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5/16 Socket Cap Screws (ASME B18. 2.1)
Socket Head Cap Screws are typically used in machine parts, die fixturing, and clamping. Socket head cap screws have a flat faced, circular raised head with an indented hex socket. They can be fully or part threaded, are usually manufactured from high grade alloy steel. Dimensionally, metric socket head cap screws are covered by the relevant DIN, ISO or JIS standards, but US/Imperial socket head cap screws are covered by the ASME B18.2.1 and B18.3 specifications.
Socket Head Cap Screw (b18.2.1), showing 200, (click on any line for more information)
| Search Results Sponsored by Parker Fasteners, your source for Socket Head Cap Screws. For more results, visit www.parkerfasteners.com | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Parker | AZ | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-24 x 7/8 | 5/16-24 x 7/8 socket head cap screw dfar 302 s/s b18.2.1 b18.3 made in u.s.a. | 8,310 |
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| Parker | AZ | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 7/8 | 5/16-18 x 7/8 low head cap screw dfar 4037 aly stl 6 lobe b18.2.1 b18.3 made in u.s.a. | 6,139 |
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| Parker | AZ | Socket Head Cap Screw | Steel | Black Oxide | 5/16-18 x 1 1/2 | 5/16-18 x 1-1/2 socket head cap screw dfar 4037 aly stl black oxide b18.2.1 b18.3 made in u.s.a. | 6,210 |
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| Parker | AZ | Socket Head Cap Screw | Steel | Black Oxide | 5/16-18 x 1 | 5/16-18 x 1 socket head cap screw sems washer dfar 4037 aly stl black oxide b18.2.1 b18.3 made in u.s.a. | 5,775 |
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| Ababa | CA | Socket Head Cap Screw | Steel | Plain | 5/16 | shear-loc knurled black-fit 5/16 shcs b18.2.1 b18.3 | 3635 |
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| Ababa | CA | Socket Head Cap Screw | Steel | Plain | 5/16 | shear-loc t-knob black-fit 5/16 shcs b18.2.1 b18.3 | 711 |
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| Ababa | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 | 5/16-18 x 1 soc cap screw s/s b18.2.1 b18.3 | 3235 |
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| Ababa | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 | 5/16-18 x 1 soc cap screw w/patch s/s b18.2.1 b18.3 | 110 |
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| Ababa | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 | 5/16-18 x 1 soc cap screw alloy b18.2.1 b18.3 | 333 |
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| Ababa | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 soc cap screw s/s b18.2.1 b18.3 | 667 |
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| Ababa | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 soc cap screw alloy b18.2.1 b18.3 | 122 |
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| Ababa | CA | Socket Head Cap Screw | Steel | Zinc/Clear | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 soc cap screw alloy znc b18.2.1 b18.3 | 200 |
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| Ababa | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/2 soc cap screw s/s b18.2.1 b18.3 | 213 |
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| Ababa | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/2 soc cap screw alloy b18.2.1 b18.3 | 997 |
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| Ababa | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 3/4 | 5/16-18 x 1 3/4 soc cap screw s/s b18.2.1 b18.3 | 230 |
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| Ababa | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 3/4 | 5/16-18 x 1 3/4 soc cap screw alloy b18.2.1 b18.3 | 426 |
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| Ababa | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 | 5/16-18 x 2 soc cap screw s/s b18.2.1 b18.3 | 79 |
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| Ababa | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 2 | 5/16-18 x 2 soc cap screw alloy b18.2.1 b18.3 | 216 |
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| Ababa | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/4 | 5/16-18 x 2 1/4 soc cap screw s/s b18.2.1 b18.3 | 415 |
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| Ababa | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 2 1/4 | 5/16-18 x 2 1/4 soc cap screw alloy b18.2.1 b18.3 | 416 |
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| Ababa | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/2 | 5/16-18 x 2 1/2 soc cap screw s/s b18.2.1 b18.3 | 150 |
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| Ababa | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 2 1/2 | 5/16-18 x 2 1/2 soc cap screw alloy b18.2.1 b18.3 | 142 |
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| Ababa | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 2 3/4 | 5/16-18 x 2 3/4 soc cap screw alloy b18.2.1 b18.3 | 249 |
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| Ababa | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3 | 5/16-18 x 3 soc cap screw s/s b18.2.1 b18.3 | 70 |
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| SII | IN | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 3/8 | 5/16-18x1 3/8 (ft) socket head cap screws unc alloy thermal black oxide b18.2.1 b18.3 | 500 |
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| SII | IN | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 3/8 | 5/16-18x3/8 shcs plain) b18.2.1 b18.3 | 1050 |
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| SII | IN | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1/2 | 5/16-18x1/2 shcs plain) b18.2.1 b18.3 | 150 |
