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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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1/4-20 x 1" One-Way Security Machine Screw - Oval Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2183801
Manufacturer Part ID: 5.1421OS
Price:
$50.95
1/4-20 x 1" Security Machine Screw - Button Hex Socket Head - 302HQ/18-8 SS - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216358
Manufacturer Part ID: 22270
Price:
$63.14
1/4-20 x 1" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215410
Manufacturer Part ID: 141540
Price:
$52.11
1/4-20 x 1-1/2" One-Way Security Machine Screw - Oval Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2183802
Manufacturer Part ID: 5.142112OS
Price:
$50.10
1/4-20 x 1-1/4" Security Machine Screw - Button Hex Socket Head - 302HQ/18-8 SS - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216270
Manufacturer Part ID: 22280
Price:
$67.15
1/4-20 x 1-1/4" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 SS - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215508
Manufacturer Part ID: 42270
Price:
$67.15
1/4-20 x 1-1/4" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215279
Manufacturer Part ID: 141545
Price:
$52.11
1/4-20 x 2" One-Way Security Machine Screw - Round Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2184109
Manufacturer Part ID: 5.1422RS
Price:
$59.13
1/4-20 x 2" Security Machine Screw - Flat Torx Head - 302HQ Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216374
Manufacturer Part ID: 91745
Price:
$71.17
1/4-20 x 2" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215409
Manufacturer Part ID: 141560
Price:
$65.15
1/4-20 x 3/4" Security Machine Screw - Flat Torx Head - 302HQ Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216449
Manufacturer Part ID: 91720
Price:
$59.13
1/4-20 x 3/8" Security Machine Screw - Flat Torx Head - 302HQ Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216451
Manufacturer Part ID: 91690
Price:
$52.11
10-24 x 1" Security Machine Screw - Oval One-Way Head - Steel - Zinc - FT - UNC - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215173
Manufacturer Part ID: 161100
Price:
$13.29
10-24 x 1-1/2" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215267
Manufacturer Part ID: 141503
Price:
$42.08
10-24 x 1-1/4" Security Machine Screw - Flat Torx Head - 302HQ Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216370
Manufacturer Part ID: 91620
Price:
$50.10
10-24 x 1/2" Security Machine Screw - Oval One-Way Head - Steel - Zinc - FT - UNC - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215154
Manufacturer Part ID: 161080
Price:
$11.54
10-24 x 1/2" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215408
Manufacturer Part ID: 141480
Price:
$32.05
10-24 x 3/4" Security Machine Screw - Oval One-Way Head - Steel - Zinc - FT - UNC - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215153
Manufacturer Part ID: 161090
Price:
$12.54
10-24 x 3/4" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215424
Manufacturer Part ID: 141490
Price:
$23.58
10-32 x 1" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 Stainless Steel - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215583
Manufacturer Part ID: 42140
Price:
$52.11
10-32 x 1" Security Machine Screw - Flat Torx Head - 302HQ Stainless Steel - FT - UNF - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216210
Manufacturer Part ID: 91645
Price:
$49.10
10-32 x 1-1/2" Security Machine Screw - Button Torx Head - 18-8 Stainless Steel - 100 Pk
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2183508
Manufacturer Part ID: 4.103112BS
Price:
$57.12
10-32 x 1-1/2" Security Machine Screw - Flat Torx Head - 302HQ Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216371
Manufacturer Part ID: 91655
Price:
$56.12
10-32 x 1-1/2" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215266
Manufacturer Part ID: 141517
Price:
$44.08
10-32 x 1-1/4" Security Machine Screw - Flat Torx Head - 302HQ Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216369
Manufacturer Part ID: 91650
Price:
$51.11
10-32 x 1-1/4" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215264
Manufacturer Part ID: 141516
Price:
$42.08
10-32 x 1/2" One-Way Security Machine Screw - Oval Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2183895
