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5/16 Machine Screws
Machine Screws are uniformly threaded screws which are designed to be screwed into pre-drilled, pre-threaded holes, or in conjunction with a nut, usually with a diameter less than 1/4inch. Larger diameter machine screws with a hex head are usually referred to as machine bolts.
199,663 Machine Screw, showing 200, (click on any line for more information)
| Search Results Sponsored by ISSCO, Inc., your source for Machine Screws. For more results, visit isscoinc.com | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| ISSCO | MO | Machine Screw | Steel | Zinc/Clear | 5/16-24 x 3/8 | unslotted ind hex | 1440 |
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| ISSCO | MO | Machine Screw | Steel | Zinc/Clear | 5/16-24 x 1 3/4 | slotted round | 1771 |
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| ISSCO | MO | Machine Screw | Steel | Zinc/Clear | 5/16-24 x 3/4 | unslotted ind hex w/ 3/8 thrd | 10000 |
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| ISSCO | MO | Machine Screw | Steel | Zinc/Clear | 5/16-24 x 5/8 | slotted round | 22300 |
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| Buy Machine Screws from one of our FCH Network Members | ||||||||
| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3 | 5/16-18 x 3 phillips truss m/s ss/chrome- | 800 |
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| Brikksen | FL | Machine Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 1 1/2 | 5/16-18 x 1-1/2 ph pan m/s 316s | inquire |
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Chrome Plated | 5/16-18 x 2 | 5/16-18 x 2 phillips truss m/s ss/bright chrome- | 1000 |
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| Brikksen | FL | Machine Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 3/4 | 5/16-18 x 3/4 phillips pan m/s 316ss | 800 |
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| Brikksen | FL | Machine 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 phillips flat m/s ss | inquire |
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3 1/2 | 5/16-18 x 3-1/2 ph oval m/s ss/ch- | 50 |
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| Brikksen | FL | Machine 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 phillips ovalal head m/s 18-8 ss 25 per small bag 5 small bags per master pack-generic brand | inquire |
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| Brikksen | FL | Machine Screw | Silicon Bronze | Plain | 5/16-18 x 8 | 5/16-18 x 8 slotted flat head m/s silicon bronze bulk-generic brand | inquire |
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| Brikksen | FL | Machine 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 ph pan m/s ss | inquire |
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| Brikksen | FL | Machine Screw | Brass | Plain | 5/16-18 x 3/4 | 5/16-18 x 3/4 slottedround m/s brs | inquire |
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| Brikksen | FL | Machine 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 ph oval m/s ss/ch- | 300 |
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| Brikksen | FL | Machine Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 4 | 5/16-18 x 4 phillips ovalal m/s 316ss | inquire |
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 4 | 5/16-18 x 4 slottedround m/s s/s | inquire |
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| Brikksen | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 6 | 5/16-18 x 6 phillips ovalal head m/s 18-8 ss 5 per small bag 5 small bags per master pack-generic brand | inquire |
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| Brikksen | FL | Machine 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 phillips ovalal head m/s 18-8 ss 10 per small bag 5 small bags per master pack-generic brand | inquire |
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| Brikksen | FL | Machine 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 ph ovalal m/s ss | 2000 |
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| Brikksen | FL | Machine Screw | Silicon Bronze | Plain | 5/16-18 x 4 | 5/16-18 x 4 phillips flat head m/s silicon bronze 10 per small bag 5 small bags per master pack-generic brand | 100 |
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| Brikksen | FL | Machine Screw | Silicon Bronze | Plain | 5/16-18 x 2 | 5/16-18 x 2 phillips flat head m/s silicon bronze 10 per small bag 5 small bags per master pack-generic brand | inquire |
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| Brikksen | FL | Machine 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 phillips flat m/s ss/ch- | 300 |
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| Brikksen | FL | Machine Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 1 1/2 | 5/16-18 x 1-1/2 phillips ovalal m/s 316ss | inquire |
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| Century | FL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 | 5/16-18 x 1 slotted flat hd steel zinc plt | 100 |
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| SWACO | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/4 | 5/16-18 x 3/4 phillips flat ms 18-8 | 2000 |
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| SWACO | OH | Machine Screw | Steel | Plain | 5/16-18 x 1/2 | 5/16-18x1/2 ms flat sltzn | 2000 |
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| SWACO | OH | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18 x 1-1/2 slotted hex wash hd ms zinc w/trivalent chromate rohs compliant | 500 |
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| FasSpcMfg | FL | Machine Screw | Ni-Cu Alloy (Monel, K-Monel, etc.) | Plain | 5/16-18 x 1 | 5/16-18 x 1 slotted fillister head machine screw ni-cu | 5 |
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| FasSpcMfg | FL | Machine Screw | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 5/16-24 x 3/8 | 5/16-24 x 3/8 hex head machine screw inconel 625 | 3 |
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| Alma Bolt | MI | Machine Screw | Plain | 5/16-18 x 3/4 | 5/16-18 x 3/4 w/nylon pellet | truss phillips machine screw | 4099 |
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| Alma Bolt | MI | Machine Screw | Plain | 5/16-18 x 2 1/4 | 5/16-18 x 2 1/4 | truss phillips machine screw | 92 |
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| Alma Bolt | MI | Machine 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 | st. st. pan phillips m/s | 4 |
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| Alma Bolt | MI | Machine Screw | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 | fillister hd slotted m/s | 98 |
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| Alma Bolt | MI | Machine Screw | Steel | Plain | 5/16-18 x 1 3/4 | pan phillips | 88 |
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| OneMonroe | MA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 3/4 | 5/16-18 x 1 3/4 slottedflat m/s pkg plated pkg qty 100 carton 5 | 590 |
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| OneMonroe | MA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 3/4 | 5/16-18 x 1-3/4 phillips pan head zinc plated machine screw | 400 |
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| OneMonroe | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1/2 | 5/16-18 x 1/2 phillips/truss head machine screw 18-8 ss | 900 |
