Description Image Data & Spec Sheet Size Range Material
ESL Provides superior resistance to vibration, shock, impact, extreme temperatures and corrosion. Ensures easy installations with NO GALLING.
ESL Type Locknut [PDF]
J.Lanfranco: all metal locknuts; ESL Metric Steel
Metric Stainless Steel
Imperial
Metric: M2-M60
Imperial: No8-2"1/2
Steel:
Grade 5-8-10
Class 8-10-12

S/S:
A2 70 (AISI 304)
A4 80 (AISI 316L)
ERM 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.
ERM Type Locknuts [PDF]
J.Lanfranco: all metal locknuts; ERM Metric
Imperial
Metric: M2-M22
Imperial: No8-7/8"
Steel:
Grade 5-8-10
Class 8-10-12

S/S:
A2 70 (AISI 304)
A4 80 (AISI 316L)
HCE/HCT A reusable one piece locknut able to withstand high temperatures where a nylon insert would fail. J.Lanfranco: all metal locknuts; HCE/HCT
HCE Metric: M2-M60
HCT Metric: M3-M60
Imperial: 1/4"-2"1/2
Steel:
Grade 5-8-10
Class 8-10-12

S/S:
A2 70 (AISI 304)
A4 80 (AISI 316L)
THM Industrial version of double slotted locknut. J.Lanfranco: all metal locknuts; THM
Metric: M4-M60 Steel:
Class 8-10-12

S/S:
A2 70
A4 80
THU Industrial version of double slotted locknut. J.Lanfranco: all metal locknuts; THU
Metric: M4-M60 Steel:
Class 8-10-12

S/S:
A2 70
A4 80