Manufacturer Part ID: 5.10312OS
Price:
$37.06
10-32 x 1/2" Security Machine Screw - Flat Phillips Head - 18-8 Stainless Steel - 100 Pk
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2183771
Manufacturer Part ID: 2.10312FS
Price:
$50.10
10-32 x 1/2" Security Machine Screw - Flat Torx Head - 302HQ Stainless Steel - FT - UNF - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216296
Manufacturer Part ID: 91635
Price:
$44.08
10-32 x 1/2" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - UNF - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215427
Manufacturer Part ID: 141512
Price:
$38.20
10-32 x 1/4" Security Machine Screw - Button Hex Socket Head - 302HQ/18-8 SS - FT - UNF - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2216277
Manufacturer Part ID: 22140
Price:
$41.08
10-32 x 1/4" Security Machine Screw - Flat Hex Socket Head - 302HQ/18-8 SS - FT - UNF - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215507
Manufacturer Part ID: 42099
Price:
$41.08
10-32 x 3/4" One-Way Security Machine Screw - Oval Head - 18-8 Stainless Steel - Pkg of 100
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2183894
Manufacturer Part ID: 5.10334OS
Price:
$38.07
10-32 x 3/4" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - UNF - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215423
Manufacturer Part ID: 141514
Price:
$26.71
10-32 x 3/8" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - UNF - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215104
Manufacturer Part ID: 141509
Price:
$32.05
10-32 x 3/8" Tamper-Proof Security Machine Screw - Button Torx Head - 18-8 Stainless Steel - 100 Pk
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2183510
Manufacturer Part ID: 4.10338BS
Price:
$32.05
10-32 x 5/8" Tamper-Proof Security Machine Screw - Button Torx Head - 18-8 Stainless Steel - 100 Pk
Manufacturer:
Tamperproof Screw Co. Inc.
Item Number:
B2183497
Manufacturer Part ID: 4.10358BS
Price:
$32.05
140984 4-40 x 1/4"" Security Machine Screw - Round One-Way Head - Steel - Zinc - FT - UNC - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2214889
Manufacturer Part ID: 140984
Price:
$7.22
141130 8-32 x 1-1/2"" Security Machine Screw - Round One-Way Head - Steel - Zinc - FT - UNC - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215194
Manufacturer Part ID: 141130
Price:
$20.82
141170 10-24 x 1-1/2"" Security Machine Screw - Round One-Way Head - Steel - Zinc - FT - UNC - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215313
Manufacturer Part ID: 141170
Price:
$21.82
141185 10-32 x 3/8"" Security Machine Screw - Round One-Way Head - Steel - Zinc - FT - UNF - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215146
Manufacturer Part ID: 141185
Price:
$16.05
141190 10-32 x 1/2"" Security Machine Screw - Round One-Way Head - Steel - Zinc - FT - UNF - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2214901
Manufacturer Part ID: 141190
Price:
$14.04
141310 1/4-20 x 1-1/2"" Security Machine Screw - Round One-Way Head - Steel - Zinc - FT - UNC - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215328
Manufacturer Part ID: 141310
Price:
$46.09
141360 5/16-18 x 3/4"" Security Machine Screw - Round One-Way Head - Steel - Zinc - FT - UNC - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215332
Manufacturer Part ID: 141360
Price:
$54.11
141400 5/16-18 x 2-1/2"" Security Machine Screw - Truss One-Way Head - Steel - Zinc - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2214893
Manufacturer Part ID: 141400
Price:
$66.15
141402 5/16-18 x 3"" Security Machine Screw - Round One-Way Head - Steel - Zinc - FT - UNC - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215140
Manufacturer Part ID: 141402
Price:
$71.17
141404 4-40 x 1/2"" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215385
Manufacturer Part ID: 141404
Price:
$18.56
141410*****##* 6-32 x 1/2"" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215384
Manufacturer Part ID: 141410*****##*
Price:
$16.56
141513 10-32 x 5/8"" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - UNF - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215103
Manufacturer Part ID: 141513
Price:
$46.09
