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2pcs UNC UNF UNEF UN Right Hand Thread Tap And Die Set HSS Hand Tap Drill Bit 5/16 3/8 7/16 1/2 5/8 3/4-18 20 24 28 40 (Thread Diameter : UNC 1l2-13) : Amazon.co.uk: DIY & Tools
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5/16-24 UNF x 2 inch Imperial Full Thread Hexagon Bolts (ANSI B18.6.3) - A2 Stainless Steel: Accu.co.uk: Precision Screws
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