The mean roughness Ra matches the arithmetical mean of the absolute. values related to the profile deviation y within the reference length l. Max. profile valley depth Rmax (DIN 4768) The max. profile valley depth Rmax counts for the most significant single. roughness depths Zi within the total length lm.
Benefits. Every 500 Nectar points you redeem is Â£2.50 off your total, which means more money to spend on the goods you want. You can also save further Nectar points for each Argos purchase you make, simply by presenting your card at the checkout. Simply present your Nectar card at the till and the cashier will swipe your card to automatically deduct the points from your account (subject to system availability). 2  Any remaining balance will need to be paid in full by cash, debit or credit card on the day.
You do not have to register an account with us to order online. However setting up an account on Argos.co.uk is a way of saving your personal details, such as delivery addresses for future use. This makes the site even quicker and easier to use.lease note that in the interest of security, Argos will never ask for your full username, password or credit card details via email, pop-ups, or for any purpose other than registering or placing an order on Argos.co.uk. See our Security page for more details on how to make your online shopping secure.