3/8-24 Counterbore Screws
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
73 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 | |
| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 2 1/4 | 12 pt flange screw alloy | 100 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | 3/8-24 x 2 1/4 plain 12 point flange bolts | 500 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 | 3/8-24 x 2 plain 12 point flange bolts | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/2 | 3/8-24 x 2 1/2 plain 12 point flange bolts | stock |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 1 | 3/8-24x1 gr8 12pt hd flange bolt plain | 50 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 1 1/4 | 3/8-24x1 1/4 gr8 12pt hd flange bolt plain | 50 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 1 1/2 | 3/8-24x1 1/2 gr8 12pt hd flange bolt plain | 42 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 2 | 3/8-24x2 gr8 12pt hd flange bolt plain | 50 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/4 | nf ferry c/s | 2 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/2 | nf ferry c/s | 86 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 | nf ferry c/s | 28 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 3/4 | nf ferry c/s | 83 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3 | 3/8-24 x 3 12 pt. ctrbr screw alloy | 180 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/2 | 3/8-24 x 2 1/2 12 pt. ctrbr screw alloy | 600 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 | 3/8-24 x 1 12 pt. ctrbr screw alloy | 96 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 | 3/8-24 x 2 12 pt. ctrbr screw alloy | 450 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 3/4 | 3/8-24 x 2 3/4 12 pt. ctrbr screw alloy | 29 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 3/4 | 3/8-24x3/4 12 point flange bolt-furnace black (taiwan) | 10000 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 1 1/2 | 3/8-24x1-1/2 12 point flange bolt-furnace black (taiwan) | 10000 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 1 1/4 | 3/8-24x1-1/4 12 point flange bolt-furnace black (taiwan) | 10000 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 4 | 3/8-24x4 12 point flange bolt-furnace black (taiwan) | 10000 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 2 3/4 | 3/8-24x2-3/4 12 point flange bolt-furnace black (taiwan) | 10000 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 3 1/2 | 3/8-24x3-1/2 12 point flange bolt-furnace black (taiwan) | 10000 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 7/8 | 3/8-24x7/8 12 point flange bolt-furnace black (taiwan) | 10000 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 3 | 3/8-24x3 12 point flange bolt-furnace black (taiwan) | 10000 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 5/8 | 3/8-24x5/8 12 point flange bolt-furnace black (taiwan) | 10000 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 2 1/4 | 3/8-24x2-1/4 12 point flange bolt-furnace black (taiwan) | 10000 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 5 | 3/8-24x5 12 point flange bolt-furnace black (taiwan) | 10000 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 1 3/4 | 3/8-24x1-3/4 12 point flange bolt-furnace black (taiwan) | 10000 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 1 | 3/8-24x1 12 point flange bolt-furnace black (taiwan) | 10000 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 2 | 3/8-24x2 12 point flange bolt-furnace black (taiwan) | 10000 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 3 1/4 | 3/8-24x3-1/4 12 point flange bolt-furnace black (taiwan) | 10000 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 2 1/2 | 3/8-24x2-1/2 12 point flange bolt-furnace black (taiwan) | 10000 |
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| NBS | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 4 1/2 | 3/8-24x4-1/2 12 point flange bolt-furnace black (taiwan) | 10000 |
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| API | IA | 12 Point Flange Screw (CounterBore) | Grade 8 | Phosphate | 3/8-24 x 1 | screw 12-point flange 3/8-24x1 f/t gr8 phos | 50 |
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| MESAFAST | CA | 12 Point Flange Screw (CounterBore) | Grade 9 | Plain | 3/8-24 x 3/4 | 3/8-24 x 3/4 hex flange gr9 12 point steel plain | 50.0 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | 3/8-24 x 2 1/4 plain 12 point flange bolts | 500 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 | 3/8-24 x 2 plain 12 point flange bolts | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/2 | 3/8-24 x 2 1/2 plain 12 point flange bolts | stock |
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| Optimas | IL | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/8-24 x 2 1/2 | 3/8-24x2-1/2 12-point counterbore screw astm a286 per drawing ppap | 4212 |