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| SII | IN | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 3/4 | 5/16-18x3/4 shcs plain) b18.2.1 b18.3 | 500 |
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| SII | IN | Socket Head Cap Screw | Steel | Black Oxide | 5/16-18 x 7/8 | 5/16-18 x 7/8 black oxide alloy steel socket cap screw) b18.2.1 b18.3 | 950 |
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| SII | IN | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 | 5/16-18x1 shcs) b18.2.1 b18.3 | 925 |
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| SII | IN | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 1/4 | 5/16-18x1-1/4 shcs) b18.2.1 b18.3 | 313 |
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| SII | IN | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 1/2 | 5/16-18x1-1/2 shcs) b18.2.1 b18.3 | 512 |
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| SII | IN | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 3/4 | 5/16-18x1-3/4 shcs plain) b18.2.1 b18.3 | 520 |
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| SII | IN | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 2 | 5/16-18x2 shcs plain) b18.2.1 b18.3 | 165 |
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| SII | IN | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 2 1/2 | 5/16-18x2-1/2 shcs plain) b18.2.1 b18.3 | 275 |
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| SII | IN | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 3 1/2 | 5/16-18x3-1/2 shcs plain) b18.2.1 b18.3 | 196 |
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| SII | IN | Socket Head Cap Screw | Steel | Black Oxide | 5/16-24 x 1 | 5/16-24 x 1 black oxide finish alloy steel socket cap screw b18.2.1 b18.3 | 76 |
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| QFC | TX | Socket Head Cap Screw | Steel | Plain | 5/16 x 3/4 | 5/16x3/4nc socket head cap scr b18.2.1 b18.3 | 30 |
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| QFC | TX | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 | 5/16-18x1 soc c/s alloy plain b18.2.1 b18.3 | 900 |
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| QFC | TX | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 1/4 | 5/16-18x1 1/4 soc c/s alloy plain b18.2.1 b18.3 | 133 |
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| QFC | TX | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 1/2 | 5/16-18x1 1/2 soc c/s alloy plain b18.2.1 b18.3 | 200 |
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| QFC | TX | Socket Head Cap Screw | Steel | Plain | 5/16 x 1 3/4 | 5/16x1 3/4nc socket hd cap scr b18.2.1 b18.3 | 2218 |
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| QFC | TX | Socket Head Cap Screw | Steel | Plain | 5/16 x 2 | 5/16x2nc socket head cap screw b18.2.1 b18.3 | 50 |
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| QFC | TX | Socket Head Cap Screw | Steel | Plain | 5/16 x 4 | 5/16x4nc skt cap screw b18.2.1 b18.3 | 18 |
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| QFC | TX | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 4 1/2 | 5/16-18x4 1/2 soc c/s alloy plain b18.2.1 b18.3 | 30 |
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| QFC | TX | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 5 | 5/16-18x5 soc c/s alloy plain b18.2.1 b18.3 | 150 |
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| QFC | TX | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3 | 5/16-18x3 socket head socket cap screw 18-8 ss full thread b18.2.1 b18.3 | 3 |
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| QFC | TX | Socket Head Cap Screw | Steel | Zinc/Black | 5/16-18 x 1/2 | 5/16-18x1/2 socket cap screw black zc b18.2.1 b18.3 | 10052 |
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| QFC | TX | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 | 5/16-18x2 socket head cap screw 18-8ss 1.25 min thread b18.2.1 b18.3 | 98 |
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| QFC | TX | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3 1/2 | 5/16-18x3-1/2 soc c/s 18-8 b18.2.1 b18.3 | 6 |
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| QFC | TX | Socket Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 1 1/2 | 5/16-18x1 1/2 soc c/s 316 b18.2.1 b18.3 | 48 |
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| QFC | TX | Socket Head Cap Screw | Steel | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18x3/4 soc c/s alloy zinc b18.2.1 b18.3 | 80 |
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| QFC | TX | Socket Head Cap Screw | Steel | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18x3/4 soc c/s alloy zinc b18.2.1 b18.3 | 50 |
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| QFC | TX | Socket Head Cap Screw | Steel | Zinc/Clear | 5/16-18 x 7/8 | 5/16-18x7/8 soc c/s alloy zinc b18.2.1 b18.3 | 100 |
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| QFC | TX | Socket Head Cap Screw | Steel | Zinc/Clear | 5/16-18 x 1 1/4 | 5/16-18x1 1/4 soc c/s alloy zinc b18.2.1 b18.3 | 320 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 5/8 | 5/16-18 x 5/8 socket cap screws b18.2.1 b18.3 | 1327 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 5/8 | 5/16-18 x 5/8 low head socket cap screw b18.2.1 b18.3 | 94 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 3/4 | 5/16-18 x 3/4 socket cap screws b18.2.1 b18.3 | 1813 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 3/4 | 5/16-18 x 3/4 low head socket cap screw b18.2.1 b18.3 | 89 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Zinc/Clear | 5/16-18 x 1 | 5/16-18 x 1 socket cap screw zinc b18.2.1 b18.3 | 52 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 socket cap screws b18.2.1 b18.3 | 404 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 3/4 | 5/16-18 x 1 3/4 socket cap screws b18.2.1 b18.3 | 148 