Technical Specification Confirmation
PROCUREMENT & SUPPLY DECISION RECORD
Ref: ACG-SPEC-MQEL4CEA  ·  Generated: 15 Jun 2026
ACG AgaCanGroup
sales@agacaninvestment.com
agacangroup.com
RS PRO, Bright Zinc Plated Steel Lock Nut, DIN 985, M4
RS PRO
RS PRO, Bright Zinc Plated Steel Lock Nut, DIN 985, M4
Part No.
524-304
Procurement Intelligence
RS PRO DIN 985 self-locking nuts are metric M4 steel fasteners with nylon inserts designed to prevent vibration-induced loosening in industrial assemblies. Installation requires standard hex key engagement with no special tools. Critical verification: confirm nylon insert integrity and bright zinc plating uniformity before high-temperature or corrosive environment deployment.
Vibration-resistant metric fastening
Before ordering — verify:
☐ Nylon insert condition
☐ Zinc plating thickness
☐ Temperature rating limits
Technical Specifications
Imperial or MetricMetric
Nut TypeSelf Locking
Thread SizeM4
MaterialSteel
TypeNylon Insert
FinishBright Zinc Plated
Standards MetDIN 985
ACG Industrial & Infrastructure Solutions
Kampala, Uganda  ·  Malatya, Turkey
http://agacangroup.com/product/mechanical/fasteners-fixings/nuts-washers/hex-nuts/rs-pro-bright-zinc-plated-steel-lock-nut-din-985-m4?mal=6627c98512f5f0d90dfc1c8e
This document confirms the above specification is available in the ACG Industrial catalogue. Pricing and availability on request. Forward to your procurement team to initiate an RFQ.