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Machine Screws
Machine Screws - Tamper Proof Security Screws are an important part of the Tamper Proof Security Screws category within Warehouse Supplies > Fasteners & Hardware > Screws > Tamper Proof Security Screws > Machine Screws. National Supply Network offers professional-grade machine screws for contractors, maintenance teams, warehouses, and industrial operations.
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42090 10-24 x 1-1/2"" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 SS - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215592
Manufacturer Part ID: 42090
Price:
$63.14
42165 10-32 x 2"" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 Stainless Steel - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215585
Manufacturer Part ID: 42165
Price:
$85.21
42190 12-24 x 1"" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 Stainless Steel - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215587
Manufacturer Part ID: 42190
Price:
$74.17
42210 12-24 x 1-1/2"" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 SS - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215588
Manufacturer Part ID: 42210
Price:
$74.05
42240 1/4-20 x 5/8"" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 SS - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215670
Manufacturer Part ID: 42240
Price:
$64.30
42250 1/4-20 x 3/4"" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 SS - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216497
Manufacturer Part ID: 42250
Price:
$76.18
42285 1/4-20 x 1-3/4"" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 SS - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215746
Manufacturer Part ID: 42285
Price:
$86.73
42290 1/4-20 x 2"" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 Stainless Steel - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216084
Manufacturer Part ID: 42290
Price:
$85.75
42300*****##* 5/16-18 x 1/2"" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 SS - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215668
Manufacturer Part ID: 42300*****##*
Price:
$78.19
42320 5/16-18 x 3/4"" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 SS - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215511
Manufacturer Part ID: 42320
Price:
$86.73
42330 5/16-18 x 1"" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 SS - FT - UNC - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215584
Manufacturer Part ID: 42330
Price:
$94.53
5.10334TS 10-32 x 3/4"" One-Way Security Machine Screw - Truss Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co., Inc.
Item Number:
B2183797
Manufacturer Part ID: 5.10334TS
Price:
$39.15
5.10338TS 10-32 x 3/8"" One-Way Security Machine Screw - Truss Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co., Inc.
Item Number:
B2183796
Manufacturer Part ID: 5.10338TS
Price:
$39.93
5.142114RS 1/4-20 x 1-1/4"" One-Way Security Machine Screw - Round Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co., Inc.
Item Number:
B2183714
Manufacturer Part ID: 5.142114RS
Price:
$43.08
5.516112RS 5/16-18 x 1-1/2"" One-Way Security Machine Screw - Round Head - 18-8 Stainless Steel - Pkg of 50
Manufacturer:
Tamperproof Screw Co., Inc.
Item Number:
B2184594
Manufacturer Part ID: 5.516112RS
Price:
$57.12
5.5162RS 5/16-18 x 2"" One-Way Security Machine Screw - Round Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co., Inc.
Item Number:
B2184567
Manufacturer Part ID: 5.5162RS
Price:
$140.37
5.63234RS 6-32 x 3/4"" One-Way Security Machine Screw - Round Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co., Inc.
Item Number:
B2184344
Manufacturer Part ID: 5.63234RS
Price:
$16.05
5.8321OS 8-32 x 1"" One-Way Security Machine Screw - Oval Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co., Inc.
