M4 Locknuts
from PennEngineering®
Engineered to Eliminate Vibration Loosening. In high-vibration environments, traditional locking methods present compromises. Nylon inserts degrade, lock washers lose effectiveness, and thread adhesives need time-consuming application. As vibration cycles grow, these fastening solutions can... [See More]
- Size: #4; #6; #8; #10; 1/4"; 5/16"; M3; M4; M5; M6; M8
- Finish: Zinc Plated
- Material: Hardened Steel
- Features: Vibration Dampening
from bisco industries
Lock Nuts [See More]
- Size: M4; M4X.7
from APM Hexseal Corp.
One of APM Hexseal's earliest innovations was a self-sealing hexagonal nut, or Seelnut ®. Seelnuts install just like conventional nuts, and are designed for use with ordinary screws, bolts and studs, making them a quick and easy sealing option for all sorts of applications, especially where... [See More]
- Size: M4
- Material: Steel; Low Carbon Steel
- Type: Nut with a Sealing O-Ring
- Finish: Zinc Chromate
from PennEngineering®
PEM ® S-RT ™ free-running locknuts are free-running until clamp load is induced. A modified thread angle on the loaded flank provides the vibration resistant locking feature. Screw turns freely until a clamp load is applied. Resistant to vibrational loosening. Back side of panel is flush... [See More]
- Size: M3; M4; M5; M6
- Material: Steel
- Type: Free-running Locknut
- Finish: Zinc Plated
from bisco industries
Lock Nuts [See More]
- Size: M4; M4 x 0.7
- Material: Steel
from PennEngineering®
Type SL self-locking nuts are designed with a unique and economical TRI-DENT ® locking feature, which meets demanding locking performance requirements. 3 cycle locking performance. Achieved using steel socket head cap screws, 180 ksi / property class 12.9 with standard finish of thermal oxide... [See More]
- Size: M4
- Material: Hardened Steel
- Type: TRI-DENT® Locking Feature
- Finish: Zinc Plated
from J.Lanfranco Fastener Systems Inc.
All metal reusable slotted self-locking hexagon nut. [See More]
- Size: M4
- Material: Bronze (optional feature); Brass (optional feature); Exotic Metals (optional feature); Steel (optional feature); Stainless Steel (optional feature); Titanium (optional feature)
- Type: Slotted Locknut
- Finish: Anti-Galling Coating (optional feature); Galvanized (optional feature); Nickel Plated (optional feature); Zinc Plated (optional feature); Zinc Chromate (optional feature); Self-Color, Pass., Anti-Galling, Geomet
from NBK America LLC
Specific gravity is approximately 60% of stainless steel. These nuts are equipped with vibration resistant patch to prevent screw from loosening. Continuous Max. Operating Temperature ：. -40 to 120 deg C [See More]
- Size: M4
- Features: Vibration Dampening
from NBS Corp.
Featuring a white nylon insert and available in both normal and thin pattern, NBS ’ nylon insert lock nuts are the ideal general purpose locking nut. Available from ¼ ” through 1 ” (inch) and M3 through M16 (metric) internal diameter, all nylon insert lock nuts meet IFI... [See More]
- Size: M4
- Finish: Zinc Plated
from PENCOM
Custom sizes available [See More]
- Size: M4
- Finish: Black Dry Film Lubricant
- Material: Stainless Steel
- Thread Direction: Right Hand
from G.L. Huyett
A locknut, also known as a lock nut, locking nut, prevailing torque nut, stiff nut or elastic stop nut, is a nut that resists loosening under vibrations and torque. Elastic stop nuts and prevailing torque nuts are of the particular type where some portion of the nut deforms elastically to provide a... [See More]
- Size: #10; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; M4; M5; M6; M8; M10; M12
- Material: Carbon Steel
- Type: Elastic Stop Nut
- Thread Direction: Right Hand
from Bayou City Bolt & Supply Co., Inc.
A nut is a type of fastener with a threaded hole. Nuts are almost always used opposite a mating bolt to fasten parts together. The two components work together by a combination of friction between the threads, a slight stretch of the bolt, and compression of the mating parts. Nuts are graded with... [See More]
- Size: M4; M5; M6; M8; M10; M12; M14; M16; M18; M20; M22; M24; M27; M30; M33; M36; M42; M48
- Material: Steel (optional feature); Stainless Steel (optional feature); Plastic (optional feature); Nylon (optional feature); Alloy Steel
- Type: Nylon Insert Nut
- Standards: ASME/ANSI (optional feature); SAE (optional feature); ASTM
from J.Lanfranco Fastener Systems Inc.
The one-piece ERM is a great time saver with its integrated disc spring washer. The result: quick installations and absolute tension maintained under dynamic loads. [See More]
- Size: M4
- Material: Steel (optional feature); Hardened Steel (optional feature)
- Type: Slotted Locknut
- Finish: Galvanized (optional feature); Nickel Plated (optional feature); Zinc Plated (optional feature); Zinc Chromate (optional feature); Geomet®
from NBS Corp.
Featuring a built in external tooth lock washer for exceptional surface grip, NBS ’ k-lock nuts are available from ¼ ” through ¾ ” internal diameter. All k-lock nuts are sourced from ISO-9001 accredited manufacturers and come with zinc finish. [See More]
- Size: M4
- Material: Steel
- Type: Jet Nut (K-Nut)
- Finish: Zinc Plated
from J.Lanfranco Fastener Systems Inc.
All metal self-locking riveting nut, with locking slot. [See More]
- Size: M4
- Material: Stainless Steel
- Type: Slotted Locknut
- Finish: Anti-Galling Coating; Self-Color, Pass., Anti-Galling, Geomet