AISI 8740 steel nuts are widely used in critical applications
| Bolt Size | Tension (lbs) | TPI | Tightening Torque Range (ft lbs) (Min - Max) | ||
|---|---|---|---|---|---|
| Min | Max | Lubricated | Plain | ||
| 1⁄2 | 15,000 | 18,000 | 13 | 63 - 75 | 125 - 150 |
| 5⁄8 | 24,000 | 29,000 | 11 | 125 - 151 | 250 - 302 |
| 3⁄4 | 35,000 | 42,000 | 10 | 219 - 263 | 438 - 525 |
| 7⁄8 | 49,000 | 59,000 | 9 | 357 - 430 | 715 - 860 |
| 1 | 64,000 | 77,000 | 8 | 533 - 642 | 1,067 - 1,283 |
| 1 1⁄8 | 80,000 | 96,000 | 7 | 750 - 900 | 1,500 - 1,800 |
| 1 1⁄4 | 1,02,000 | 1,22,000 | 7 | 1,063 - 1,271 | 2,125 - 2,542 |
| 1 3⁄8 | 1,21,000 | 1,45,000 | 6 | 1,386 - 1,661 | 2,773 - 3,323 |
| 1 1⁄2 | 1,48,000 | 1,78,000 | 6 | 1,850 - 2,225 | 3,700 - 4,450 |
1.6546 Steel set screws Dimensions
| Size | Thread Diameter | |
|---|---|---|
| Nearest Fractional | Decimal | |
| #0 | 1/16" | 0.060" |
| #1 | 5/64" | 0.073" |
| #2 | 3/32" | 0.086" |
| #3 | 7/64" | 0.099" |
| #4 | 7/64" | 0.112" |
| #5 | 1/8" | 0.125" |
| #6 | 9/64" | 0.138" |
| #8 | 5/32" | 0.164" |
| #10 | 3/16" | 0.190" |
| #12 | 7/32" | 0.216" |
Dimensions of SAE 8740 Hex Bolts
| d1d1 | b over 200 | b to 200 | b to 125 | k | s | e |
|---|---|---|---|---|---|---|
| M4 | - | - | 14 | 2.8 | 7 | 7.66 |
| M5 | - | - | 16 | 3.5 | 8 | 8.79 |
| M6 | - | 24 | 18 | 4 | 10 | 11.05 |
| M8 | - | 28 | 22 | 5.3 | 13 | 14.38 |
| M10 | 45 | 32 | 26 | 6.4 | 17 | 18.9 |
| M12 | 49 | 36 | 30 | 7.5 | 19 | 21.1 |
| M14 | 53 | 40 | 34 | 8.8 | 22 | 24.49 |
| M16 | 57 | 44 | 38 | 10 | 24 | 26.75 |
| M18 | 61 | 48 | 42 | 11.5 | 27 | 30.14 |
| M20 | 65 | 52 | 46 | 12.5 | 30 | 33.53 |
| M22 | 69 | 56 | 50 | 14 | 32 | 35.72 |
| M24 | 73 | 60 | 54 | 15 | 36 | 39.98 |
| M27 | 79 | 66 | 60 | 17 | 41 | 45.2 |
| M30 | 85 | 72 | 66 | 18.7 | 46 | 50.85 |
| M33 | 91 | 78 | 72 | 21 | 50 | 55.37 |
| M36 | 97 | 84 | 78 | 22.5 | 55 | 60.79 |
| M42 | 109 | 96 | 90 | 26 | 65 | 71.3 |
| M45 | 115 | 102 | 96 | 28 | 70 | 76.95 |
| M48 | 121 | 108 | 102 | 30 | 75 | 82.6 |
Alloy 8740 Flat Washer Features
Material Testing of 8740 steel Heavy Hex Bolts
Where are AISI 8740 fasteners used?
Industrial Products
Types
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