Item Number:
B2184666
Manufacturer Part ID: 5.8321OS
Price:
$45.09
6-32 x 1" Security Machine Screw - Button Hex Socket Head - 302HQ/18-8 Stainless Steel - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216425
Manufacturer Part ID: 21850
Price:
$39.07
6-32 x 1-1/2" Security Machine Screw - Button Hex Socket Head - 302HQ/18-8 SS - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216432
Manufacturer Part ID: 21870
Price:
$42.08
6-32 x 1-1/2" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 SS - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216501
Manufacturer Part ID: 41830
Price:
$42.08
6-32 x 1/2" One-Way Security Machine Screw - Oval Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184461
Manufacturer Part ID: 5.63212OS
Price:
$16.05
6-32 x 1/2" One-Way Security Machine Screw - Round Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184432
Manufacturer Part ID: 5.63212RS
Price:
$16.05
6-32 x 1/4" Tamper-Proof Security Machine Screw - Flat Phillips Head - 18-8 Stainless Steel - 100 Pk
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184320
Manufacturer Part ID: 2.63214FS
Price:
$28.04
6-32 x 3/16" One-Way Security Machine Screw - Round Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184433
Manufacturer Part ID: 5.632316RS
Price:
$16.05
6-32 x 3/4" One-Way Security Machine Screw - Oval Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184460
Manufacturer Part ID: 5.63234OS
Price:
$16.05
6-32 x 3/8" One-Way Security Machine Screw - Round Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184343
Manufacturer Part ID: 5.63238RS
Price:
$16.05
6-32 x 3/8" Security Machine Screw - Flat Torx Head - 302HQ Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216454
Manufacturer Part ID: 91490
Price:
$37.06
6-32 x 3/8" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215412
Manufacturer Part ID: 141409
Price:
$17.71
6-32 x 3/8" Tamper-Proof Security Machine Screw - Button Torx Head - 18-8 Stainless Steel - 100 Pk
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2183974
Manufacturer Part ID: 4.63238BS
Price:
$36.08
6-32 x 3/8" Tamper-Proof Security Machine Screw - Flat Torx Head - 18-8 Stainless Steel - 100 Pk
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184323
Manufacturer Part ID: 4.63238FS
Price:
$34.05
75006 5/16-18 x 3/4"" Security Machine Screw - Button Torx Head - Steel - Black Oxide - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216301
Manufacturer Part ID: 75006
Price:
$65.28
75010 5/16-18 x 1"" Security Machine Screw - Button Torx Head - Alloy Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216232
Manufacturer Part ID: 75010
Price:
$66.25
75026 5/16-18 x 1-3/4"" Security Machine Screw - Button Torx Head - Alloy Steel - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216241
Manufacturer Part ID: 75026
Price:
$91.23
75104 5/16-18 x 5/8"" Security Machine Screw - Button Torx Head - 302HQ Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216298
Manufacturer Part ID: 75104
Price:
$91.60
75114 5/16-18 x 1-1/4"" Security Machine Screw - Button Torx Head - 302HQ Stainless Steel - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216318
Manufacturer Part ID: 75114
Price:
$74.05
75126 5/16-18 x 2"" Security Machine Screw - Button Torx Head - 302HQ Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216470
Manufacturer Part ID: 75126
Price:
$100.25
75202 3/8-16 x 1/2"" Security Machine Screw - Button Torx Head - Alloy Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216310
Manufacturer Part ID: 75202
Price:
$76.98
75204 3/8-16 x 5/8"" Security Machine Screw - Button Torx Head - Alloy Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216460
Manufacturer Part ID: 75204
Price:
$80.88
75210 3/8-16 x 1"" Security Machine Screw - Button Torx Head- Alloy- FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216239
Manufacturer Part ID: 75210
Price:
$93.55
75214 3/8-16 x 1-1/4"" Security Machine Screw - Button Torx Head - Alloy Steel - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216478
Manufacturer Part ID: 75214
Price:
$97.45
75218 3/8-16 x 1-1/2"" Security Machine Screw - Button Torx Head - Alloy Steel - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216222
Manufacturer Part ID: 75218
Price:
$100.25
75402 3/8-16 x 1/2"" Security Machine Screw - Button Torx Head - 302HQ Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216309
Manufacturer Part ID: 75402
Price:
$110.28
75406 3/8-16 x 3/4"" Security Machine Screw - Button Torx Head - 302HQ Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216203
Manufacturer Part ID: 75406
Price:
$126.70
75410 3/8-16 x 1"" Security Machine Screw - Button Torx Head - 18-8 Stainless Steel - T-45- 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216476
