Machine Screw (ASME 18.6.3)
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.
Machine Screw (b18.6.3), 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 | 3/8-16 x 5/8 | slotted truss | 2500 |
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| ISSCO | MO | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1 1/4 | slotted round 18-8 | 2350 |
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| ISSCO | MO | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1/4 | trim hex unslotted 18-8 | 7480 |
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| ISSCO | MO | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 x 1 | slotted truss 18-8 | 715 |
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| Century | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 1/8 | 4-40 x 1/8 phillips flat hd 18-8 | 35 |
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| Century | FL | Machine Screw | Steel | Zinc/Clear | #6-32 x 3/16 | 6-32 x 3/16 slotted ind hex-wa hd steel trivalent zinc | 7098 |
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| Century | FL | Machine Screw | Steel | Zinc/Clear | #2-56 x 3/8 | 2-56 x 3/8 phillips pan hd steel trivalent zinc rohs compliant | 5569 |
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| Century | FL | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M2.5 x 8 | az m2.5 x 8 pozi pan m/s 18-8 din 7985 | 5000 |
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| Century | FL | Machine Screw | Steel | Black Oxide | #4-40 x 5/16 | 4-40 x 5/16 phillips flat m/s steel black oxide | 7000 |
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| Century | FL | Machine Screw | Steel | Zinc/Clear | #5-40 x 1/8 | 5-40 x 1/8 phillips pan hd-ms steel trivalent zinc clear | 7000 |
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| Century | FL | Machine Screw | Steel | Zinc/Clear | #6-32 x 5/8 | 6-32 x 5/8 phillips flat hd steel zinc plt | 12000 |
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| Century | FL | Machine Screw | Steel | Zinc/Clear | #6-32 x 5/8 | 6-32 x 5/8 slotted round hd steel zinc plt | 7000 |
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| Century | FL | Machine Screw | Steel | Zinc/Clear | #6-32 x 1 | 6-32 x 1 slotted round hd steel zinc plt | 7000 |
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| Century | FL | Machine Screw | Steel | Zinc/Clear | #10-24 x 1/2 | 10-24 x 1/2 slotted truss hd steel zinc plt | 7000 |
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| Century | FL | Machine Screw | Steel | Zinc/Black | #10-32 x 1/4 | 10-32 x 1/4 phillips truss hd/ms stl blk zi rohs compliant | 5000 |
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| Century | FL | Machine Screw | Steel | Zinc/Clear | #10-32 x 3/4 | 10-32 x 3/4 slotted fillister hd steel zinc clear | 1000 |
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| OneMonroe | MA | Machine Screw | Steel | Zinc/Clear | M2-.4-0.40 x 8 | m2-.4 x 8 phillips pan m/s rohs stl z/cl | 2000 |
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| MAINSOURC | NH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #10-24 x 5/8 | ms51959-64 (10-24 x 5/8 phil flat m/s ss) 304ss MS5195964 | 180 |
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| MAINSOURC | NH | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 3/80 | ms51849-53c (8-32 x 3/8 slotted hex m/s ss) 304ss MS5184953C | 10 |
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| MAINSOURC | NH | Machine Screw | Steel | Plain | M2-0.40 x 12 | phil pan m/s stl z/clr | 1659 |
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| Cal Fastenrs | CA | Machine Screw | Steel | Zinc/Yellow | #10-32 x 1 1/4 | phillips pan w/ yellow chromate | 6,000 |
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| Cal Fastenrs | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1 1/4 | phillips pan 18-8 304 | 300 |
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| Cal Fastenrs | CA | Machine Screw | Steel | Zinc/Clear | #10-24 x 3/4 | slotted round Cr3+ | 6,000 |
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| Cal Fastenrs | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | phillips pan 18-8 304 | 170 |
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| Cal Fastenrs | CA | Machine Screw | Steel | Plain | 5/16-18 x 1/2 | unslotted ind hex washer m/s w/ serratio | 30 |
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| Cal Fastenrs | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40 x 3/8 phillips flat 18-8 304 w/ nylok patch 4C37MXF3/NYL | 9,950 |
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| Cal Fastenrs | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 7/8 | phillips flat 18-8 304 | 640 |
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| Cal Fastenrs | CA | Machine Screw | Steel | Zinc/Clear | #8-32 x 3/4 | combo round Cr3+ | 2,500 |
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| Cal Fastenrs | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 7/8 | phillips flat 18-8 304 | 1,000 |
