Home / Screws & Bolts / Countersunk Screws / Socket Countersunk Screws / UNF Socket Countersunk Screws Product Description 5/8" UNF x 1 1/4" Socket Countersunk Screws (ANSI B18.3) - High Tensile Steel Self ColourSocket 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 UNF Socket Button Head Screws are made from High Tensile Steel and have a black self colour finish.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 5/8" UNF Threads Per Inch 20 TPI Head Diameter (Max) 1.188" Head Length (Max) 0.022" Length Including The Head 1 1/4" Socket Size 3/8" Fully Threaded Yes Manufacturing Standard ANSI B18.3 Material High Tensile Steel Finish Self Colour Black Product Code HT-CSK-5/8UNF-11/4 Customer reviews No reviews left yet Write A Review Most RecentTop Rated Specification Thread Diameter 5/8" UNF Threads Per Inch 20 TPI Head Diameter (Max) 1.188" Head Length (Max) 0.022" Length Including The Head 1 1/4" Socket Size 3/8" Fully Threaded Yes Manufacturing Standard ANSI B18.3 Material High Tensile Steel Finish Self Colour Black Product Code HT-CSK-5/8UNF-11/4 Description 5/8" UNF x 1 1/4" Socket Countersunk Screws (ANSI B18.3) - High Tensile Steel Self ColourSocket 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 UNF Socket Button Head Screws are made from High Tensile Steel and have a black self colour finish.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 5/8" UNF x 1 1/4" Socket Countersunk Screws (ANSI B18.3) - High Tensile Steel Self Colour Item in Stock (40 Available) Product Code HT-CSK-5/8UNF-11/4 Need More?Additional stock available in: 1 - 2 Days £2.03 Quantity Range Unit Price Unit Saving 1 - 4 £2.03 No Saving 5 - 9 £1.81 £0.22 10 - 24 £1.69 £0.34 25 - 49 £1.58 £0.45 50 - 99 £1.47 £0.56 100 - 499 £1.35 £0.68 500 - 999 £1.13 £0.90 1000+ £0.90 £1.13 Login to add this product to your wishlist. You Will Earn 2 points which is the equivalent of £0.10