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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 are usually referred to a machine bolts.
No results , but 200 less specific items displayed.
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty |
|---|---|---|---|---|---|---|---|
| Search results presented by ISSCO, Inc., your source for Machine Screws. For more results, visit isscoinc.com | |||||||
| Olander | CA | Machine Screw | Brass | Plain | 1/4-20 x 5/16 | 1/4-20 x 5/16 ph pan br pln | 155 |
| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/16 | slotted round m/s 18-8 s/s | 360 |
| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | 1/4-20 x 3/8 | nc pan phil zb | 262 |
| SBS | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/8 | phil pan m/s s/s | |
| Weaver | WA | Machine Screw | Brass | Plain | 1/4-20 x 3/8 | slotted pan | 80 |
| Olander | CA | Machine Screw | Steel | Plain | 1/4-20 x 3/8 | 1/4-20 x 3/8 slot pan hd polypro | 84 |
| Mansco | MI | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3/8 | round slotted m/s znc 100/box | 1,836 |
| Alma Bolt | MI | Machine Screw | Brass | Plain | 1/4-20 x 3/8 | round slotted | 700 |
| FDL | IL | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3/8 | 1/4-20 x 3/8 phillips pan hd machine screw steel zinc plated per ifi b18.6.3 | 3854 |
| THRDFAST | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/8 | 18-8 ss phil flat m/s und cut b18.6.3 | 1500 |
| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/8 | 1/4-20x3/8 slt hex wash hd ms ss | 821 |
| SBS | MA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3/8 | phil truss m/s | |
| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | slotted fillister m/s 18-8 s/s | 100 |
| Empire | WA | Machine Screw | Steel | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 pan phil m/s | 457 |
| THRDFAST | AL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 18-8 ss phil round m/s b18.6.3 | 3 |
| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | 1/4-20 x 1/2 | nc pan phil zb | 100 |
| EFSCO | OR | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | slotted flat 18-8 s/s | 327 |
| AFI | FL | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1/2 | 1/4-20x1/2 phil flat 100 deg st zn | 2637 |
| GLF | OH | Machine Screw | 316, 317, A4 Stainless | Plain | 1/4-20 x 1/2 | phil flat m/s 316 stainless | 30 |
| AFI | FL | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1/2 | 1/4-20x1/2 phil pan ms st zn rohs | 2599 |
| Timberline | CO | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1/2 | phl pan m/s zn 1/4-20 x 1/2 | 2885 |
| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | phil pan m/s 18-8 s/s | 719 |
| Hewes | NY | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 1/4-20x 1/2 slot fill m/s | 99 |
| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 1/4-20x1/2 phil flat ms ss | 2390 |
| Olander | CA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1/2 | 1/4-20 x 1/2 phil flat stl blk rohs | 734 |
| Hodell | OH | Machine Screw | Nylon | Plain | 1/4-20 x 1/2 | slotted round mach metal core part# s31015 | 365 |
| Lightning | LA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | fillister slotted m/s 18-8ss | 100 |
| AFI | FL | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1/2 | 1/4-20x1/2 phil truss ms st zn | 2376 |
| SBS | MA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1/2 | phil pan m/s | |
| SWACO | OH | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1/2 | 1/4-20 x 1/2 combo truss ms zi | 603 |
| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 1/4-20x1/2 phil flat ms ss wax | 498 |
| Alma Bolt | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | st. st. pan phillips | 651 |
| GLF | OH | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1/2 | slotted round m/s zc | 3350 |
| AALL | NJ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 flat slot machine screw, stainless steel | 1000 |
| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | nc 18-8 ss fillister slotted mach | 21 |
| Empire | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | 1/4-20 x 5/8 pan phil m/s ss | 500 |
| Hewes | NY | Machine Screw | 316, 317, A4 Stainless | Plain | 1/4-20 x 5/8 | 1/4-20x 5/8 phil pan m/s | 46 |