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| Cal Fastenrs | CA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3/4 | slotted indented hex washer m/s i | 740 |
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| Cal Fastenrs | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1/4 | phillips truss m/s 18-8 304 | 210 |
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| Cal Fastenrs | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M4-0.70 x 16 | phil flat m/s 18-8 304 din 965a | 2,000 |
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| Cal Fastenrs | CA | Machine Screw | Steel | Zinc/Clear | M3-0.50 x 8 | phil flat m/s Cr3+ type h din 965a | 1,500 |
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| UNEEDA | NJ | Machine Screw | Brass | Plain | #8-32 x 1/2 | 8-32x1/2 spec knurled brass | m/s | 2000 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 1/2 | phillips flat ms & clear chromate | 3,000 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | #10-32 x 3/8 | phillips round ms & clear chromate | 9,000 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | #10-32 x 1/2 | phillips oval ms & clear chromate | 9,000 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | 3/8-16 x 4 | sl/phillips combo round ms & clear chromate | 400 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 5/8 | slotted pan ms & clear chromate | 4,000 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | #6-32 x 1 1/4 | phillips truss ms & clear chromate | 10,000 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | #10-24 x 1 1/4 | sl/phillips combo pan ms & clear chromate | 5,000 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | #4-40 x 5/8 | phillips pan ms & clear chromate | 25,000 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | #10-24 x 1 1/2 | sl/phillips combo round ms & clear chromate | 4,000 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 1 3/4 | sl/phillips combo pan ms & clear chromate | 1,900 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | #10-24 x 4 1/2 | sl/phillips combo round ms & clear chromate | 1,000 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | #4-40 x 1/2 | phillips flat ms & clear chromate | 25,000 |
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| XL Screw | GA | Machine Screw | Steel | Zinc/Clear | #10-24 x 1 3/4 | phillips truss ms & clear chromate | 4,500 |
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| Cal Fastenrs | CA | Machine Screw | Steel | Zinc/Clear | #10-32 x 4 1/2 | 10-32x4 1/2 slotted round m/s trivalent zinc slotted round ms | 100 |
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| Cal Fastenrs | CA | Machine Screw | Grade 5 | Zinc/Clear | 3/8-16 x 3/4 | 3/8-16x3/4 gr. 5 unslotted serrated hwh m/s trivalent zinc gr.5 hwh w/serrations | 3,250 |
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| Cal Fastenrs | CA | Machine Screw | Brass | Plain | #8-32 x 3/8 | 8-32 x 3/8 slot flat m/s brass sl fl--brass | sl fl--brass | sl fl--brass | 200 |
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| HBBOLT | CA | Machine Screw | Steel | Zinc/Clear | #10-32 x 3/4 | hwh m/s | 500 |
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| HBBOLT | CA | Machine Screw | Steel | Zinc/Clear | M2-0.40 x 4 | flat phil mach | 100 |
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| HBBOLT | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #0-80 x 3/8 | slotted binding m/s ss | 800 |
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| HBBOLT | CA | Machine Screw | Steel | Plain | cs36 .431-7/8 zero-flute countersunk 82 deg 98826 98826 | 5 |
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| HBBOLT | CA | Machine Screw | Steel | Plain | cs48 1/2-1-15/32 zero-flute countersunk 82 deg 98828 98828 | 5 |
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| HBBOLT | CA | Machine Screw | Steel | Plain | #35 | ag mach dr 87260 87260 | 6 |
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| HBBOLT | CA | Machine Screw | Steel | Plain | #19 | ag mach dr 87420 87420 | 18 |
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| HBBOLT | CA | Machine Screw | Steel | Plain | #6 | ag mach dr 87550 87550 | 6 |
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| HBBOLT | CA | Machine Screw | Steel | Plain | 27/64 | ag mach drill 87940 87940 | 10 |
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| HBBOLT | CA | Machine Screw | Steel | Plain | 21/64 | ag mach drills 87880 87880 | 12 |
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| HBBOLT | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 2 1/2 | flat phillips m/s 18-8 ss | 2 |
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| HBBOLT | CA | Machine Screw | Brass | Plain | #6-32 x 3/4 | flat phil mach | 200 |
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| HBBOLT | CA | Machine Screw | 316, 317, A4 Stainless | Plain | 1/4-20 x 1 1/2 | flat phil mach 316 ss | 100 |
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| HBBOLT | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 6 | flat phillips m/s 18-8 ss | 90 |
