Bryce Fastener Co., Inc. - Gilbert, AZ
Manufacturer, Custom Manufacturer
Custom manufacturer of secure fasteners including tamper-proof nuts. Bits, sockets, washers, bolts, keyways and screws are also available. Made in USA.
Brand Names: Bryce
www.brycefastener.com/security/theft-proof-...

Tamperproof Screw Co. - Hicksville, NY
Distributor, Manufacturer
Manufacturer & distributor of tamper-proof or tamper resistant screws, nut, bolts & fasteners. Types of screws include cap, machine, sheet metal, security, one way slotted, socket pin head & self-drilling screws. Screws are available in various head styles including pan, flat, truss, button, sheet metal, metric, oval, machine MS & self-drilling. One way sex bolts, spanner & breakaway nuts, insert & screwdriver bits & tool kits are also available. ISO 9001:2000 certified.
www.tamperproof.com/categories/breakaway-nu...

Loss Prevention Fasteners - Blaine, WA
Distributor
Distributor of standard and custom tamper-proof nuts. Available in stainless, zinc, aluminum and zinc alloy plated materials. Applications include commercial, industrial and residential.
Brand Names: Penta, Pentagon, S-Groove, Sheer-Away, Slot-Lok, Spanner, T-Groove, T-Slope
www.losspreventionfasteners.com/tamperproof...

Associated Fastening Products, Inc. - Elk Grove Village, IL
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2008 certified domestic manufacturer & distributor of nuts including T or tee nuts, tamper-proof nuts, threaded nuts & weld nuts. Materials include steel, stainless steel, brass, nickel, zinc & galvanized. Capabilities include cold headed fabrication, multi-spindle screw machining, CNC, laser & waterjet cutting, welding, fabrication, assembly & prototyping. Services include bin stocking & inventory management systems. Made in the USA.
www.associatedfastening.com/pg2a.htm

MSC Industrial Supply Co. - Melville, NY
Distributor, Custom Manufacturer
Supplier of 450,000 products from 2,500 mfrs.: cutting/machine/hand/power tools, MRO supplies, abrasives, fasteners, precision instruments, machinery, electrical supplies, safety equipment, HVAC, welding, hose, tubing, fittings, material handling, pumps, power transmission, janitorial; same day shipping
www.mscdirect.com

National Bolt & Nut Corp. - Bloomingdale, IL
Distributor, Manufacturer, Custom Manufacturer, Service Company
Woman-owned ISO 9001:2008 certified manufacturer of tamper-proof nuts in standard & custom sizes. Types of nuts include coupling, flange, hex, lock, slotted, square & wheel nuts. Materials include all grades of steel, stainless steel, brass, silicon bronze, nickel alloys & non-ferrous & exotic metals. Nuts are suitable for agricultural, automotive, truck, heavy equipment, mining & railroad applications.
nationalbolt.rtrk.com/?scid=2007704&rl_alt=...

Tamper-Proof Nuts Capabilities
	Custom Bolts/Fasteners Custom Nuts & Washers

MW Industries - Rosemont, IL
Manufacturer, Custom Manufacturer
ISO 9000, QS 9000 & TS 16949 certified manufacturer of nuts including tamper-proof & concrete tamper-proof nuts. Capabilities include metallurgy, CAD design, CAE analysis, fatigue testing & performance analysis. Markets served include agriculture, auto racing, automotive, aviation & aerospace, computers, medical equipment, electrical, energy, hand & power tools, off road machines, telecommunications, outdoor power equipment & transportation. JIT delivery available.
www.mw-ind.com

Chicago Nut & Bolt, Inc. - Bloomingdale, IL
Manufacturer, Custom Manufacturer
Manufacturer specializing in producing specialty non-standard tamper-proof nuts. Manufacturing per print, within 24 hours for emergencies & stocking a full range of odd sizes & lengths.
boltsrus.thomasnet-navigator.com/item/all-c...