| Timberline | CO | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 5/8 | phl pan m/s zn 1/4-20 x 5/8 | 2200 |
| FTS | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | pan phillips m/s 18-8ss | 2720 |
| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | slotted truss m/s 18-8 s/s | 970 |
| THRDFAST | AL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | 18-8 ss phil flat m/s b18.6.3 | 70 |
| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | 1/4-20x5/8 phil truss ms ss | 840 |
| SBS | MA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 5/8 | slotted indented hex washer m/s | |
| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | phil round m/s 18-8 s/s | 600 |
| Ababa | CA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20 x 5/8 unlotted indented hex machine screw steel zinc pltd | 1500 |
| GLF | OH | Machine Screw | Brass | Plain | 1/4-20 x 5/8 | phil flat m/s brs | 98 |
| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | phil truss m/s 18-8 s/s | 1570 |
| Endries | WI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | 1/4-20x3/4 18-8 ph flat hd m/s | 104245 |
| Empire | WA | Machine Screw | Steel | Plain | 1/4-20 x 3/4 | 1/4-20x 3/4 flat slot m/s nyl | 74 |
| Weaver | WA | Machine Screw | Nylon | Plain | 1/4-20 x 3/4 | slotted round | 1000 |
| MAINSOURC | NH | Machine Screw | Steel | Black Oxide | 1/4-20 x 3/4 | ms51957-81b (phil pan m/s 1/4-20 x 3/4 ss blk) | 930 |
| Timberline | CO | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3/4 | phl pan m/s zn 1/4-20 x 3/4 | 5904 |
| Weaver | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | slotted flat 18-8 ss | 265 |
| AALL | NJ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | 1/4-20 x 3/4 truss phillips machine screw, stainless steel, nylon patch | 650 |
| THRDFAST | MS | Machine Screw | 316, 317, A4 Stainless | Plain | 1/4-20 x 3/4 | t-316 ss phil flat m/s b18.6.3 | 618 |
| SBS | MA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3/4 | phil oval m/s | |
| Alma Bolt | MI | Machine Screw | Steel | Plain | 1/4-20 x 3/4 | truss phillips | 1415 |
| Mansco | MI | Machine Screw | Steel | Zinc/Yellow | 1/4-20 x 3/4 | round phil m/s triv znc w/yellow nylon patch | 28,410 |
| EFSCO | OR | Machine Screw | 316, 317, A4 Stainless | Plain | 1/4-20 x 3/4 | phillips oval 316 stainless | 700 |
| WDMB | IA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3/4 | torx flat m/s | 1500 |
| SBS | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | phil flat m/s undercut s/s | |
| Komar | MO | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | phil truss 18-8 ss | 350 |
| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | nc 18-8 ss oval slotted | 240 |
| Mansco | MI | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3/4 | round phil/slotted m/s 100/box | 6,015 |
| SBS | MA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3/4 | slotted round m/s | |
| Weaver | WA | Machine Screw | Brass | Plain | 1/4-20 x 3/4 | slotted round | 75 |
| GLF | OH | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3/4 | combo truss m/s zc | 1875 |
| SBS | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | phil flat m/s s/s | |
| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | nc 18-8 ss fillister slotted mach | 1420 |
| Timberline | CO | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3/4 | fl st m/s zn 1/4-20 x 3/4 | 400 |
| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | nc 18-8 ss truss phil | 58 |
| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | 1/4-20 x 3/4 torx pan sst rohs | 820 |
| MAINSOURC | NH | Machine Screw | Nylon | Plain | 1/4-20 x 3/4 | slotted pan m/s | 800 |
| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | nc 18-8 ss flat phil usa | 200 |
| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | 1/4-20 x 3/4 | nc oval slotted zb | 90 |
| AFI | FL | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3/4 | 1/4-20x3/4 slt hex wash hd ms st zn patc | 624 |
| Alma Bolt | MI | Machine Screw | Steel | Plain | 1/4-20 x 3/4 | (6-lobe) flat torx | 3900 |
| WDMB | IA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/4 | phil pan m/s 18-8 ss | 39044 |
| AALL | NJ | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3/4 | 1/4-20 x 3/4 truss phillips machine screw, steel zinc | 133 |
| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 7/8 | phil truss m/s 18-8 s/s | 860 |
| WDMB | IA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 7/8 | phil pan m/s 18-8 ss | 42628 |
| Timberline | CO | Machine Screw | Steel | Plain | 1/4-20 x 7/8 | phl pan m/s tv 1/4-20 x 7/8 | 85720 |
| GLF | OH | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 | phil round m/s zc | 293 |
| Timberline | CO | Machine Screw | Nylon | Plain | 1/4-20 x 1 | bind nyl m/s 1/4-20 x 1 | 2347 |
| Mansco | MI | Machine Screw | Brass | Plain | 1/4-20 x 1 | flat phil m/s 100/box | 150 |
| Empire | WA | Machine Screw | Steel | Plain | 1/4-20 x 1 | 1/4-20 x 1 round slot m/s | 2500 |
| Timberline | CO | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 | fl st m/s zn 1/4-20 x 1 | 100 |
| Timberline | CO | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 | comb rd m/s zn 1/4-20 x 1 | 6200 |
| Mansco | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 | truss phil m/s 18-8 s/s | 5,402 |
| Hewes | NY | Machine Screw | 316, 317, A4 Stainless | Plain | 1/4-20 x 1 | 1/4-20x 1 slot pan m/s | 23 |
| Empire | WA | Machine Screw | Steel | Plain | 1/4-20 x 1 | 1/4-20 x 1 hwh m/s | 8097 |
| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 1/4-20 x 1 | 1/4-20x1 phil pan ms ss blk ox | 150 |
| AFI | FL | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 | 1/4-20x1 phil flat 100 deg st zn | 4000 |
| GLF | OH | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 | phil flat undercut m/s zc | 374 |
| Komar | AR | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 | phil flat m/s nyl patch-1/8 f.e. | 4000 |
| THRDFAST | AL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 | 18-8 ss slotted flat m/s b18.6.3 | 32 |
| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 | nc 18-8 ss fillister slotted mach | 55 |
| AFI | FL | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 | 1/4-20x1 slt flat ms st zn | 2400 |
| SBS | MA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 | phil truss m/s s/s | |
| THRDFAST | OK | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 | slotted flat m/s domestic b18.6.3 | 1,395 |
| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 | 1/4-20x1 phil flat ms ss | 475 |
| AFI | FL | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 | 1/4-20x1 ind hex hd ms st zn | 550 |
| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 | phil round m/s 18-8 s/s | 200 |
| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | 1/4-20 x 1 | nc round slotted zb | 375 |
| Timberline | CO | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 | phl fl m/s zn 1/4-20 x 1 | 2700 |
| AALL | NJ | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 | 1/4-20 x 1 flat slot machine screw, steel zinc | 100 |
| AALL | NJ | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 1/4 | 1/4-20 x 1 1/4 pan phillips machine screw, steel zinc | 525 |
| Alma Bolt | MI | Machine Screw | Steel | Plain | 1/4-20 x 1 1/4 | pan combo | 1900 |
| AALL | NJ | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 1/4 | 1/4-20 x 1 1/4 pan phillips machine screw, steel zinc | 950 |
| THRDFAST | MS | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 1/4 | 18-8 ss slotted truss m/s b18.6.3 | 5 |
| Ababa | CA | Machine Screw | Steel | Tin | 1/4-20 x 1 1/4 | 1/4-20 x 1 1/4 slot pan machine screw brass tin pltd | 500 |
| SWACO | OH | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 1/4 | 1/4-20 x 1-1/4 slt truss ms zi | 75 |
| Weaver | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 1/4 | slotted round 18-8 ss | 430 |
| Olander | CA | Machine Screw | Brass | Plain | 1/4-20 x 1 1/4 | 1/4-20 x 1 1/4 slot m/s rd br pln | 73 |
| Timberline | CO | Machine Screw | Steel | Plain | 18 1/4-20 x 1 1/4 | phl pan m/s 18 1/4-20 x 1-1/4 | 6 |
| Mansco | MI | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 1/4 | oval phil m/s znc | 977 |
| EFSCO | OR | Machine Screw | Steel | Zinc/Black | 1/4-20 x 1 1/4 | round phil. zb | 4755 |
| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 1/4 | 1/4-20x1-1/4 phil flat ms ss | 475 |
| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | 1/4-20 x 1 1/4 | nc truss slotted zb | 14 |
