A4 SUPER Slotted Hex Head Self-Tapping Screw (EPDM Washer)
Manufactured from grade 316 stainless steel, these Super screws are triple the hardness compared with typical commercial stainless steel.
This Super screw is able to tap, shape the thread and also fasten the predrilled/punched stainless steel sheets in a single step. It is unnecessary to begin any pre-tapping with a steel screw.
Due to the A4 grade material, these screws are austenitic and also rust/acid resistant. They include a rolled out thread designed so that the second sheet can be pulled tight.
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Free Next Day Delivery!
Order before 3pm on a work day and next day delivery is offered on all our standard products to UK mainland customers.We offer free delivery for all orders over £50 (ex VAT). (UK Mainland Only).
We now offer a morning delivery service to receive your goods either before 12 or even 10:30 (UK Mainland Only)
Before 10:30 - £17
Before 12 - £10
We deliver all across the globe using a highly trustworthy courier. At the checkout stage, select the country that you would like the goods to be delivered.Then you will receive an email where you can confirm the delivery price if you are happy with it. Different countries will have different lead times and prices.
Below is the standard tariff for guidance purposes. Actual costs will be confirmed at point of sale and any variances you will be notified within 24 working hours of receipt of order.
The deliveries below are for mainland UK, for Highlands, Channel and offshore islands an extra charge per consignment will be applied as below, we can also arrange Saturday delivery at extra cost.
Next day delivery for orders under £50 (ex VAT) - £5
Next day delivery for orders over £50 (ex VAT) - FREE