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12 Point Flange Screw (CounterBore), ASTM A574 Alloy Steel
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
> 200 matches, 12 Point Flange Screw (CounterBore), ASTM A574 Alloy Steel. Showing 200, (click on any line for more information)
| Search Results Sponsored by Metric Threaded Products, Inc., your source for Counterbore Screws. For more results, visit www.metric-threaded.com | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| MetricThrd | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Black | 5/16-18 x 7/8 | 5/16-18x7/8 blk/zn 12 point flange screws | stock |
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| MetricThrd | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 9/16-18 x 2 1/4 | 9/16-18 x 2 1/4 alloy 170psi 12 point flange bolts hrc 38-43 1-1/4 thread length | stock |
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| MetricThrd | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | 9/16-18 x 5 1/2 | 9/16-18 x 5 1/2 alloy 170psi 12 point flange bolts yellow zinc 8u hrc 38-43 | 2,710 |
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| MetricThrd | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | 9/16-18 x 6 | 9/16-18 x 6 alloy 170psi 12 point flange bolts yellow zinc 8u hrc 38-43 | 2,710 |
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| Shadran I | null | 12 Point Flange Screw (CounterBore) | ASTM A574 | Chrome Plated | 1/4-20 x 3/4 | 1/4-20x3/4 12 pt. cap screw chrome | 10 |
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| Shadran I | null | 12 Point Flange Screw (CounterBore) | ASTM A574 | Chrome Plated | 1/4-20 x 7/8 | 1/4-20x7/8 12 pt c/s chrome | 10 |
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| Shadran I | null | 12 Point Flange Screw (CounterBore) | ASTM A574 | Chrome Plated | 1/4-20 x 1 | 1/4-20x1 12 pt c/s chrome | 10 |
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| OneMonroe | NC | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | M6-1.0-1.00 x 16 | m6-1.0 x 16 ind hex phil double sem yellow zinc | 2000 |
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| OneMonroe | NC | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | M6-1.0-1.00 x 20 | m6-1.0 x 20 ind hex phil double sem yellow zinc | 2200 |
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| OneMonroe | NC | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1-1/4 12 point plain finish flange screw | 85 |
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| OneMonroe | NC | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1-8 x 4 | 1-8 x 4 12 point plain finish flange screw | 5 |
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| OneMonroe | NC | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 1/2-13 x 1 1/2 | 1/2-13 x 1 1/2 12point capscrew alloy | 26 |
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| OneMonroe | NC | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/2 | 5/8-11 x 1 1/2 12 pt. counterbore screw | 25 |
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| OneMonroe | NC | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 3/8-16 x 1 | 3/8-16 x 1 12 point capscrew alloy | 1310 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/2 | nf ferry c/s | 64 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 1 1/2 | nc ferry c/s | 25 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 1/2 | nf ferry c/s | 92 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 | nc ferry c/s | 49 |
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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 | 1/2-13 x 1 | nc ferry c/s | 50 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 1 1/4 | nc ferry c/s | 34 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 | nc ferry c/s | 20 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 2 | nf ferry c/s | 6 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1 1/4-12 x 4 1/2 | 1 1/4-12x4-1/2 ferry c/s | 40 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-10 x 2 1/4 | 3/4-10 x 2 1/4 nc ferry head c/s plain | 15 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 2-1/4 nc ferry head c/s plain | 6 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4 x 4-1/2 ferry head cap screw 170m psi 12 point plain partially threaded | 23 |
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| TownCountry | AR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8 x 3/16 | adjustable counterbore #5 | 4 |
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| TownCountry | AR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2 x 13/64 | adjustable counterbore style #5 1/2 shank 4 1/2 oal | 1 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3/4 | nc ferry c/s 170m psi 12-pt fl/b finish | 31 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 170m psi 12-point flange screw plain | 400 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 5/16-24 x 1 1/4 | 5/16-24 x 1-1/4 12 point flange screw fine 170m psi plain | 40 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 3/8-16 x 2 1/2 | 3/8-16 x 2-1/2 12 point flange screw 170m psi plain | 75 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 3/8-16 x 2 3/4 | 3/8-16 x 2-3/4 12 point flange screw 170m psi plain | 40 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 3/8-16 x 3 | 3/8-16 x 3 12 point flange screw 170m psi plain | 900 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 3/8-16 x 3 1/4 | 3/8-16 x 3-1/4 12 point flange screw 170m psi plain | 11 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 3/8-16 x 4 1/2 | 3/8-16 x 4-1/2 12 point flange screw 170m psi plain | 50 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 7/16-14 x 1 3/4 | 7/16-14 x 1-3/4 12-point flange screw coarse 170m psi plain | 150 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 7/16-14 x 2 3/4 | 7/16-14 x 2-3/4 12-point flange screw coarse 170m psi plain | 1200 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 7/16-14 x 3 | 7/16-14 x 3 12-point flange screw coarse 170m psi plain | 1000 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 7/16-14 x 3 1/4 | 7/16-14 x 3-1/4 12-point flange screw coarse 170m psi plain | 300 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 1/4-20 x 1 1/4 | 1/4-20 x 1-1/4 12-point flange screw 170m psi plain | 58 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 7/16-14 x 3 1/2 | 7/16-14 x 3-1/2 12-point flange screw coarse 170m psi plain | 620 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 7/16-14 x 4 1/4 | 7/16-14 x 4-1/4 12-point flange screw coarse 170m psi plain | 1600 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 7/16-14 x 4 1/2 | 7/16-14 x 4-1/2 12-point flange screw coarse 170m psi plain | 120 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 7/16-14 x 4 3/4 | 7/16-14 x 4-3/4 12-point flange screw coarse 170m psi plain | 700 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 1/4-20 x 1 3/4 | 1/4-20 x 1-3/4 12-point flange screw 170m psi plain | 50 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 1/4-20 x 2 1/2 | 1/4-20 x 2-1/2 12-point flange screw 170m psi plain | 200 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 5/16-18 x 5/8 | 5/16-18 x 5/8 12-point flange screw 170m psi coarse plain | 2493 |
