![Corrosion-resistant, socket, countersunk machine screws available in various diameters and lengths](http://www.fusionfixings.co.uk/cdn/shop/collections/UNC_-_A2_Stainless_Steel_Countersunk_Socket_Screws_-_ANSI_B18.3_1200x1200.png?v=1664797732)
UNC - A2 Stainless Steel Countersunk Socket Screws - ANSI B18.3
Corrosion-resistant, hex socket countersunk machine screws. Available in a range of sizes at great prices. Being manufactured from A2 stainless steel, these countersunk socket screws offer a good level of resistance to corrosion and are ideal for external use. With unified coarse threading (UNC), the countersunk head will sit flush to the material's surface while the hex socket allows for easier tightening and increased clamping force. For the best results, you will need to pre-drill a countersink.
Conforms to ANSI B18.3 with bulk discounts available.
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