| AALL | NJ | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 1/4 | 1/4-20 x 1 1/4 round combo machine screw, steel zinc | 1650 |
| Timberline | CO | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 1/4 | tr torx m/s 1/4-20 x 1-1/4 ss | 6319 |
| Empire | WA | Machine Screw | Steel | Plain | 1/4-20 x 1 1/4 | 1/4-20 x 1-1/4 pan phil m/s | 300 |
| Empire | WA | Machine Screw | Steel | Plain | 1/4-20 x 1 1/2 | 1/4-20 x 1-1/2 pan phil m/s | 300 |
| WDMB | IA | Machine Screw | Steel | Zinc/Yellow | 1/4-20 x 1 1/2 | phil round m/s z&y | 613 |
| Weaver | WA | Machine Screw | Brass | Plain | 1/4-20 x 1 1/2 | slotted flat | 40 |
| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 1/2 | slotted truss m/s 18-8 s/s | 46 |
| THRDFAST | AL | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 1/2 | phil flat m/s b18.6.3 | 500 |
| Olander | CA | Machine Screw | Brass | Plain | 1/4-20 x 1 1/2 | 1/4-20 x 1 1/2 ph pan br pln | 96 |
| Mansco | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 1/2 | truss f/c phil m/s 18-8 s/s 100/box | 300 |
| Ababa | CA | Machine Screw | Steel | Black Oxide | 1/4-20 x 1 1/2 | 1/4-20 x 1 1/2 phil-oval machine screw steel black oxide | 900 |
| Timberline | CO | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 1/2 | phl fl m/s zn 1/4-20 x 1-1/2 | 2200 |
| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | 1/4-20 x 1 1/2 | nc truss slotted zb | 390 |
| Empire | WA | Machine Screw | Steel | Plain | 1/4-20 x 1 1/2 | 1/4-20 x 1-1/2 flat hd phil ms | 595 |
| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 1/2 | nc 18-8 ss pan slotted | 64 |
| Empire | WA | Machine Screw | Steel | Plain | 1/4-20 x 1 1/2 | 1/4-20 x 1-1/2 oval slot m/s | 9 |
| AFI | FL | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 1/2 | 1/4-20x1-1/2 combo rd ms st zn | 200 |
| Timberline | CO | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 1/2 | comb rd m/s zn 1/4-20 x 1-1/2 | 6200 |
| AFI | FL | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 1/2 | 1/4-20 x 1 1/2 phil flat m/s stl zinc | 1800 |
| Weaver | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 1/2 | slotted pan 18-8 ss | 198 |
| Alma Bolt | MI | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 1/2 | st st oval phillips m/s | 533 |
| AALL | NJ | Machine Screw | Steel | Black Oxide | 1/4-20 x 1 1/2 | 1/4-20 x 1 1/2 pan phillips machine screw, steel black oxide & wax and dry finish | 488 |
| Weaver | WA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 1/2 | phil pan | 1198 |
| AALL | NJ | Machine Screw | Steel | Black Oxide | 1/4-20 x 1 1/2 | 1/4-20 x 1 1/2 truss phillips machine screw, steel black oxide | 1030 |
| SBS | MA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 3/4 | phil flat m/s | |
| Olander | CA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 3/4 | 1/4-20 x 1 3/4 ph pan stl zn | 2846 |
| GLF | OH | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 3/4 | combo round m/s zc | 1050 |
| Weaver | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 3/4 | slotted round 18-8 ss | 637 |
| Weaver | WA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 3/4 | slotted round | 1060 |
| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 3/4 | 1/4-20x1-3/4 phil truss ms ss | 1398 |
| EFSCO | OR | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 3/4 | slotted flat 18-8 s/s | 100 |
| GLF | OH | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 3/4 | phil round m/s zc | 572 |
| GLF | OH | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 2 | phil round m/s zc | 600 |
| GLF | OH | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 2 | slotted flat m/s zc | 222 |
| GLF | OH | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 2 | phil pan m/s zc | 434 |
| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 2 | slotted round m/s 18-8 s/s | 534 |
| GLF | OH | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 2 | combo pan m/s zc | 150 |
| AFI | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 2 | 1/4-20x2 phil flat ms ss | 400 |
| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 2 | nc 18-8 ss oval phil | 11 |
| Timberline | CO | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 2 | phl fl m/s zn 1/4-20 x 2 | 1300 |
| Delta | TX | Machine Screw | Ni-Cu Alloy (Monel, K-Monel, etc.) | Plain | 1/4-20 x 2 | slotted flat m/s monel | 40 |