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| ACCURATE | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 1 3/4 | 12-pt flange scr gr8 counter-bor | 184 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Phosphate | 3/8-24 x 2 1/2 | 12 pt countr-bor phos 3/8-24 x 2 1/2 | 180 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 | 12 pt countr-bor plain 3/8-24 x 1 (FINE THREAD) | 67 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/2 | 12 pt countr-bor plain 3/8-24 x 2 1/2 (FINE THREAD) | 78 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/2 | 12 pt countr-bor plain 3/8-24 x 1 1/2 (FINE THREAD) | 52 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Phosphate | 3/8-24 x 2 | 12 pt countr-bor phos 3/8-24x2 | 189 |
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| Liberty | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 1 | 12-pt c/s | 50 |
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| Liberty | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 1 3/4 | 12-pt c/s | 100 |
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| BHAM | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | 3/8-24 x 2 1/4 (12 point) counterbore b18.2.1 | 974 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 3/8-24 x 1 | nf ferry c/s | 35 |
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| American | NY | 12 Point Flange Screw (CounterBore) | Steel | Cadmium | 3/8-24 x 1 | fl/b 12 pt cad pl | 400 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 | 3/8-24 x 1 12 point cap screw alloy b18.2.1 | 60 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 3/8-24 x 1 1/4 | 3/8-24 x 1 1/4 12 point cap screw alloy znc b18.2.1 | 2224 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/2 | 3/8-24 x 1 1/2 12 point cap screw alloy b18.2.1 | 72 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 3/4 | 3/8-24 x 1 3/4 12 point cap screw alloy b18.2.1 | 39 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 | 3/8-24 x 2 12 point cap screw alloy b18.2.1 | 100 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | 3/8-24 x 2 1/4 12 point cap screw alloy partial thread b18.2.1 | 183 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/2 | 3/8-24 x 2 1/2 12 point cap screw alloy b18.2.1 | 16 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 3/4 | 3/8-24 x 2 3/4 12 point cap screw alloy b18.2.1 | 37 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3 | 3/8-24 x 3 12 point cap screw alloy b18.2.1 | 20 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3 1/2 | 3/8-24 x 3 1/2 12 point cap screw alloy b18.2.1 | 40 |
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| Ababa | CA< /td> | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3/4 | 3/8-24 x 3/4 12 point cap screw alloy b18.2.1 | 90 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 7/8 | 3/8-24 x 7/8 12 point cap screw alloy b18.2.1 | 41 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | 3/8-24 x 2 1/4 12 point cap screw full thrd alloy b18.2.1 | 90 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 | 3/8-24 x 1 12 point cap screw alloy b18.2.1 | 40 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/4 | 3/8-24 x 1 1/4 12 point cap screw alloy b18.2.1 | 60 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/4 | 3/8-24 x 1 1/4 12 point cap screw alloy b18.2.1 | 20 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/2 | 3/8-24 x 1 1/2 12 point cap screw alloy b18.2.1 | 50 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 3/4 | 3/8-24 x 1 3/4 12 point cap screw alloy b18.2.1 | 30 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 | 3/8-24 x 2 12 point cap screw alloy b18.2.1 | 15 |
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| IPC | VA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3 1/2 | 3/8-24x3 1/2 12 pt. flange screw 170m t.s. must meet 170 000 psi tensile strength min. | 33 |
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| WDMB | IA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/4 | screw 12pt flange all zf 3/8-24x1 1/4 drw (W030) (W030) | 58 |
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| OSSCO | RI | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 1 | 3/8-24x1 ferry ctrbore cap screw gr8 b18.2.1 | 50 |
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| Wurth Ada | MN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3/4 | scr 12pt flange alloy (pl) 3/8-24x3/4 | 600 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 2 1/4 | 12 pt flange screw alloy | 100 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | 3/8-24 x 2 1/4 12 point flange bolt plain b18.2.1 | 142 |
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| Wurth | IN | 12 Point Flange Screw (CounterBore) | Grade 8 | Zinc/Clear | 3/8-24 x 3/4 | scr 12pt flange gr8 (zi) pat 3/8-24x3/4 12 pt flange screw grade 8 zinc clear w/ patch per print | 635 |
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