M3 Locknuts Datasheets

Metric SEELNUT® Self-Sealing Locking Standard Nut -- M3 x 0.5
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: M3
  • Material: Steel; Low Carbon Steel
  • Type: Nut with a Sealing O-Ring
  • Finish: Zinc Chromate
Trident Heat-Treated Carbon Steel Locknuts - Type SL - Metric -- SL-M3-1ZI
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: M3
  • Material: Hardened Steel
  • Type: TRI-DENT® Locking Feature
  • Finish: Zinc Plated
from RS Components, Ltd.

A1 grade type 303 stainless steel. All-metal construction. Allows use up to 300 °C. Stay in position whether tightened or not. Reuseable. Type = Aerotight. Thread Size = M3. Width = 5.5mm. Material = Stainless Steel. Stainless Steel Type = A1. Finish = Plain [See More]

  • Size: M3
  • Material: Stainless Steel
ESL Slotted Self-Locking Hexagon Nut -- ESL030050QVZO
from J.Lanfranco Fastener Systems Inc.

The ESL's two self-locking slots make it ideal in any application subjected to high vibration, shock, impact, heavy loads, and high temperatures. The ESL provides unparalleled locking ability without seizing up upon removal. [See More]

  • Size: M3
  • Material: Bronze (optional feature); Brass (optional feature); Exotic Metals (optional feature); Steel (optional feature); Hardened Steel (optional feature); Titanium (optional feature)
  • Type: Slotted Locknut
  • Finish: Galvanized (optional feature); Nickel Plated (optional feature); Zinc Plated; Zinc Chromate (optional feature); Geomet®
Jam Nut Brass DIN439B, M3X.5 -- M50647
from Mountz, Inc.

a six-sided internally threaded fastener which is only 2/3 the thickness of a full form nut. Application: Jam nuts are tightened against the work surface and finished or heavy hex nuts is tightened against the jam nut to keep it from loosening. [See More]

  • Size: M3
  • Material: Bronze
  • Type: Jam Nut
  • Standards: DIN
M3 - 0.5 Cl. 6 DIN 958 Nylon Insert Lock Nut, Zinc -- N6985M03P0.5Z
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: M3
  • Finish: Zinc Plated
Self-Clinching Collar, Locking -- NHLSS-M3-*-BDF

Custom sizes available [See More]

  • Size: M3
  • Finish: Black Dry Film Lubricant
  • Material: Stainless Steel
  • Thread Direction: Right Hand