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Counterbore Screws, Superalloy (Inconel, Hastelloy, Alloy 20)
12-point Flange Screws, Counterbore Screws, Ferry Head Cap Screws or Counterbore Screws, feature a 12 point head and a flanged bearing surface. Usually fully threaded, the 12-point design provides for higher tightening torque, without edge rounding and they are covered under ASME Standard B18.2.1
31 results, (click on any line for more information)
| Search Results Sponsored by Metric Threaded Products, Inc., your source for 12 Point Flange Screws. For more results, visit www.metric-threaded.com | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Buy Counterbore Screws from one of our FCH Network Members | ||||||||
| CIF | IL | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Passivated | 5/8-18 x 1 3/4 | 12-pt fl/b , 17-4 ph ss, cond h900, per astm a967, per print | 6 |
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| CIF | IL | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Passivated | 3/8-24 x 5/8 | 12-pt fl/b , 17-4 ph ss, cond h900, per astm a967, per print | 5 |
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| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 5/16-24 x 2.00 | 5/16(24) x 2.00 flange 12-point screw nitronic 60 b18.2.1 b18.2.1 usa | inquire |
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| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 5/16-18 x 1.00 | 5/16(18) x 1.00 12point flange screw 17-4ph h1150 b18.2.1 b18.2.1 usa | inquire |
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| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/4-20 x 3/4 | 1/4(20) x .75 12point flange screw 17-4ph h1150 b18.2.1 b18.2.1 usa | inquire |
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| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/4-10 x 1 3/4 | 3/4 (10) x 1-3/4 flange screw 12 pt inconel 718 b18.2.1 b18.2.1 usa | inquire |
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| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/4-28 x 1 1/4 | 1/4(28) x 1.25 flange 12-point screw nitronic 60 b18.2.1 b18.2.1 usa | inquire |
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| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/4-28 x 1 1/4 | 1/4(28) x 1.25 flange 12-point screw nitronic 60 b18.2.1 usa | inquire |
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| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/4-10 x 1 3/4 | 3/4 (10) x 1-3/4 flange screw 12 pt inconel 718 b18.2.1 usa | inquire |
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| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 5/16-24 x 2.00 | 5/16(24) x 2.00 flange 12-point screw nitronic 60 b18.2.1 usa | inquire |
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| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/4-20 x 3/4 | 1/4(20) x .75 12point flange screw 17-4ph h1150 b18.2.1 usa | inquire |
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| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 5/16-18 x 1.00 | 5/16(18) x 1.00 12point flange screw 17-4ph h1150 b18.2.1 usa | inquire |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/8-16 x 2 | 12-pt fl/b 17-4 ph s/s | 50 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 7/8-9 x 3 3/4 | 12-pt fl/b 17-4 ph | 100 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/2-13 x 2 | 12-pt fl/b 17-4 ph s/s | 100 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 5/16-18 x 3/4 | 12-pt fl/b 17-4 ph | 399 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/4-16 x 4 1/2 | 3/4-16x4-1/2 12-pt fl/b 17-4 ph | 50 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/8-24 x 2 1/2 | 12-pt fl/b 17-4 ph | 150 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/8-24 x 2 | 12-pt fl/b 17-4 ph s/s | 99 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 7/8-14 x 3 1/4 | 12-pt fl/b 17-4 ph | 100 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 5/8-18 x 8 1/4 | 12-pt fl/b 17-4 ph | 14 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/2-13 x 2 1/2 | 12-pt fl/b 17-4 ph | 152 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/8-24 x 2 1/4 | 12-pt fl/b 17-4 ph | 50 |
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| Century | FL | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | ms9558-27 | 200 |
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| AIH | AZ | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | double hex bolt inconel | 3402 |
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| System 22 | PA | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/2-20 x 3 | inconel 718 | 11 |
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| System 22 | PA | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Silver | 5/8-18 x 1 1/2 | inconel 718 | 15 |
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| System 22 | PA | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/2 x 2 1/2 | inconel 718 | 50 |
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| System 22 | PA | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Silver | 1/2-20 x 2 1/2 | inconel 718 | 30 |
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| System 22 | PA | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/2-13 x 3 | inconel 718 | 30 |
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| System 22 | PA | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/2 x 3 | inconel 718 | 30 |
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