California Metal & Supply, Inc. - Santa Fe Springs, CA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Boeing award winning supplier. ISO 9001:2000 & AS 9100:2009 certified distributor of high temperature alloy, tamper-proof & case hardened nuts. Types of nuts include carbon, stainless steel, steel alloy, super alloy, copper alloy, aluminum & titanium nuts. Copper alloys nuts are available in C51000, C66100, C61300, C11000, C61400, C64200, C71000, C71500, C27000, C630, C67500 & C46200 grades. Super alloy nuts include nitronic 50, nitronic 60, Monel® K500, Hastelloy® C276, Monel® R405, Monel® 400 & (335) Hastelloy® B grade nuts. Same day/next day shipping available.
www.californiametal.com/astm.htm

Production Materials, Inc. - Wheeling, IL
Distributor, Service Company
ISO 9001:2000 certified distributor of custom parts including anchors, bolts, bushings, clamps, dowels, fasteners, gaskets, inserts, nuts, o-rings, pins, rods, screws, springs, stampings, studs & washers. Capabilities include engineering, bar coding/labeling, blanket order warehousing, bin stocking, packaging & kitting. Value added services such as hardness testing, polishing, burnishing, plating, patching, drilling, cut downs, grinding & passivation are available. Plating capabilities include black oxide, black PTFE, black chromate, brass, cadmium, Dacromet®, head painting, hot dip galvanized, phosphate & oil, polyseal, zinc & zinc yellow. JIT delivery.
catalog.productionmaterials.com/item/all-ca...

Spirol International Corporation - Locations
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2000 compliant manufacturing of standard precision machined brass, aluminum & stainless steel nuts, heavy & finished hex nuts, hex jam nuts, hex machine screw nuts, panel, cap & thumb nuts.
www.spirol.com/company/products/prod_d.php?...

Nova Fasteners Co., Inc. - Amityville, NY
Distributor
Distributor of tamper-proof nuts. Types of nuts include heavy hex, lock prevailing torque, hex jam coarse & fine, finished & machine screw, flange serrated, regular & machine screw square, lock nylon insert, k lock, cap, tee, galvanized, coupling, wing, stamp & forge nuts. Nylon insert nuts are available in various sizes. Nuts are suitable for industrial & construction applications. Meets AN-MS-NAS standards. JIT delivery.
fasteners.nova-anchor.com/category/all-cate...

A-1 Alloys - San Diego, CA
Distributor, Manufacturer, Custom Manufacturer
Custom manufacturer of aluminum, brass, copper, stainless, hi-temp & exotic alloys, titanium, precious metals & plastics. All shapes & sizes, tubing, foil, wire mesh & grating available.
www.a1alloys.com

Wyandotte Industries, Inc. - Wyandotte, MI
Manufacturer, Custom Manufacturer
ISO 9001, ISO/TS 16949, AS 9100 and NADCAP certified manufacturer of standard & custom explosive nuts & tamper-proof nuts. Available in low, medium & alloy steels, stainless steel, aluminum, brass & bronze. Types of nuts include bearing, castle, coupling, flange, jam, nylon insert locknuts, shear, slotted, stake, spanner & wheel nuts. Nuts are available in round & hex shapes. Round shaped nuts range in ODs from 11/32 in. to 4-5/8 in. Hex shaped nuts are available in ODs from 11/32 in. to 4 in.
catalog.wyandotte.com/product/capabilities/...

Mil-Spec Fasteners Corp. - Hampstead, MD
Distributor
Distributor of fasteners including corrosion resistant, heat resistant & concrete tamper-proof nuts. Types of nuts include machine screw hex, machine screw square, regular square, castle, metal lock, tee, forged wing, hex finished, acorn, cap, weld, fiber lock, pallet, stamped wing, lock, clinch, Keps, press, wing & well nuts. Nuts are available in materials including carbon, alloy, stainless, brass, bronze, aluminum, nylon, copper & Monel®. Finishes include anodization & zinc plating. Metric fasteners also available.
milspecfastenerscorporation.thomasnet-navig...

Armour Screw Co. - Elk Grove Village, IL
Distributor, Manufacturer, Custom Manufacturer
Distributor of nuts including square, semi-finished, stove bolt, tamper-proof, thumb, thin, torque limiting, weld & wing nuts made of stainless steel. Other products include screws, rivets, washers, keys, terminals, sems, spring pins, bolts, inserts, studs, spacers & standoffs.
fasteners.armourscrew.com/item/all-categori...

Tamper-Proof Nuts Capabilities
	Nuts - Custom & Standard

Hi-Tech Fasteners, Inc. - Frederick, MD
Distributor, Custom Manufacturer
ISO 9001:2008 certified distributor of standard & custom nuts including corrosion resistant, heat resistant & tamper-proof nuts. Types of nuts include self-locking nuts, non-locking nuts, broaching nuts, self-locating projection weld nuts, captive floating retention nuts, rivet nuts, well nuts, jack nuts, SMT nuts, self-clinching nuts, self-clinching receptacle nuts, self-clinching floating receptacle nuts, Tri-Dent® self-clinching nuts & ultra-thin sheet self-clinching nuts. Available in aluminum, steel, stainless steel & ductile materials & in different metallic finishes. JIT delivery available.
hitechfasteners.thomasnet.com/category/nuts...

