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Hex Head Cap Screw (ANSI ASME 18.2.3.1m)
Hex Cap Screws are hex headed fasteners with external machine screw threads and differ from hex machine bolts by having a washer surface on the underside or bearing side of the head and a chamfered thread end. Hex cap screws have tighter dimensional tolerances than bolts. Metric hex cap screws are specified by various DIN, ISO and JIS standards, and US/Imperial hex cap screws are dimensionally specified by the ASME B18.2.1 specification.
0 Hex Head Cap Screw (ansi b18.2.3.1m), showing 200, (click on any line for more information)
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Century | FL | Hex Head Cap Screw | Plain | 1/4-20 | ms35307-308s316 | 16786 |
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| Century | FL | Hex Head Cap Screw | Steel | Plain | nas1611-023a o-ring | 73 |
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| Century | FL | Hex Head Cap Screw | Class 8.8 | Zinc/Clear | M12 x 60 | m12.0 x 60.0mm grade 8.8 zinc pl hex cap screws full thread din 933 | 66 |
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| Century | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M16 x 30 | m16.0 x 30.0mm 18-8 hex cap screws full thread din 933 | 45 |
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| Weaver | WA | Hex Head Cap Screw | Grade 8 | Plain | 1 1/8-12 x 4 | 1 1/8-12x4 gr8 hex c/s plain | 10 |
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| Century | FL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/8-11 x 2 1/4 | 5/8-11 x 2 1/4 hex hd cap screw grade 5 zinc | 5 |
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| Century | FL | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/8-11 x 2 1/2 | 5/8-11 x 2 1/2 hex hd cap screw s316 stainless steel | 5 |
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| Century | FL | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 3/4-10 x 7 | 3/4-10 x 7 hex hd cap screw grade 8 zi & yel zinc/yellow | 5 |
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| Century | FL | Hex Head Cap Screw | Steel | Zinc/Green | 1 | 10-564840-001 per print rev g cap screw hex head olive drab chromate coating per note 1 | 5 |
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| Century | FL | Hex Head Cap Screw | Plain | 1/4-20 | ms35307-308s316 | 16786 |
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| Century | FL | Hex Head Cap Screw | Steel | Plain | nas1611-023a o-ring | 73 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 3/8-16 x 3 | 3/8-16 x 3 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 3475 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 3/8-16 x 3 1/2 | 3/8-16 x 3-1/2 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 3250 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 3/8-16 x 4 | 3/8-16 x 4 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 3220 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 3/8-16 x 4 1/2 | 3/8-16 x 4-1/2 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 810 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 3/8-16 x 5 | 3/8-16 x 5 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 270 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 3/8-16 x 6 | 3/8-16 x 6 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 50 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 2 | 1/2-13 x 2 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 1575 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 2 1/4 | 1/2-13 x 2-1/4 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 1875 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 2 1/2 | 1/2-13 x 2-1/2 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 984 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 2 3/4 | 1/2-13 x 2-3/4 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 1000 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 3 | 1/2-13 x 3 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 3000 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 3 1/2 | 1/2-13 x 3-1/2 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 1225 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 4 | 1/2-13 x 4 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 2050 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 5 | 1/2-13 x 5 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 30 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 6 | 1/2-13 x 6 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 5 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 6 1/2 | 1/2-13 x 6-1/2 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 15 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 9 | 1/2-13 x 9 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 6 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/8-11 x 2 1/2 | 5/8-11 x 2-1/2 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 240 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/8-11 x 2 3/4 | 5/8-11 x 2-3/4 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 810 |
