Subtotal: £46.53
In stock
Inside Diameter: 63.1mm
Outside Diameter: 90mm
Thickness: 7mm
Material Finish: Delta Protekt
Weight per 100: 15.200kg
Wedge Washer trading as Secure Bolting Solutions Limited, Company reg: 14461504 VAT number: GB427395278
Secure Bolting Solutions Limited has the below delivery policy.
Orders over £125.00 (excluding VAT) are delivered Free of charge and orders under £125.00 (excluding VAT) are subject to a minimum delivery charge of £7.50. We may have to charge extra for remote areas or faster services maybe subject to additional charges which are displayed at the point of check out.
We reserve the right to amend the carriage charge if we need to but this would be discussed with you before shipping anything or billing any extras. This would be anything that would be classed as remote or offshore, if you have any questions on this please contact us further.
We aim to despatch all stocked items the same or next day on a next day carrier. We will stay in communication with you to inform you if there are any unplanned delays but in general you will receive your order within 1 to 3 Days of placing it.
If you require goods sending to any areas not showing on our options then please contact us directly and we will be happy to provide you with a quotation to anywhere around the world.
Delivery times are subject to stock availability. You may check availability of products before you place your order. Our large stocks mean that we normally maintain a same day despatch service for all orders placed before 12 noon Monday-Friday.
Online orders are despatched via the most appropriate courier service who will deliver to your stated delivery address between 8am and 5pm, Monday-Friday. To improve security, we request that you (or a representative from your company/member of your household) sign for the goods being delivered. If for any reason you are not in, our courier will leave a calling card explaining your options.
We reserve the right to use an alternative courier or delivery service without notice or refund.
You may contact us by e-mail at info@www.wedgewasher.co.uk or telephone us (business hours) to check the progress of your order
Wedge Locking washers are supplied as a glued pair of washers to enable them to be installed exactly the same as a normal washer but with the added benefit they will maintain the tension in the joint under dynamic loading such as joint movement or vibration.
Once tightening of the joint occurs the glue is designed to allow the washers to separate and rotate against each other to perform the “Wedge Locking” function. See our section how it works for more information on the principle of this Technology.
The Wedge Locking Washers are in line with DIN 25201 to prevent the loosening of fasteners from dynamic loading such as vibration, joint movement and cyclic loading.
Corrosion resistance:
SCM435 Alloy Steel – Delta Protekt KL 600 h base metal corrosion in line with DIN EN ISO 9227-NSS
Stainless Steel – Grades 316L and 254 SMO
Applications:
Oil and Gas, Construction Equipment, General Construction, Bridge Building, Renewable Energy, Recycling, Building Services, Medical, Mining and Quarrying, Forestry and Agriculture, Tunnelling, Commercial Vehicles, Ship Building, Military, Manufacturing and Processing, Railways.
Function:
The wedge surface slope between the two lock washers ensures highly secure locking. The screw connection is locked by pre-tension instead of by friction. See our section on it works for more details.
Benefits:
Tightening Recommendations
The tightening of your connection when using Wedge-Locking washers will change very slightly to get the same extension and load in the fastener. This is due to increasing the friction on the clamping surfaces. Please contact us regarding this if you are unsure what you should be tightening the fastener to for the washers to be effective.
A manual check can be made if you tighten your joint to the torque you already do and mark a line across the pair of washers and onto the clamping surface. Untighten the connection and watch for the lines on the washer to separate. If they separate then they have functioned correctly, if not you may need to add additional force but please be careful not to take the fastener into yield.
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