Best Insert Nylock Nut

Prime-Line 9074800 Nylon Insert Lock Nuts, #4-40, Grade 2 Zinc Plated Steel, (50-pack)

Nut Type: Hex Locknut with Blue Nylon Insert.
Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque..
Made of 304 stainless steel (no coating outside), provides good strength and corrosion resistance in bad environments..

Fitment: For Most Harley Touring/Softail/Dyna/Sportster Models..
Material: made of Zine-alloy,rust-resisting,a sleek look waterproof and long service life..
Note:If fender has a plastic plug not a nut insert, Please remove plug and use nut kit to mount..
Easy Install:Replace your rear seat/Solo Rack bolt nut Base.Perfect replacement for nut..
Package Include:1* seat bolt and 1* nut kit..

➨ Pack of 20 (Twenty) threaded inserts - great for restocking one of our insert assortments..
➨ These create much more convenient and professional parts than using "captive nuts" (where you have to design a slot for a nut, and then place the nut in the slot and hold it there while affixing a screw). They also can be used in some situations where captive nuts just don't work..
➨ These are inserted into a hole in the print that is slightly smaller than the insert, and set in place using a soldering iron to melt the plastic around the insert. The inserts have a slight taper and small fins that the plastic flows around, resulting in an extremely strong bond..
➨Rather than adjust designs around the limitations of 3D printing (supports, print bed size, etc), divide your parts into separate components that fasten using these inserts and machine screws. Not only does this give you greater flexibility when designing a part, but also allows you to re-print only failed components rather than full assemblies - saving time and money..
➨ These are threaded M3-0.5 with an overall length (OAL) 3.85mm Outer diameter at the top (wider end) is 5.6mm, bottom is 5.12mm Hole size in your product should be slightly smaller than the insert, to allow plastic ....

Accepts Standard Bits: Magnetized bit holder is compatible with insert bits and power bits for convenient replacement..
Ratcheting: Allows the user to turn the driver without stopping to adjust wrist position..
Optimized Grip Zones: Heavy texture mid-zone provides maximum torque. Low texture base zones provide speed and precision..
Sizes Included: PH #1, PH #2, T25, SQ #2, SL 8-10, 1/4'' Nut Driver, 3/8'' Nut Driver, 5/16'' Nut Driver.

Stainless Steel Rivet Nuts Threaded Insert Nutsert 77 pcs 5 Sizes #8-32 #10-24 / 1/4"-20 / 5/16"-18 / 3/8"-16 Rivnuts..
20pcs stainless steel 1/4-20 rivet nuts + 20pcs stainless steel 10-24 rivet nuts + 20pcs stainless steel 8-32 rivet nuts + 10pcs stainless steel 5/16-18 rivet nuts + 7pcs stainless steel 3/8-16 rivet nuts..
Thread size: rivet nut 8-32, rivet nut 10-24, rivet nut 1/4-20, rivet nut 5/16-18,rivet nut 3/8-16..
Application: rivet nuts for automotive, furniture, decoration and other electrical and industrial products..
Package comes with clear plastic box for easy storage, compartments with product labels (8-32, 10-24, 1/4-20, 5/16-18, 3/8-16) for easy distinguish..

Size and Number of Pieces: 1/4" 10pcs 3/8" 10pcs 1/2" 10pcs Tube OD.
Working Pressure Range: Maximum up to 150PSl. Working Temperature Range: '-40℉ to +200℉(-40℃ to +93℃).
Applications: Used with SAE J844 Type A and Type B nylon tubing in air brake system, or in cab air controls, except for where temperature is under -40℉(-40℃) or above +200℉(+93℃)or where battery acid can drip on tubing..
Advantages: Meet D.O.T.FMVSS 571.106 air brake specifications. Meet functional requirements of the SAE 246 & SAE J1131. Machined from CA360 brass. Easy to assemble (no tube preparation or flaring required.) Built in tube support. Can be used with copper tubing by NTA body with long nut and spherical sleeve. Insert should be removed.
Assembly Instructions: 1. Cut tubing as flat as you can. Maximum 15°angle is allowed. 2.Check the port of the mating part free of burrs or debris. 3.Slide sleeve and then nut on the tubing. 4. Insert the preassembled fitting into the tubing and the tubing should be bottomed to the seat of the fitting. 5. Tighten the nut by wrench until one thread remains visible of the fitting body..

Comes With Drill Bit, Wrench, Hex Allen Key Screws, Nylock Nuts And Instruction Sheet.