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| Brikksen | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/8-11 x 3 | 5/8-11 x 3 hex head cap screw asme | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | b18.2.1 fully threaded 316 stainless steel | 320 |
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| IntScrew | FL | Hex Head Cap Screw | Nylon (Polyamide) | Plain | 1/4-20 x 3/4 | 1/4-20x3/4 hex slotted cap screws black nylon | 15400 |
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| ACCURATE | IL | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 1/2-13 x 1 | hex c/sr gr2 | 100 |
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| ACCURATE | IL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 2 1/2 | hex c/sr 18-8 s/s | 50 |
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| ACCURATE | IL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 x 1 1/2 | hex c/sr 18-8 s/s (fine thread) | 82 |
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| ACCURATE | IL | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 5 | coarse hex c/sr gr8 | 6 |
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| ACCURATE | IL | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-24 x 1 1/2 | fine hex c/sr gr8 | 950 |
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| ACCURATE | IL | Hex Head Cap Screw | Grade 5 | Plain | 5/8-11 x 3 | coar hex c/sr gr5 | 9 |
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| ACCURATE | IL | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 3/4-10 x 3 3/4 | coarse hex c/sr gr8 | 11 |
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| ACCURATE | IL | Hex Head Cap Screw | Class 10.9 | Plain | M10 x 35 | M10x35 10.9 ft hex c/sr din 933 M1035D93310 | 450 |
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| ACCURATE | IL | Hex Head Cap Screw | Class 8.8 | Zinc/Clear | M14-1.50 | class 8 hex nuts (fine thread) din 960 | 102 |
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| ACCURATE | IL | Hex Head Cap Screw | Class 10.9 | Plain | M8 x 35 | 10.9 pt c/sr din 931 | 13 |
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| ACCURATE | IL | Hex Head Cap Screw | Grade 5 | Plain | 1-8 x 4 | coar hex c/sr gr5 | 2 |
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| ACCURATE | IL | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 1-8 x 5 1/2 | coarse hex c/sr gr8 | 17 |
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| ACCURATE | IL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-28 x 3 | fine hex c/sr gr5 | 33 |
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| ACCURATE | IL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-24 x 2 | fine hex c/sr gr5 | 1771 |
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| ACCURATE | IL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-24 x 3 | fine hex c/sr gr5 | 870 |
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| ACCURATE | IL | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 3/4-10 x 3 1/4 | coarse hex c/sr gr8 | 57 |
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| ACCURATE | IL | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 3 | hex c/sr 316 stainless | 2 |
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| RCFast | AZ | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 7/8 | hex cap gr5 cr+3 (ft) | 1500 |
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| RCFast | AZ | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 3/8-16 x 7/8 | hex cap gr5 cr+3 (ft) | 1000 |
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| RCFast | AZ | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 3/8-16 x 1 3/4 | hex cap gr5 cr+3 (pt) | 600 |
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| RCFast | AZ | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 3/8-16 x 4 1/4 | hex cap gr5 cr+3 (pt) | 150 |
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| METRO IND | OH | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 3 1/2 | 1-8x3 1/2 hex c/s s/s | 76 |
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| METRO IND | OH | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 3/8-16 x 4 1/4 | 3/8-16x4 1/4 hex c/s grade 8 zinc/y | 123 |
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| METRO IND | OH | Hex Head Cap Screw | Grade 8 | Plain | 1/2-13 x 7 1/2 | 1/2-13x7 1/2 hex c/s grade 8 | 7 |
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| C & S Fas | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 1/2 | 1/2-13 x 3-1/2 hex cap screw 18-8ss | 973 |
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| C & S Fas | FL | Hex Head Cap Screw | Class 10.9 | Plain | M12-1.75 x 45 | 12mm-1.75 x 45mm hex cap screw class 10.9 plain din 931 | 327 |
