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 and ISO Certified Manufacturing and Supplying company offering a wide variety of Alloy A286 products for fastening applications across the industries. We stock the excellent quality A286 Pan Head Screws in various specifications and grades of AMS, ASME, ASTM, GE, BS, Aecma, European and Werkstoff Numbers. Alloy A286 is an iron-nickel-chromium material with superior mechanical and chemical properties. At high temperatures, this material lives up to deliver high levels of strength and performance. We cater to specific requests from different industries in the required standards. Some of the popular applications of A286 Alloy include Valves & Actuators, Aircraft Components, Turbines and Engine Parts, Exhaust, Manifold, and more.
Nickel | Iron | Chromium | Titanium | Molybdenum | Vanadium | Carbon | Manganese | Silicon | Aluminum | Sulfur | Boron |
---|---|---|---|---|---|---|---|---|---|---|---|
24.0-27.0 | Balance* | 13.5-16.0 | 1.90-2.35 | 1.0-1.5 | 0.10-0.50 | 0.08 max. | 2 max. | 1 max. | 0.35 max. | 0.03 max. | 0.001-0.01 |
Strength Characteristic | Delivery Condition | Temperature °C | ||||
---|---|---|---|---|---|---|
100 | 200 | 300 | 400 | 500 | ||
R p0.2 | hardened | 580 | 540 | 520 | 490 | 380 |
Nominal Sizea or Basic Screw Dia. | Head Dia., A | Head Height, H | Head Radius,R | Slot Width, J | Slot Depth, T | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Max. | Min. | Max. | Min. | Max. | Max. | Min. | Max. | Min. | |||
0000 | 0.0210 | .042 | .036 | .016 | .010 | .007 | .008 | .004 | .008 | .004 | |
000 | 0.0340 | .066 | .060 | .023 | .017 | .010 | .012 | .008 | .012 | .008 | |
00 | 0.0470 | .090 | .082 | .032 | .025 | .015 | .017 | .010 | .016 | .010 | |
0 | 0.0600 | .116 | .104 | .039 | .031 | .020 | .023 | .016 | .022 | .014 | |
1 | 0.0730 | .142 | .130 | .046 | .038 | .025 | .026 | .019 | .027 | .018 | |
2 | 0.0860 | .167 | .155 | .053 | .045 | .035 | .031 | .023 | .031 | .022 | |
3 | 0.0990 | .193 | .180 | .060 | .051 | .037 | .035 | .027 | .036 | .026 | |
4 | 0.1120 | .219 | .205 | .068 | .058 | .042 | .039 | .031 | .040 | .030 | |
5 | 0.1250 | .245 | .231 | .075 | .065 | .044 | .043 | .035 | .045 | .034 | |
6 | 0.1380 | .270 | .256 | .082 | .072 | .046 | .048 | .039 | .050 | .037 | |
8 | 0.1640 | .322 | .306 | .096 | .085 | .052 | .054 | .045 | .058 | .045 | |
10 | 0.1900 | .373 | .357 | .110 | .099 | .061 | .060 | .050 | .068 | .053 | |
12 | 0.2160 | .425 | .407 | .125 | .112 | .078 | .067 | .056 | .077 | .061 | |
1⁄4 | 0.2500 | .492 | .473 | .144 | .130 | .087 | .075 | .064 | .087 | .070 | |
5⁄16 | 0.3125 | .615 | .594 | .178 | .162 | .099 | .084 | .072 | .106 | .085 | |
3⁄8 | 0.3750 | .740 | .716 | .212 | .195 | .143 | .094 | .081 | .124 | .100 | |
7⁄16 | 0.4375 | .863 | .837 | .247 | .228 | .153 | .094 | .081 | .142 | .116 | |
1⁄2 | 0.5000 | .987 | .958 | .281 | .260 | .175 | .106 | .091 | .161 | .131 | |
9⁄16 | 0.5625 | 1.041 | 1.000 | .315 | .293 | .197 | .118 | .102 | .179 | .146 | |
5⁄8 | 0.6250 | 1.172 | 1.125 | .350 | .325 | .219 | .133 | .116 | .197 | .162 | |
3⁄4 | 0.7500 | 1.435 | 1.375 | .419 | .390 | .263 | .149 | .131 | .234 | .192 | |
|
Nominal Size da | Head Dia., D | Head Height, k | Head Radius, R | Radius under Head, r | Transition Diameter, da | ||
---|---|---|---|---|---|---|---|
Max. 2d | Min. | Max. 0.6d | Min. | Max. 0.4d | Min. | Max. | |
M2.5 | 5.00 | 4.70 | 1.50 | 1.36 | 1.00 | 0.10 | 3.10 |
M3 | 6.00 | 5.70 | 1.80 | 1.66 | 1.20 | 0.10 | 3.60 |
(M3.5) | 7.00 | 6.64 | 2.10 | 1.96 | 1.40 | 0.20 | 4.30 |
M4 | 8.00 | 7.64 | 2.40 | 2.26 | 1.60 | 0.20 | 4.70 |
(M4.5) | 9.00 | 8.64 | 2.70 | 2.56 | 1.80 | 0.20 | 5.20 |
M5 | 10.00 | 9.64 | 3.00 | 2.86 | 2.00 | 0.20 | 5.70 |
M6 | 12.00 | 11.57 | 3.60 | 3.42 | 2.50 | 0.25 | 6.80 |
M8 | 16.00 | 15.57 | 4.80 | 4.62 | 3.20 | 0.40 | 9.20 |
M10 | 20.00 | 19.48 | 6.00 | 5.82 | 4.00 | 0.40 | 11.20 |
|
Nominal Size da | Thread Length b | Thread Run-out a | Slot Width n | Slot Depth t | ||
---|---|---|---|---|---|---|
Min. | Max. 2pb | Max. | Min. | Max. 0.6k | Min. 0.4k | |
M2.5 | 18.00 | 0.90 | 0.80 | 0.66 | 0.90 | 0.60 |
M3 | 19.00 | 1.00 | 1.00 | 0.86 | 1.08 | 0.72 |
(M3.5) | 20.00 | 1.20 | 1.00 | 0.86 | 1.26 | 0.84 |
M4 | 22.00 | 1.40 | 1.20 | 1.06 | 1.44 | 0.96 |
(M4.5) | 24.00 | 1.50 | 1.20 | 1.06 | 1.62 | 1.08 |
M5 | 25.00 | 1.60 | 1.51 | 1.26 | 1.80 | 1.20 |
M6 | 28.00 | 2.00 | 1.91 | 1.66 | 2.16 | 1.44 |
M8 | 34.00 | 2.50 | 2.31 | 2.06 | 2.88 | 1.92 |
M10 | 40.00 | 3.00 | 2.81 | 2.56 | 3.60 | 2.40 |
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