Self Locking Fasteners

Long-Lok Fasteners Corp offers: Tech-Lok, Poly-Lok, Omni-Lok, Long-Lok, and Dual-Lok fasteners in compliance with IFI 124, IFI 524, and MIL-DTL-18240. Tech-Lok fasteners are pellet-type, self-locking fasteners with a temperature range of -450°F to +500°F. Poly-Lok fasteners are patch-type prevailing torque, self-locking fasteners that have a temperature range from -100°F to 400°F. Omni-Lok fasteners are pin-type, self-locking fasteners that are able to withstand temperatures up to 1200°F. Long-Lok fasteners are strip-type, prevailing torque, self-locking fasteners that can withstand temperatures over 1200°F. Dual-Lok fasteners are dual locking surface, self-locking fasteners that have a temperature range of -450°F to +500°F. Other products offered by Long-Lok include: Tek-Lok, Omni-Lok, Dyna-Thread II, Dri-Loc, T-Sert, Self-Seal, Vibra-Seal, and Dyna-Nut.

Diamond Fasteners offers: NAS1190 self-locking screws, MS21093 self-locking screws, MS21090 self-locking screws, MS18064 self-locking set screws, and MS16997 socket head cap self-locking screws. Screws are made of a variety of materials, including: alloy steel, cadmium plating, carbon steel, FED-STD-66, UNC-3A, etc. The maximum diameter is 0.3750. Other products offered by Diamond Fasteners include: 6 lobe pan/flat self-tapping screws, hexweash serrated self-drilling screws, combination pan head self-tapping screws, etc.

Nylok LLC offers: Torq-Patch locknuts, NYTEMP high temperature self-locking/self-sealing fasteners, and Blue Nylon Torq-Patch self-locking/self-sealing fasteners. Torq-Patch locknuts have a temperature range from -70°F to 250°F, and are ideal for aerospace industries where weight is critical. NYTEMP fasteners offer torque and clamp load stability up to 450°F, are vibration resistant, and they meet NASA's low outgassing requirements. Blue Nylon fasteners can handle temperatures ranging from -70°F to 250°F, and have a radial coverage of 180° (std) or 360°. Blue Nylon pellets and Blue Nylon strips are also available from Nylok.

S.W. Anderson Co. offers: type PL & PLC, type CFN, metric type PL & PLC, and metric type CFN self locking fasteners. Fasteners have thread sizes ranging from #4 to 40, and sheet thicknesses up to 1.78 mm. Type PL & PLC fasteners (metric and standard) meet the applicable standards of NASM25027. Fasteners are made of heat-treated carbon steel, and 300 Series stainless steel materials.

Grainger Industrial Supply offers self-locking inserts in carbon steel and 303 stainless steel materials. The internal thread sizing ranges from 1/4 to 28, the external thread sizing ranges from 1/4 to 32, and maximum length offered is 64".

Research Engineering & Manufacturing, Inc. offers POWERLOK self-locking screws and bolts. These bolts and screws are made of 1022, 10B21, or 4037 steel hardened and tempered to the optimum combination of tensile strength and toughness. In terms of locking performance, these screws will meet or exceed IFI 124 or IFI 524 specifications for prevailing torque locking screws. POWERLOK screws do not lose their action or efficiency in high temperature environments. Being an all-metal locking fastener, POWERLOK screws can handle temperatures over 200°F and remain unaffected.

Assembly Fasteners, Inc. offers nylon insert self-locking fasteners. Types include: PL & PLC, and CFM in metric and unified sizes. Fasteners are made of steel, blue nylon, and stainless steel materials, and offered with either zinc, Type II Yellow, or passivated finishes. PL & PLC fasteners meet the applicable standards of NASM25027. The maximum fastener thread size is 0.190, and minimum sheet thicknesses are offered up to 1.1 mm.

American Fastener Technologies Corp. offers self-clinching studs and nuts. Studs have a nominal size range from 4 to 1/4, a maximum head diameter of 0.344, and a maximum unthreaded length of 135. Nuts have sizes ranging from 4-40-0 to 1/4-20-2, shank heights up to 0.087, and a minimum sheet thickness up to 0.091.

Marketing Masters, Inc. offers Torlon self-locking fasteners. Torlon fasteners are light, corrosion-resistant, scratch-resistant, able to withstand high torque loads, and can retain stiffness up to 500°F. Because of these properties, Marketing Masters Torlon fasteners are perfect for applications in the aerospace, electronic, transportation, process, and heavy metal industries.

Emhart Technologies offers: self-clinching nuts, floating fasteners, and blind fasneters. Self-clinching nuts are load-bearing threaded fasteners for thin sheets (aluminum, steel, or other ductile materials). These nuts have a high torque output resistance, and thread sizing ranging from 2-56 to 1/2-20. Self-clinching floating fasteners provide load-bearing threads in thin sheets and permit up to 0.030" adjustment for mating hole misalignment. Self-clinching blind fasteners provide a barrier in order to protect threads against foreign matter and circuits from intrusion of extra long screws. Floating and blind fasteners have thread sizes ranging from 4-40 to M6 x 1.0.

Nyltite Corp. of America offers snap bushings are hole-liners that are designed to stay in place with no pressure. They function as an electrical, mechanical, grommet, bearing, or bushing insulator. Bushings have a nominal size range from 0.073 to 1.000, a maximum inner diameter of 1.005, and a maximum outer diameter of 1.075.

National Bolt & Nut Corporation offers top-lock and flex-lock nuts in British, English, and metric sizes. Diameters range from M2 to M80, and grades range from 2 to 12.9. Materials include: alloy steel, aluminum, beryllium, brass, silicone bronze, carbon steel, magnesium, molybdenum, nylon, tin, titanium, etc. Applications include: boilers, bridges, construction machinery, engineered plumbing, engines, hydraulics, impellers, jewelry, machine tools, and water treatment plants. Nuts meet ANSI, DIN, ISO, and UTS industry standards.

Moeller Manufacturing Co. offers Click-Loc self-locking fasteners. These fasteners can withstand temperatures to 1200F, they are guaranteed for at least 100 installation/removal cycles, and they satisfy DoD "no lockwire" requirements.

APM Corp. offers self-sealing and self-locking bolts. These bolts are UL/CSA tested and recognized, have 360° metal-to-metal contact, retain positive sealing under vacuum pressure, and install like a conventional bolt. They are vibration-resistant and reusable, withstanding internal/external pressures to 20,000 psig.

Asymetrical Fasteners offers self-locking vibration resistant fasteners. Product options include: Torksleeve A, D-locknut, Torksleeve M, Torksleeve B, Torksleeve BC, and A-LOCK. These fasteners are made of 303 stainless steel, 416 stainless steel, and aluminum materials. Torksleeve A fasteners have a maximum torque of 200 lb/in, and a maximum outer diameter of 0.750.