FCH News

Security Nuts, Plain

Tamper-Proof Security Nuts are usually used in applications where the head of the mating bolt or screw is not accessible. The nut is tightened with some unconventional or patented drive style that makes it tamper proof.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
ASMCILTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)SteelPlain5/8-11coarse security locknut low carb8
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AmericanNYTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)SteelPlain3/4-10one way lock nuts3000
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Alma BoltMITamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)SteelPlain1-14SAE thin pattern (#h 622t security locknuts298
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Alma BoltMITamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)Grade 8Plain5/8-11heavy security locknuts500
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METRO INDOHTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)Grade 5Plain3/8-16hex security locknut heavy uss200
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METRO INDOHTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)Grade 8Plain1 1/2-6hex security locknut heavy USS gr 825
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METRO INDOHTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)Grade 8Plain1 1/8-7hex security locknut heavy USS gr 87
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METRO INDOHTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)Grade 8Plain1/2-13hex security locknut heavy USS gr 820
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METRO INDOHTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)Grade 8Plain1 3/4-5hex security locknut heavy USS gr 86
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METRO INDOHTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)Grade 8Plain3/4-10hex security locknut heavy USS gr 815
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METRO INDOHTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)Grade 8Plain7/8-9hex security locknut heavy USS gr 842
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MidStatesMITamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)SteelPlainwhittet higgins spanner wrench1
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HodellOHTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)SteelPlain1/4-20 tamperproof break away nut900
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WDMBIATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)SteelPlain8nut penta tpr (a4) m8 (W010) (W010) (W010)231
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WDMBIATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)SteelPlain6nut penta tpr (a4) m6 (W010) (W010) (W010)397
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Bryce FastenerAZTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 1/23/8-16x2-1/2 bh penta nut 37 drive ms ss27
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Bryce FastenerAZTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#2-562/56 key-rex nut ss m/s x29{x29-11bd}45
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Bryce FastenerAZTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 key-rex nuts ss{0gt4-62fe78
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Bryce FastenerAZTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-404/40 key-rex nut ss m/s x29{x29-11bd}12
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Bryce FastenerAZTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-328/32 penta-nut ss6
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Bryce FastenerAZTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-263/8-26 fine th keyrex nuts ss8
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Bryce FastenerAZTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM9m9 keyrex nut ss{ogt4-62fe}10
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EFCMOTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)SteelPlainnut spanner m6 30.5 ovl dia ecoat/black itw cip 2004912000
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4 x 1 1/4torx-pin brl nutssinquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4 x 5/8torx-pin b-nut scinquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4 x 5/8torx-pin b-nut ssinquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4 x 3/4torx-pin b-nut ssinquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 tork-nut ssinquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 tork-nut ss domesticinquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24p-series nut ssinquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/83/8 ultra-lok s7 nut toolinquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-81-8 slot-lok nut ssinquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 3/8tp b-nut .250 o.d.inquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 5/8torx-pin b-nutinquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-2410-24 slot-lok nut ssinquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-2410-24 tork-nutinquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24t-slope nutinquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-3210-32 slot-lok nut ssinquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32tork nut aluminuminquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/81-1/8 slot-lok nut driverinquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 slot-lok nut b-7inquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13p-series nut ssinquire
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UltraFastWATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13t-groove nut 316 ssinquire
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EurolinkSCTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)SteelPlainM38-1.50m38 - 1.5 din 1804w slotted round spanner nut slotted round spanner nut24
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EurolinkSCTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)SteelPlainM65-1.50m65 - 1.5 din 1804-w (unhardened) slotted round spanner nut slotted round spanner nut100
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BHAMALTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)SteelPlain1/4-20nut tri groove64
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AIHAZTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)SteelPlain1 3/8 x 2 1/81-3/8 x 2-1/8 nut round spanner MS27955-1590
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ASFCORPMITamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)SteelPlain5/16-185/16-18 and 3/8-16 nutsetter no 30 tamperpruf 3/8 in sq drive tool steel30
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THRDFASTALTamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)SteelPlain10-24x1/2 barrel nut tamper resistant68
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FMPMATamper-Proof Security Nut (Tri-Groove, Penta-Nut, Slot-Lok, etc.)BrassPlain3/4-20spanner nut with slots(1 x 3/16)64
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