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 3 | 5/16-18 x 3 socket cap screws b18.2.1 b18.3 | 1433 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 3 1/4 | 5/16-18 x 3 1/4 socket cap screws b18.2.1 b18.3 | 434 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Zinc/Clear | 5/16-18 x 3 1/4 | 5/16-18 x 3 1/4 socket cap screws zinc b18.2.1 b18.3 | 107 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 3 1/2 | 5/16-18 x 3 1/2 socket cap screws b18.2.1 b18.3 | 70 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 3 1/2 | 5/16-18 x 3 1/2 socket cap screws torx drive b18.2.1 b18.3 | 4 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 5/16-24 x 1 | 5/16-24 x 1 socket cap screws b18.2.1 b18.3 | 77 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 5/16-24 x 1 1/2 | 5/16-24 x 1 1/2 socket cap screws b18.2.1 b18.3 | 31 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 5/8 | 5/16-18 x 5/8 square hd socket set screws b18.2.1 b18.3 | 200 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 | 5/16-18 x 1 square hd socket set screws cup pt b18.2.1 b18.3 | 154 |
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| B & K FAST | PA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/2 square hd socket set screws b18.2.1 b18.3 | 75 |
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| B & K FAST | PA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 | 5/16-18 x 1 socket cap screws 18-8 ss b18.2.1 b18.3 | 108 |
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| B & K FAST | PA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/2 socket cap screws 18-8 ss b18.2.1 b18.3 | 82 |
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| B & K FAST | PA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 | 5/16-18 x 2 socket cap screws 18-8 ss b18.2.1 b18.3 | 93 |
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| JET FITTING | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1/2 | cap screw socket 5/16-18x1/2 alloy steel b18.2.1 b18.3 | 1050 |
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| JET FITTING | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1/2 | cap screw socket 5/1618x1/2 alloy steel patch lock # r b18.2.1 b18.3 | 97 |
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| JET FITTING | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1/2 | cap screw socket 5/1618x1/2 stainless steel b18.2.1 b18.3 | 150 |
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| JET FITTING | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 5/8 | cap screw socket 5/1618x5/8 alloy steel # r b18.2.1 b18.3 | 100 |
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| JET FITTING | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 5/8 | cap screw socket 5/1618x5/8 stainless steel b18.2.1 b18.3 | 600 |
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| JET FITTING | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 3/4 | cap screw socket 5/1618x3/4 alloy steel b18.2.1 b18.3 | 700 |
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| JET FITTING | CA | Socket Head Cap Screw | Steel | Nickel Plated | 5/16-18 x 3/4 | cap screw socket 5/1618x3/4 alloy steel nickel plated b18.2.1 b18.3 | 743 |
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| JET FITTING | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 5/16-18 x 3/4 | cap screw socket hex 5/16-18x3/4 stainless steel 18-8 black oxide & wax b18.2.1 b18.3 | 1260 |
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| JET FITTING | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 7/8 | cap screw socket 5/1618x7/8 alloy steel b18.2.1 b18.3 | 500 |
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| JET FITTING | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 | cap screw socket 5/1618x1 alloy steel b18.2.1 b18.3 | 360 |
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| JET FITTING | CA | Socket Head Cap Screw | Steel | Nickel Plated | 5/16-18 x 1 | cap screw socket 5/16-18x1 alloy steel nickel plated b18.2.1 b18.3 | 1000 |
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| JET FITTING | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 | cap screw socket 5/1618x1 stainless steel b18.2.1 b18.3 | 514 |
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| JET FITTING | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 1/4 | cap screw socket 5/1618x1-1/4 alloy steel b18.2.1 b18.3 | 50 |
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| JET FITTING | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 1/2 | cap screw socket 5/1618x1-1/2 alloy steel b18.2.1 b18.3 | 550 |
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| JET FITTING | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/2 | cap screw socket 5/1618x1-1/2 stainless steel b18.2.1 b18.3 | 40 |
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| JET FITTING | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1 3/4 | cap screw socket 5/1618x1-3/4 alloy steel b18.2.1 b18.3 | 175 |
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| JET FITTING | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 2 | cap screw socket 5/1618x2 alloy steel b18.2.1 b18.3 | 76 |
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| JET FITTING | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 2 1/2 | cap screw socket 5/1618x2-1/2 alloy steel b18.2.1 b18.3 | 50 |
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| JET FITTING | CA | Socket Head Cap Screw | Steel | Plain | 5/16-18 x 1/2 | cap screw socket hex 5/16-18x1/2 (ft) alloy steel thermal black oxide b18.2.1 b18.3 | 1050 |
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| JET FITTING | CA | Socket Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/8 | cap screw socket 5/1618x3/8 stainless steel b18.2.1 b18.3 | 180 |
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