Home / Screws, Bolts & Nails / Countersunk Screws / Socket Countersunk Screws / Metric Socket Countersunk Screws / Metric Socket Countersunk Screws (DIN 7991) - PEEK Product Description M5 x 20mm Socket Countersunk Screws (DIN 7991) - PeekSocket Countersunk Screws feature an internal socket drive and are fastened with a Hexagonal/Allen key. The slanted neck and flat top allow for Socket Countersunk Screws to lay flush with the fastened surface or raised when paired with a Cup/Countersunk Washer.These Socket Countersunk Screws are made from PEEK, which is ideal for use in demanding applications since PEEK has excellent thermal and chemical resistance, as well as a high degree of mechanical strength and stiffness. The material flammability standard of PEEK is UL94 V-0 and the continuous use temperature for this material is 180°C.These Socket Countersunk Screws have been precision manufactured in house from PEEK UL94 V-0 using state of the art CNC Machines to DIN 7991. Due to this, unless the item is deemed faulty, this item is non-returnable and non-refundable. All Peek Screws are manufactured to order, therefore please allow 1 to 2 weeks for dispatch. If we do have any in stock, we will dispatch within 1 working day.For larger quantities or items not listed, please email sales@gwr-fasteners.co.uk and one of our team will provide you with a quotation. Read More Specifications Thread Diameter M5 Thread Pitch 0.8mm Head Diameter 10mm Head Length 2.8mm Length Including the Head 20mm Socket Size 3mm Fully Threaded Yes Manufacturing Standard DIN 7991 Material PEEK (UL94 V-0) Finish Natural Product Code PK-CSK-M5-20 Customer reviews No reviews left yet Write A Review Most RecentTop Rated Specification Thread Diameter M5 Thread Pitch 0.8mm Head Diameter 10mm Head Length 2.8mm Length Including the Head 20mm Socket Size 3mm Fully Threaded Yes Manufacturing Standard DIN 7991 Material PEEK (UL94 V-0) Finish Natural Product Code PK-CSK-M5-20 Description M5 x 20mm Socket Countersunk Screws (DIN 7991) - PeekSocket Countersunk Screws feature an internal socket drive and are fastened with a Hexagonal/Allen key. The slanted neck and flat top allow for Socket Countersunk Screws to lay flush with the fastened surface or raised when paired with a Cup/Countersunk Washer.These Socket Countersunk Screws are made from PEEK, which is ideal for use in demanding applications since PEEK has excellent thermal and chemical resistance, as well as a high degree of mechanical strength and stiffness. The material flammability standard of PEEK is UL94 V-0 and the continuous use temperature for this material is 180°C.These Socket Countersunk Screws have been precision manufactured in house from PEEK UL94 V-0 using state of the art CNC Machines to DIN 7991. Due to this, unless the item is deemed faulty, this item is non-returnable and non-refundable. All Peek Screws are manufactured to order, therefore please allow 1 to 2 weeks for dispatch. If we do have any in stock, we will dispatch within 1 working day.For larger quantities or items not listed, please email sales@gwr-fasteners.co.uk and one of our team will provide you with a quotation. Reviews No reviews left yet Write A Review Most RecentTop Rated Delivery & Returns Customer Reviews M5 x 20mm Socket Countersunk Screws (DIN 7991) - PEEK Out of stock Product Code PK-CSK-M5-20 Need More?Additional stock available in: 4 Weeks £4.77 Quantity Range Unit Price Unit Saving 1 - 4 £4.77 No Saving 5 - 9 £4.38 £0.39 10 - 24 £3.98 £0.79 25 - 49 £3.58 £1.19 50 - 99 £3.34 £1.43 100 - 249 £3.18 £1.59 250 - 499 £2.22 £2.55 500 - 999 £1.65 £3.12 1000+ £1.40 £3.37 Sorry this item is out of stock but can still be purchased. Login to add this product to your wishlist. You Will Earn 5 points which is the equivalent of £0.25