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| HBBOLT | CA | Machine Screw | Steel | Zinc/Clear | #10-24 x 3 1/2 | flat phillips m/s z/p | 1,310 |
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| HBBOLT | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5 | flat phillips m/s 18-8 ss | 15 |
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| HBBOLT | CA | Machine Screw | Brass | Plain | #10-24 x 1/2 | flat phillips m/s | 100 |
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| HBBOLT | CA | Machine Screw | Steel | Zinc/Clear | 3/8-16 x 1 3/4 | flat phil m/s z/p | 600 |
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| HBBOLT | CA | Machine Screw | Steel | Zinc/Clear | 3/8-16 x 4 1/2 | flat phillps ms z/p | 35 |
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| HBBOLT | CA | Machine Screw | Steel | Black Oxide | #4-40 x 3/8 | flat phillips m/s | 200 |
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| Cal Fastenrs | CA | Machine Screw | Steel | Zinc/Clear | M6-1.00 x 8 | m6-1.0 x 8 phillips pan m/s trivalent zinc | 1,500 |
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| Cal Fastenrs | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | ms-51959-15 4-40x3/8 phil flat m/s stainless ms-51959-15 | ms-51959-15 | ms-51959-15 | 2,000 |
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| Cal Fastenrs | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #8-32 x 1 1/2 | 8-32 x 1 1/2 phil pan m/s stainless black oxide phil pan ms | phil pan ms | phil pan ms | 5,000 |
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| MESAFAST | CA | Machine Screw | Steel | Black Oxide | #10-32 x 7/8 | phil pan black oxide | 1,148.0 |
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| MESAFAST | CA | Machine Screw | Steel | Black Oxide | #10-32 x 7/8 | phil truss black oxide | 3,598.0 |
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| MESAFAST | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1 1/4 | indented hex 18-8 s/s | 630.0 |
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| MESAFAST | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 3/8 | phil pan 18-8 s/s w/nylon patch | 300.0 |
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| MESAFAST | CA | Machine Screw | Steel | Zinc/Clear | #10-32 x 2 1/4 | phil flat | 185.0 |
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| MESAFAST | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #8-32 x 5/8 | phil pan 18-8 s/s 18-8 s/s | 770.0 |
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| MESAFAST | CA | Machine Screw | Steel | Zinc/Black | #10-32 x 5/8 | phil pan black black | 977.0 |
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| MESAFAST | CA | Machine Screw | Steel | Black Oxide | #10-24 x 3 | phil pan black oxide | 1,000.0 |
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| MESAFAST | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M6-1.00 x 20 | m6-1.00 x 20mm 6-lobe flat head machine screw a2 stainless a2 stainless | 1,200.0 |
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| MESAFAST | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 1/2 | 10-32 x 1/2 phil pan head captive panel mach screw 18-8 ss panel mach screw 18-8 ss | 112,430.0 |
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| MESAFAST | CA | Machine Screw | Steel | Zinc/Clear | #8-32 x 1/2 | 8-32 x 1/2 phil flat machine screw steel zinc steel zinc | 380.0 |
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| MESAFAST | CA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 3/4 | 1/4-20 x 3/4 phil flat undercut machine screw steel zinc steel zinc | 1,250.0 |
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| MESAFAST | CA | Machine Screw | Steel | Zinc/Clear | #12-24 x 2 1/2 | 12-24 x 2-1/2 phil flat machine screw steel zinc steel zinc | 700.0 |
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| MESAFAST | CA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 2 1/4 | 1/4-20 x 2-1/4 phil pan machine screw steel zinc steel zinc | 3,354.0 |
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| MESAFAST | CA | Machine Screw | Steel | Black Oxide | #6-32 x 2 | 6-32 x 2 slotted hwh machine screw steel black ox steel black ox | 111.0 |
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| Cal Fastenrs | CA | Machine Screw | Steel | Nickel Plated | #10-32 x 5/8 | phillips truss | 3,000 |
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| Cal Fastenrs | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 3/8 | 4-40 x 3/8 phil flat m/s 100 degree stainless phillips flat ms | phillips flat ms | phillips flat ms | 5,000 |
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| Cal Fastenrs | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 3/8 | 8-32 x 3/8 phil pan hd m/s stainless w/nylok patch blue commercial patch | blue commercial patch | blue commercial patch | 5,000 |
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| Cal Fastenrs | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 1/4 | phil flat m/s -undercut- 18-8 304 | 1,025 |