| Weaver | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 2 | slotted flat 18-8 ss | 328 |
| GLF | OH | Machine Screw | 316, 317, A4 Stainless | Plain | 1/4-20 x 2 | slotted round m/s 316 stainless | 13 |
| Weaver | WA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 2 | phil oval | 5 |
| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 2 1/4 | phil pan m/s 18-8 s/s | 430 |
| Weaver | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 2 1/4 | phil truss 18-8 ss | 50 |
| Komar | MO | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 2 1/4 | phil flat | 250 |
| Komar | AR | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 2 1/4 | phil round | 1200 |
| Olander | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 2 1/4 | 1/4-20 x 2 1/4 slot flat sst rohs | 412 |
| Timberline | CO | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 2 1/4 | phl fl m/s zn 1/4-20 x 2-1/4 | 310 |
| Empire | WA | Machine Screw | Steel | Plain | 1/4-20 x 2 1/4 | 1/4-20 x 2-1/4 pan phil m/s | 345 |
| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | 1/4-20 x 2 1/2 | nc flat square drive zb | 1890 |
| THRDFAST | AL | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 2 1/2 | slotted round m/s b18.6.3 | 10 |
| EFSCO | OR | Machine Screw | Steel | Zinc/Black | 1/4-20 x 2 1/2 | truss slotted zb | 411 |
| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | 1/4-20 x 2 1/2 | nc pan slotted zb | 366 |
| Empire | WA | Machine Screw | Steel | Plain | 1/4-20 x 2 1/2 | 1/4-20 x 2-1/2 flat hd phil ms | 413 |
| SBS | MA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 2 1/2 | phil flat m/s | |
| Weaver | WA | Machine Screw | Brass | Plain | 1/4-20 x 2 1/2 | slotted round | 6 |
| Timberline | CO | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 2 3/4 | phil fl m/s ss 1/4-20 x 2-3/4 | 200 |
| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 2 3/4 | phil truss m/s 18-8 s/s | 94 |
| THRDFAST | MS | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3 | 18-8 ss slotted flat m/s b18.6.3 | 16 |
| GLF | OH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3 | phil truss m/s 18-8 s/s | 285 |
| Timberline | CO | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3 | comb rd m/s zn 1/4-20 x 3 | 1500 |
| AALL | NJ | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3 | 1/4-20 x 3 round combo machine screw, steel zinc | 175 |
| Valley Nu | WA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3 | nc 18-8 ss oval slotted | 28 |
| SWACO | OH | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3 | 1/4-20 x 3 ph flt ms stl zinc | 2400 |
| SWACO | OH | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3 | 1/4-20 x 3 ph pn ms stl zinc | 466 |
| EFSCO | OR | Machine Screw | Steel | Zinc/Black | 1/4-20 x 3 | pan slotted zb | 963 |
| Ababa | CA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3 | 1/4-20 x 3 phil-flat machine screw type-f zinc pltd | 400 |
| Ababa | CA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3 | 1/4-20 x 3 slot round machine screw steel zn | 500 |
| Weaver | WA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3 | slotted round | 379 |
| Weaver | WA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3 1/2 | slotted round | 720 |
| Mansco | MI | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3 1/2 | pan phil m/s znc 100/box | 250 |
| THRDFAST | AL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 4 | 18-8 ss phil oval m/s b18.6.3 | 17 |
| AFI | FL | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 4 | 1/4-20x4 phil pan ms st zn | 300 |
| Timberline | CO | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 4 1/2 | rd st m/s zn 1/4-20 x 4-1/2 | 689 |
| Weaver | WA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 4 1/2 | slotted flat | 585 |
| Valley Nu | WA | Machine Screw | Steel | Zinc/Black | 1/4-20 x 4 1/2 | nc round slotted zb | 48 |
| Mansco | MI | Machine Screw | Steel | Black Oxide | 1/4-20 x 5 | pan phil m/s | 300 |
| GLF | OH | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 6 | phil round m/s zc | 100 |
| Empire | WA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 6 | 1/4-20x 6 flat slot m/s z | 44 |
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