Manufacturer Part ID: 75410
Price:
$136.45
75426 3/8-16 x 2"" Security Machine Screw - Button Torx Head - 302HQ Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216392
Manufacturer Part ID: 75426
Price:
$185.20
8-32 x 1" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215281
Manufacturer Part ID: 141460
Price:
$36.06
8-32 x 1" Tamper-Proof Security Machine Screw - Flat Phillips Head - 18-8 Stainless Steel - 100 Pk
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184427
Manufacturer Part ID: 2.8321FS
Price:
$62.14
8-32 x 1-1/2" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 SS - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216500
Manufacturer Part ID: 41920
Price:
$48.10
8-32 x 1-1/2" Security Machine Screw - Flat Phillips Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184429
Manufacturer Part ID: 2.832112FS
Price:
$70.16
8-32 x 1-1/2" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215100
Manufacturer Part ID: 141470
Price:
$39.07
8-32 x 1/2" One-Way Security Machine Screw - Oval Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184698
Manufacturer Part ID: 5.83212OS
Price:
$16.05
8-32 x 1/2" Tamper-Proof Security Machine Screw - Button Torx Head - 18-8 Stainless Steel - 100 Pk
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184332
Manufacturer Part ID: 4.83212BS
Price:
$36.06
8-32 x 1/2" Tamper-Proof Security Machine Screw - Flat Phillips Head - 18-8 Stainless Steel - 100 Pk
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184561
Manufacturer Part ID: 2.83212FS
Price:
$62.14
8-32 x 1/4" One-Way Security Machine Screw - Round Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184563
Manufacturer Part ID: 5.83214RS
Price:
$36.06
8-32 x 1/4" Security Machine Screw - Button Hex Socket Head - 302HQ/18-8 SS - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216182
Manufacturer Part ID: 21970
Price:
$38.07
8-32 x 1/4" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215382
Manufacturer Part ID: 141433
Price:
$21.26
8-32 x 1/4" Tamper-Proof Security Machine Screw - Button Torx Head - 18-8 Stainless Steel - 100 Pk
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184331
Manufacturer Part ID: 4.83214BS
Price:
$34.05
8-32 x 3/4" One-Way Security Machine Screw - Oval Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184697
Manufacturer Part ID: 5.83234OS
Price:
$36.06
8-32 x 3/4" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 Stainless Steel - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215491
Manufacturer Part ID: 41890
Price:
$42.08
8-32 x 3/4" Tamper-Proof Security Machine Screw - Flat Phillips Head - 18-8 Stainless Steel - 100 Pk
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184529
Manufacturer Part ID: 2.83234FS
Price:
$62.14
8-32 x 3/8" Security Machine Screw - Button Hex Socket Head - 302HQ/18-8 SS - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216437
Manufacturer Part ID: 21980
Price:
$41.39
8-32 x 3/8" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215411
Manufacturer Part ID: 141435
Price:
$18.05
80995 6-32 x 1/4"" Security Machine Screw - Button Torx Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215687
Manufacturer Part ID: 80995
Price:
$39.07
81020 6-32 x 3/4"" Security Machine Screw - Button Torx Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215685
Manufacturer Part ID: 81020
Price:
$41.88
81048 8-32 x 1/4"" Security Machine Screw - Button Torx Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215686
Manufacturer Part ID: 81048
Price:
$41.08
81050 8-32 x 3/8"" Security Machine Screw - Button Torx Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215607
Manufacturer Part ID: 81050
Price:
$41.88
81060 8-32 x 1/2"" Security Machine Screw - Button Torx Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215448
Manufacturer Part ID: 81060
Price:
$43.08
81065 8-32 x 5/8"" Security Machine Screw - Button Torx Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215605
Manufacturer Part ID: 81065
Price:
$43.08
81070 8-32 x 3/4"" Security Machine Screw - Button Torx Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215684
Manufacturer Part ID: 81070
Price:
$43.08
81080 8-32 x 1"" Security Machine Screw - Button Torx Head - Alloy Steel - Black Oxide - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215515
Manufacturer Part ID: 81080
Price:
$47.09
81105 8-32 x 2"" Security Machine Screw - Button Torx Head - Alloy Steel - Black Oxide - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215514
Manufacturer Part ID: 81105
Price:
$50.65
Products
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420
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