ASG, Division of Jergens, Inc. - Cleveland, OH
Distributor, Manufacturer, Service Company
Manufacturer of electric accessories including tamper-proof nuts.
www.asg-jergens.com/pdf/asg-assemcat-spring...

FM Stainless, LLC - Ellijay, GA
Distributor, Manufacturer, Custom Manufacturer
Custom manufacturer of corrosion resistant & tamper-proof nuts. Nuts are available in various metals & alloys including stainless steel.
www.fmstainless.com/cwrp.html

Guardway Corp. - Charlotte, NC
Distributor, Manufacturer, Custom Manufacturer
Manufacturer & distributor of U-channel post hardware including fluted tamper-proof nuts. U-channel post hardware also includes bolts, washers, rivets & guns. Stock items are also available.
guardway.thomasnet.com/item/post-brackets-h...

Tamper-Proof Nuts Products
	U-Channel Post Hardware

Rapid Rivet & Fastener Corp. - Farmingdale, NY
Distributor, Custom Manufacturer
ISO 9001:2000 & AS 9100:2004 certified distributor of nuts including explosive, military specification, nuclear & tamper-proof nuts such as rivet nuts. Available in lengths ranging from .594 in. to 1.141 in., thread sizes from 1/4-20 UNC to 4-40 UNC & dia. from .332 in. to .155 in. Rivet nuts are surface formed. Materials also include aircraft & commercial grade aluminum, stainless steel, copper, Monel®, Inconel®, titanium & Hastelloy®. Available in dia. ranging from 1/16 in. to 1/2 in. & lengths from 1/8 in. to 3 in.
Brand Names: Aerotech, Avdel Cherry Textron, Gesipa, Marson, Southco
www.rapidrivet.com/rivetnuts.htm

Security Fastener Co. - Benicia, CA
Manufacturer, Custom Manufacturer
Manufacturer of break-away tamper proof nuts in aluminum, steel & stainless steel; pyramidal nuts; sex bolts, binding posts; all types of tamper proof screws & their respective installation/removal tools.
www.securityfastener.com

Fran-Dan Bolt & Screw Corp. - Cambridge, MA
Distributor, Custom Manufacturer
Distributor of standard & custom fasteners including concrete tamper-proof nuts. Nuts are available in semi-finished & heavy styles. Types of nuts include acorn cap, barrel, coupling, flange, Flex Lock®, hex, machine screw, kep, nylon insert lock, oval lock, panel, pin lock, reversible, slip on lock, stover, square, tamperproof, tee, Tinnerman®, top lock, twin spin serrated lock, weld, wing & wire connectors. Nuts are available in materials including steel, brass, stainless steel & aluminum with steel zinc plated finish. Services include custom kitting, private labeling, bin stocking program & bar coding. Just in time delivery & same day shipping available.
www.frandanbolt.com

Alcoa Fastening Systems - AFS - Torrance, CA
Distributor, Manufacturer, Custom Manufacturer
Manufacturer, designer & distributor of tamper-proof nuts in standard & custom sizes. Types of nuts include wrenchable, hexagonal, double hexagonal, twelve spline, anchor, vibration-resistant, self-locking, self-sealing, self-aligning, clinch, stake, bearing, barrel & non-locking nuts. Nuts are suitable for aerospace & industrial applications.
catalog.alcoafasteners.com/category/nuts

Tamper-Proof Nuts Products
	KFN536 - 8 Spline Tamper Proof, Self-Sealing KFN604 - 8 Spline Tamper Proof, Shear KFN617 - 8 Spline Tamper Proof, Cres., Tension More

The Dyson Corporation - Painesville, OH
Manufacturer, Custom Manufacturer, Service Company
ISO 9000 certified manufacturer & custom manufacturer of nuts including forged & flange varieties. Also manufactures carbon, alloy, stainless & monel products in all specifications. Plain & hot dripped galvanized products available. Capacities range from 1 in. titanium jams with UNJ threads to 6 in. octagon nitronic pin nuts & metal locking nuts.
dyson.thomasnet.com/category/nuts