HCT One-Slot Self-Locking Hexagon Nut -- HCT
from J.Lanfranco Fastener Systems Inc.

The HCE line of locknuts provide a reusable one-piece locknut able to withstand high temperatures where a nylon insert would fail. [See More]

  • Size: 1/4" (optional feature); 5/16" (optional feature); 3/8" (optional feature); 7/16" (optional feature); 1/2" (optional feature); 5/8" (optional feature); 3/4" (optional feature); 7/8" (optional feature); 1" (optional feature); 1 1/4" (optional feature); 1 1/2" (optional feature); 1 3/4" (optional feature); 2" (optional feature); 2 1/2" (optional feature); 9/16"; M2 (optional feature); M2.5 (optional feature); M3 (optional feature); M3.5 (optional feature); M4 (optional feature); M5 (optional feature); M6 (optional feature); M8 (optional feature); M10 (optional feature); M12 (optional feature); M14 (optional feature); M16 (optional feature); M18 (optional feature); M20 (optional feature); M22 (optional feature); M24 (optional feature); M25 (optional feature); M26 (optional feature); M27 (optional feature); M28 (optional feature); M30 (optional feature); M32 (optional feature); M33 (optional feature); M35 (optional feature); M36 (optional feature); M38 (optional feature); M40 (optional feature); M42 (optional feature); M48 (optional feature); M60
  • Material: Exotic Metals (optional feature); Steel (optional feature); Hardened Steel (optional feature); Stainless Steel (optional feature); Titanium (optional feature); Light Alloy
  • Type: Slotted Locknut
  • Finish: Anti-Galling Coating (optional feature); Phosphate (optional feature); Galvanized (optional feature); Nickel Plated (optional feature); Zinc Plated (optional feature); Zinc Chromate (optional feature); Self-Color, Pass., Anti-Galling, Geomet
Trident Heat-Treated Carbon Steel Locknuts - Type SL - Metric -- SL-M3-5-1ZI
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: M3.5
  • Material: Hardened Steel
  • Type: TRI-DENT® Locking Feature
  • Finish: Zinc Plated
Self-Clinching, Locking -- NELST-M3.5-*-Z
from PENCOM

Custom sizes available [See More]

  • Size: M3.5
  • Finish: Zinc Plated
  • Material: Steel
  • Thread Direction: Right Hand