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| OneMonroe | MA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18 x 3/4 zinc indented hex washer head unslotted machine screw | 1300 |
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| Empire | WA | Machine Screw | Steel | Plain | 5/16-18 x 1 1/2 | 5/16-18 x 1-1/2 flat hd phl ms | 995 |
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| Empire | WA | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 4 | 5/16-18 x 4 round slot m/s zp | 452 |
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| Raw Produ | NJ | Machine Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 3 | phillips pan head ms 316 ss 5/16-18 x 3 | 292 |
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| Raw Produ | NJ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/2 | slotted flat head machine screw 18-8 ss 5/16-18 x 2-1/2 | 500 |
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| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 5/16-18 x 5 | slotted flat head ms silicon bronze 5/16-18 x 5 | 500 |
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| Raw Produ | NJ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/2 | phillips ovalal head ms 304 ss 5/16-18 x 1-1/2 | 1290 |
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| Raw Produ | NJ | Machine Screw | Brass | Plain | 5/16-18 x 1 1/4 | brass slotted flat head ms 5/16-18 x 1-1/4 | 313 |
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| Raw Produ | NJ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3 | phillips ovalal head ms 304 ss 5/16-18 x 3 | 400 |
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| Raw Produ | NJ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/4 | phillips ovalal head ms 304 ss 5/16-18 x 3/4 | 394 |
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| Raw Produ | NJ | Machine Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 1 1/4 | phillips ovalal head ms 316 ss 5/16-18 x 1-1/4 | 305 |
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| Raw Produ | NJ | Machine Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 2 | phillips pan head ms 316 ss 5/16-18 x 2 | 97 |
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| Raw Produ | NJ | Machine Screw | Brass | Plain | 5/16-18 x 1 | brass slotted flat head ms 5/16-18 x 1 | 42 |
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| Raw Produ | NJ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 3/4 | phillips pan head ms 304 ss 5/16-18 x 1-3/4 | 63 |
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| Raw Produ | NJ | Machine Screw | Silicon Bronze | Plain | 5/16-18 x 1 3/4 | slotted round head ms silicon bronze 5/16-18 x 1-3/4 | 18 |
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| QCS | OR | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1/2 | 5/16-18x1/2 slotted round m/s zinc | 200 |
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| Fastener | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 | phillips pan machine screw 5/16-18x1 18.8 | 150 |
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| National | Ont | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18x3/4 rnd slotted ms sz | 460 |
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| WINA | MN | Machine Screw | Brass | Brass Plated | 5/16-18 x 1 1/2 | flat head machine screw 82 st zn slotted 5/16-18x1 1/2 | 967 |
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| WINA | MN | Machine Screw | Brass | Brass Plated | 5/16-18 x 2 | flat head machine screw 82 st zn ph 5/16-18x2 | 688 |
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| Mansco | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/4 | 5/16-18x3/4 truss 6-lobe m/s 18-8 s/s | 449 |
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| Mansco | MI | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 3/4 | indented hex washer unslotted m/s triv znc | 6796 |
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| AFI | FL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18x1-1/2 phil flat ms st zn () () | 1255 |
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| AFI | FL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1/2 | 5/16-18x1/2 phil flat uc ms st zn () () | 2752 |
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| EASTERN SCREW | RI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 | 5/16-18 x 1 indented hex 18-8 | 3175 |
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| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/8 | 5/16-18 x 3/8 slot rd m/s sst rohs () () | 94 |
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| Mansco | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1-1/2 flat slot m/s 18-8 s.s. | 600 |
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| Century | NY | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 3 1/2 slt.ind hex-wa hd m/s steel zinc plt | 150 |
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| Blackland Precision Hardware,LLC | TX | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/4 | slotted round 5/16-18x1-1/4 stainless | 1489 |
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| Fastener | OH | Machine Screw | 316, 317, A4 Stainless | Plain | phillips flat machine screw 5/16-18 x 3-1/2 316 | 117 |
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| Wink Fast | VA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/4 | 18.8 (a2) 18-8 304 steel slotted round machine screw 5/16-18x1-1/4 dimensionally per asme b18.6.3 | 18022 |
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| AIH | AZ | Machine 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 phil pan s/s 304ss MS51957-100 | 154 |
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| ASFCORP | MI | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 2 | 5/16-18 x 2 phil pan hd mach scw tri zn fe/zn 5an pkg | 15 |
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| THRDFAST | FL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 1 1/2 | slotted flat m/s b18.6.3 | 66 |
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| THRDFAST | AL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 3/4 | slotted fillister m/s b18.6.3 | 46 |
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| THRDFAST | MS | Machine Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 1 1/4 | t-316 ss phil flat m/s b18.6.3 | 76 |
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| THRDFAST | FL | Machine Screw | Steel | Zinc/Clear | 5/16-18 x 4 | slotted round m/s b18.6.3 | 9 |
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| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | 5/16-18 x 3/4 | nc flat phil zb | 19 |
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| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | 5/16-18 x 1 3/4 | nc flat slotted zb | 394 |
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| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/2 | nc 18-8 ss round slotted | 65 |
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| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 | nc 18-8 ss oval slotted | 3 |
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| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | 5/16-18 x 4 1/2 | nc flat slotted zb | 100 |
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