Specifications
Surface Treatments
Certifications
- ISO 9001 - 2015 Certified
- PED 2014/68/EC
- NACE MR0175/ISO 15156-2
- NORSOK M-650
- DFAR
- MERKBLATT AD 2000 W2/W7/W10
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.
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 % |
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 % |
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 | - |
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 |
|
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 |
|
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 |
|