141530 1/4-20 x 3/4"" Security Machine Screw - Round One-Way Head - 18-8 Stainless Steel - FT - UNC - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215102
Manufacturer Part ID: 141530
Price:
$55.12
181140 8-32 x 3/4"" Security Machine Screw - Button Torx Plus Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215768
Manufacturer Part ID: 181140
Price:
$45.09
181300 10-24 x 1-1/4"" Security Machine Screw - Button Torx Plus Head - Alloy Steel - Black Oxide - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215778
Manufacturer Part ID: 181300
Price:
$47.09
181320 10-24 x 1-1/2"" Security Machine Screw - Button Torx Plus Head - Alloy Steel - Black Oxide - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215780
Manufacturer Part ID: 181320
Price:
$50.10
181360 10-32 x 1/2"" Security Machine Screw - Button Torx Plus Head - Alloy Steel - Black Oxide - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215460
Manufacturer Part ID: 181360
Price:
$46.09
181520 1/4-20 x 3/4"" Security Machine Screw - Button Torx Plus Head - Alloy Steel - Black Oxide - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215788
Manufacturer Part ID: 181520
Price:
$54.11
181560 1/4-20 x 1-1/4"" Security Machine Screw - Button Torx Plus Head - Alloy Steel - Black Oxide - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215773
Manufacturer Part ID: 181560
Price:
$58.45
182780 #10 x 1/2"" Security Machine Screw - Flat Torx Plus Head - Steel - Black Oxide - FT - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2214873
Manufacturer Part ID: 182780
Price:
$45.09
183040 6-32 x 1"" Security Machine Screw - Flat Torx Plus Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215765
Manufacturer Part ID: 183040
Price:
$43.08
183180 10-24 x 3/8"" Security Machine Screw - Flat Torx Plus Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215831
Manufacturer Part ID: 183180
Price:
$48.10
183220 10-24 x 3/4"" Security Machine Screw - Flat Torx Plus Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215839
Manufacturer Part ID: 183220
Price:
$48.10
183260 10-24 x 1-1/4"" Security Machine Screw - Flat Torx Plus Head - Alloy Steel - Black Oxide - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215761
Manufacturer Part ID: 183260
Price:
$49.68
183280 10-24 x 1-1/2"" Security Machine Screw - Flat Torx Plus Head - Alloy Steel - Black Oxide - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215763
Manufacturer Part ID: 183280
Price:
$53.11
183320 10-32 x 1/2"" Security Machine Screw - Flat Torx Plus Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215841
Manufacturer Part ID: 183320
Price:
$45.78
183360 10-32 x 1"" Security Machine Screw - Flat Torx Plus Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215760
Manufacturer Part ID: 183360
Price:
$54.11
183380 10-32 x 1-1/2"" Security Machine Screw - Flat Torx Plus Head - Alloy Steel - Black Oxide - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215762
Manufacturer Part ID: 183380
Price:
$52.11
183420 12-24 x 1/2"" Security Machine Screw - Flat Torx Plus Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215838
Manufacturer Part ID: 183420
Price:
$53.11
183440 12-24 x 3/4"" Security Machine Screw - Flat Torx Plus Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215832
Manufacturer Part ID: 183440
Price:
$53.58
183480 1/4-20 x 3/8"" Security Machine Screw - Flat Torx Plus Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215819
Manufacturer Part ID: 183480
Price:
$54.11
183500 1/4-20 x 1/2"" Security Machine Screw - Flat Torx Plus Head - Alloy Steel - Black Oxide - FT - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215829
Manufacturer Part ID: 183500
Price:
$53.11
183600 1/4-20 x 1-1/2"" Security Machine Screw - Flat Torx Plus Head - Alloy Steel - Black Oxide - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215871
Manufacturer Part ID: 183600
Price:
$60.13
184760 #8 x 1"" Security Machine Screw - Flat Torx Plus Head - Steel - Black Oxide - FT - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215810
Manufacturer Part ID: 184760
Price:
$47.73
184810 #8 x 2"" Security Machine Screw - Flat Torx Plus Head - Steel - Black Oxide - FT - USA - 100 Pk
Manufacturer:
TAMPER-PRUF SCREWS INC
Item Number:
B2215809
Manufacturer Part ID: 184810
Price:
$51.11
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