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| Active | TN | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 5/16-18 x 7/8 | 5/16-18 x 7/8 12-point flange screw coarse 170m psi plain | 171 |
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| S+S Faste | OH | 12 Point Flange Screw (CounterBore) | ASTM A574 | Zinc/Clear | 5/16-24 x 1 | 5/16-24 x 1 12 pt ferry cap sc zinc w/ | 10000 |
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| QFC | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2 x 1 1/4 | 1/2x1 1/4nc ferry head cap screw b18.2.1 | 100 |
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| QFC | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 1 1/2 | 1/2-13x1 1/2 ferry head c/s alloy plain b18.2.1 | 800 |
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| QFC | TX | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 3/4-10 x 2 | 3/4-10x2 ferry head c/s 170ksi mech zinc mtrs must show hrc 37-45 and chemistry b18.2.1 | 74 |
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| YANKEE | NH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 3/4 | 5/16-18 x 3/4-12-point flange screw high strength alloy steel | 41 |
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| YANKEE | NH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/2 | 3/8-16 x 2-1/2 12 point flange bolt-high tensile strength-alloy steel | 20 |
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| YANKEE | NH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 1.25 | -12-pt flange high strength screw | 72 |
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| METRO IND | OH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 3 | counterbore sae | 15 |
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| METRO IND | OH | 12 Point Flange Screw (CounterBore) | Steel | Plain | M8 x 30 | counter bor | 1700 |
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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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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 3 | ferry c/s | 1 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | M8-1.25 x 20 | m8-1.25 x 20 12 point cap screw alloy | 246 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/4 | 1/4-20 x 1 1/4 12 point cap screw alloy b18.2.1 | 100 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 3/4 | 1/4-20 x 3/4 12 point cap screw alloy b18.2.1 | 75 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/4 | 1/4-28 x 1 1/4 12 point cap screw alloy b18.2.1 | 125 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/2 | 1/4-28 x 1 1/2 12 point cap screw alloy b18.2.1 | 65 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 3/4 | 1/4-28 x 3/4 12 point cap screw alloy b18.2.1 | 20 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 1 | 5/16-18 x 1 12 point cap screw alloy b18.2.1 | 69 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 12 point cap screw alloy b18.2.1 | 50 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 1 3/4 | 5/16-18 x 1 3/4 12 point cap screw alloy b18.2.1 | 75 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 3/4 | 5/16-18 x 3/4 12 point cap screw alloy b18.2.1 | 62 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 7/8 | 5/16-18 x 7/8 12 point cap screw alloy b18.2.1 | 125 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 | 5/16-24 x 1 12 point cap screw alloy b18.2.1 | 295 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 1/4 | 5/16-24 x 1 1/4 12 point cap screw alloy b18.2.1 | 120 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 3/4 | 5/16-24 x 3/4 12 point cap screw alloy b18.2.1 | 150 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 7/8 | 5/16-24 x 7/8 12 point cap screw alloy b18.2.1 | 25 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 | 3/8-16 x 1 12 point cap screw alloy b18.2.1 | 44 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/2 | 3/8-16 x 1 1/2 12 point cap screw alloy b18.2.1 | 111 |
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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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| Express | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 5/16-24 x 1 3/4 | 5/16-24x1-3/4 flange bolt 12pt black alloy | 400 |
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| OneMonroe | TX | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | M3.5 | screw m3.5x12 pt pan/phil steel zinc | 2974 |
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| OneMonroe | TX | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Black | M3.5 | screw m3.5x12 pt pan/phil black zinc | 1884 |
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| OneMonroe | TX | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | screw hex double sems m4x8 split & flat combo 10mm od on flat steel yellow zinc | 1150 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4 | 1/4 counterbore # csc55655 b18.2.1 | 1 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 1 | 5/16-18 x 1 12 pt flange bolts b18.2.1 | 9 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 12 pt flange bolts b18.2.1 | 347 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 | 5/16-24 x 1 12 pt flange bolts b18.2.1 | 54 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 3/4 | 3/8-16 x 1 3/4 12 pt flange bolts b18.2.1 | 2 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 4 3/4 | 3/8-16 x 4 3/4 12 pt flange bolts b18.2.1 | 104 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 1 1/4 | 1/2-13 x 1 1/4 12 pt flange bolts b18.2.1 | 25 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 2 1/2 | 1/2-13 x 2 1/2 12 pt flange bolts b18.2.1 | 25 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 2 1/2 | 1/2-20 x 2 1/2 12 pt flange bolts b18.2.1 | 65 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 3/4 | 5/8-11 x 1 3/4 12 pt flange bolts b18.2.1 | 44 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 2 | 5/8-18 x 2 12 pt flange bolts b18.2.1 | 17 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 2 1/2 | 5/8-18 x 2 1/2 12 pt flange bolts b18.2.1 | 28 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/8-14 x 4 | 7/8-14 x 4 12 pt flange bolts b18.2.1 | 1 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 5 | ferry c/s | 5 |
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