Hobson data sheet
ERM Dual Slot Self-Lock Nut with Free-Spinning Washer, Class 8 Zinc: Data Sheet
Hobson's one-page product data sheet for the J.Lanfranco ERM dual slot self-lock nut with free-spinning washer in class 8 steel, part series NJ08TERMM. It lists four sizes from M8 to M16 with their dimensions, plus features, applications and temperature range.
What this covers
- Applications
- Features
- Material and finish
- Dimensions
- Temperature range
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Material class 8, finish zinc and top coat. Standard ISO 2320.
- Dual-slotted self-locking hex with consistent prevailing torque. The locking slots work independently of bolt tension, and the all-metal nut is reusable.
- A captive free-spinning disc spring washer keeps tension in the joint under dynamic loads.
- Four sizes: NJ08TERMM08 (M8), NJ08TERMM10 (M10), NJ08TERMM12 (M12) and NJ08TERMM16 (M16). Washer diameter 22mm on M8, 27mm on M10 and M12, 40mm on M16.
- Temperature range -50°C to 300°C.
- Listed applications: mining and processing, railway and transportation, energy, military and industrial.
Who it helps: Maintenance crews and engineers locking high tensile bolted joints that see vibration.
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This document is published by Hobson Engineering, who supply this range to us. We show it here in full so you can read it next to the product; the summary above is ours. Read it on this page or download the PDF. For the most current version, ask us.