Ordering from outside of the UK
Please note that our website is unable to calculate delivery services for outside of the UK.
Email us at sales@barenco.co.uk with your delivery address, items required and telephone number
and we will arrange a quotation for shipping to be emailed to you.
Imports to the United States of America
Please note that the USA has suspended the De Minimus Rule on all shipments from all countries as of 29th August 2025. This means that all packages, regardless of their value, will now be subject to full customs clearnance and may incur duties, taxes and fees.
This may also lead to higher costs and longer transit times for shipments to the USA. Please contact your Import taxes and duties department for more details and costs.
Self Locking Nut BZP, Black, A2 & A4 Stainless Steel
Lock nuts with nylon inserts (self‑locking nut, locking nut)
Sizes M2 - M6 are sold in packs of 100 pieces
Sizes M8 - M10 are sold in packs of 50 pieces
Size M12 is sold per individual piece
Lock nuts with nylon inserts (self‑locking nut, locking nut) are a prevailing torque, locking nut that resists loosening caused by vibration and normal use. Unlike free spinning nuts, lock nuts make use of a deforming elastic or metal material to stay in position against torque and shock.
| SKU | Self Locking Nut |
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