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| C & S Fas | FL | Hex Head Cap Screw | Class 10.9 | Zinc/Clear | M10-1.50 x 140 | 10mm-1.50 x 140mm hex cap screw class 10.9 zinc din 931 | 145 |
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| C & S Fas | FL | Hex Head Cap Screw | Class 10.9 | Zinc/Clear | M10-1.50 x 150 | 10mm-1.50 x 150mm hex cap screw class 10.9 zinc din 931 | 146 |
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| C & S Fas | FL | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 1-14 x 5 1/2 | 1-14 x 5-1/2 hex cap screw fine gr 8 yellow zinc | 13 |
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| C & S Fas | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M10-1.50 x 16 | 10mm-1.50 x 16mm hex cap screw a2 (18-8ss) ft din 933 | 500 |
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| C & S Fas | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M10-1.50 x 20 | 10mm-1.50 x 20mm hex cap screw a2 (18-8) ft din 933 | 306 |
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| C & S Fas | FL | Hex Head Cap Screw | Class 10.9 | Plain | M10-1.50 x 35 | 10mm-1.50 x 35mm hex cap screw class 10.9 plain din 931 | 598 |
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| C & S Fas | FL | Hex Head Cap Screw | Class 10.9 | Plain | M10-1.50 x 40 | 10mm-1.50 x 40mm hex cap screw class 10.9 plain ft din 933 | 400 |
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| C & S Fas | FL | Hex Head Cap Screw | Class 10.9 | Zinc/Yellow | M10-1.50 x 40 | 10mm-1.50 x 40mm hex cap screw class 10.9 yz din 931 | 400 |
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| C & S Fas | FL | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 1-14 x 6 1/2 | 1-14 x 6-1/2 hex cap screw fine gr 8 yellow zinc | 18 |
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| C & S Fas | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M10-1.50 x 40 | 10mm-1.50 x 40mm hex cap screw a2 (18-8ss) ft din 933 | 295 |
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| C & S Fas | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M10-1.50 x 50 | 10mm-1.50 x 50mm hex cap screw a2 (18-8ss) ft din 933 | 250 |
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| C & S Fas | FL | Hex Head Cap Screw | Class 10.9 | Plain | M10-1.50 x 60 | 10mm-1.50 x 60mm hex cap screw class 10.9 plain ft din 933 | 300 |
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| C & S Fas | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M10-1.50 x 60 | 10mm-1.50 x 60mm hex cap screw a2 (18-8ss) ft din 933 | 150 |
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| C & S Fas | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M10-1.50 x 85 | 10mm-1.50 x 85mm hex cap screw a2 (18-8ss) pt din 931 | 48 |
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| C & S Fas | FL | Hex Head Cap Screw | Class 10.9 | Zinc/Clear | M10-1.50 x 90 | 10mm-1.50 x 90mm hex cap screw class 10.9 zinc din 931 | 222 |
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| C & S Fas | FL | Hex Head Cap Screw | Grade 8 | Plain | 1 1/8-7 x 5 1/2 | 1 1/8-7 x 5-1/2 hex cap screw gr 8 plain | 20 |
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| C & S Fas | FL | Hex Head Cap Screw | Grade 8 | Plain | 1 1/8-7 x 6 | 1 1/8-7 x 6 hex cap screw gr 8 plain | 50 |
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| C & S Fas | FL | Hex Head Cap Screw | Grade 8 | Plain | 1 1/8-7 x 8 | 1 1/8-7 x 8 hex cap screw gr 8 plain | 60 |
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| Future Fastener | TX | Hex Head Cap Screw | Steel | Plain | M18 x 180 | m18 x 180 hex head cap screw black ( ak5) | 230 |
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| Future Fastener | TX | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M10-1.25 x 30 | m10-1.25 x 30 hex head cap screw fine thread stainless steel | 350 |
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| Future Fastener | TX | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 2 1/2 | 1/4-20x2-1/2 grade 5 hex head cap screw unc thread zinc plated | 50 |
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| Future Fastener | TX | Hex Head Cap Screw | Steel | Black Oxide | M16 x 240 | M16x240 hex head cap screw blk | 148 |
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| MAINSOURC | NH | Hex Head Cap Screw | Grade 8 | Plain | 1-8 x 3 | 1-8x3 hex cap screw grade 8 | 2 |
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| MAINSOURC | NH | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #2-56 x 1/4 | 2-56x1/4 hex cap screw 18-8 ss | 100 |
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| Future Fastener | TX | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M27 x 180 | M27x180 hex head cap screw 18-8 304 steel | 10 |
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| METRO IND | OH | Hex Head Cap Screw | Class 10.9 | Plain | M6 x 35 | M6x35 hex c/s full thread 10.9 din 933 | 135 |
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