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| Cal Fastenrs | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-40 x 11/16 | 4-40x11/16 phillips pan m/s-18-8 304-phil pan | 200 |
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| Cal Fastenrs | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M4-0.70 x 10 | phil pan m/s 18-8 304 din 7985a | 2,500 |
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| MESAFAST | CA | Machine Screw | 316, 317, A4 Stainless | Plain | 1/4-20 x 2 | phil flat 316 stainless | 9.0 |
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| MESAFAST | CA | Machine Screw | Steel | Zinc/Clear | 1/4-20 x 2 1/4 | 1/4-20 x 2-1/4 phil flat machine screw steel zinc steel zinc | 2.0 |
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| MetricThrd | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | M4 x 5 | m4 x 5 jis b 1111 s.s / blk ox phil truss hd m/s | stock |
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| MetricThrd | CA | Machine Screw | Class 4.8 | Zinc/Clear | M2.5 x 8 | m2.5 x 8 iso 7045 cl 4.8 zn phil pan m/s w/ext sems | stock |
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| MetricThrd | CA | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M8 x 90 | m8 x 90 iso 14581p-s.s a2-70 tamperproof five-lobe flat hd screws tx5-45 | stock |
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| Purchase | MO | Machine Screw | Brass | Plain | #4-40 x 1/4 | 4-40 x 1/4 slotted flat m/s brs pl | 28808 |
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| Bryce Fastener | AZ | Machine Screw | Steel | Plain | 5/16-24 x 1 1/2 | 5/16-24x1 1/2 bh hex-pi m/s n/ | 1,100 |
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| Bryce Fastener | AZ | Machine Screw | Steel | Plain | #6-32 x 3/16 | 6-32x3/16 fh{100 deg #4 unders | 1,530 |
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| Bryce Fastener | AZ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M4 x 5 | m4x5 bh hex-pn m/s ss 1/8 h | 5.65 |
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| Bryce Fastener | AZ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M4 x 5 | m4x5 bh hex-pn m/s ss 1/8 h | 0.55 |
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| Bryce Fastener | AZ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M4 x 6 | m4x6 bh hex-pn m/s ss | 0.197 |
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| Bryce Fastener | AZ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M4 x 10 | m4x10 bh hex-pn m/s ss | 90 |
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| Bryce Fastener | AZ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M4 x 12 | m4x12 bh hex-pn m/s ss 5/32 | 5.52 |
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| Bryce Fastener | AZ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M2 x 4.5 | m2x4.5 100 deg fh penta-pl ss | 1,777 |
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| Bryce Fastener | AZ | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M8 x 25 | m8x25 bh zero drive m/s ss | 22.2 |
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| FACCA | Ont | Machine Screw | Brass | Plain | 8-32 x 1 | unc round slot | 2500 |
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| FACCA | Ont | Machine Screw | Aluminum | Plain | 10-24 x 1 1/4 | unc truss slot | 2100 |
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| FACCA | Ont | Machine Screw | Brass | Plain | 1/4-20 x 2 | unc pan phil | 100 |
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| FACCA | Ont | Machine Screw | Steel | Zinc/Clear | 2-56 x 1 1/4 | pan phil with patch | 15000 |
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| FACCA | Ont | Machine Screw | Steel | Plain | 1/4-20 x 3/8 | unc fillister phil | 2100 |
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| FACCA | Ont | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-72 x 3/8 | unf flat slot | 9000 |
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| FACCA | Ont | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 2-56 x 15/16 | unc flat slot | 3000 |
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| FACCA | Ont | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 2-56 x 1/4 | unc flat slot | 12000 |
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| FACCA | Ont | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 2-56 x 7/16 | unc flat slot | 8000 |
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| FACCA | Ont | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 2-56 x 1/2 | unc flat slot | 6000 |
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| FACCA | Ont | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 8-32 x 1 | unc round phil | 3560 |
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| FACCA | Ont | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 4-40 x 1/2 | unc flat slot | 16000 |
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| FACCA | Ont | Machine Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 12-24 x 1 1/2 | unc binding slot | 1991 |
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