{"title":"Rods","description":null,"products":[{"product_id":"lathes-machine-turning-miniature-drinyoung-22260824qpeob3nr","title":"Round Steel Rod High Speed Steel (HSS) Lathe Bar Stock Tool,for Shaft Gear Drill Lathes Boring Machine Turning Miniature DRINYOUNG (14pcs（300mm）：4mm-10mm x2pcs)","description":"\u003cp\u003e\u003cspan\u003eDRINYOUNG round bar made of HSS durable material has good toughness, easy to mould and no cracks. Smooth surface, easy to shape, no cracks, wear-resistant, suitable for DIY handicrafts. perfection for machining top rounds, end faces, bores, threads, flats, steps, and grooves. Suitable for copper, aluminium and unhardened steel products. Can be widely used for connecting gear shafts, motor shafts, short support shafts, shaft pocket models, etc. Please add some oil when storing storage, reduce contact with air or not exposed to air to prevent rust.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003eAdditional details\u003c\/p\u003e\u003cul\u003e\u003cli\u003eMaterial : High Speed Steel\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eItem details\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASIN : B0GSFMMRVQ\u003c\/li\u003e\n\u003cli\u003eBrand Name : DRINYOUNG\u003c\/li\u003e\n\u003cli\u003eManufacturer : DRINYOUNG\u003c\/li\u003e\n\u003cli\u003eModel Number : 14pcs（300mm）：4mm-10mm x2pcs\u003c\/li\u003e\n\u003cli\u003eNumber of Items : 1\u003c\/li\u003e\n\u003cli\u003ePart Number : 1mm x 100mm 20pcs\u003c\/li\u003e\n\u003cli\u003eUPC : 769643435265\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMeasurements\u003c\/p\u003e\u003cul\u003e\u003cli\u003eItem Dimensions : 12.2 x 1.97 x 0.98 inches\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eStyle\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eColor : silvery\u003c\/li\u003e\n\u003cli\u003eItem Form : sticks\u003c\/li\u003e\n\u003cli\u003eItem Shape : Round\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DRINYOUNG","offers":[{"title":"14pcs（300mm）：4mm-10mm x2pcs","offer_id":47052264734919,"sku":"22260824QPEOB3NR","price":48.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/3081\/7735\/files\/61hRPJ7yi9L._SL1500.jpg?v=1787796020"},{"product_id":"lathes-machine-turning-miniature-drinyoung-40260824wqaclmnh","title":"Round Steel Rod High Speed Steel (HSS) Lathe Bar Stock Tool,for Shaft Gear Drill Lathes Boring Machine Turning Miniature DRINYOUNG (20pcs（200mm）：1mm-10mm x2pcs)","description":"\u003cp\u003e\u003cspan\u003eDRINYOUNG round bar made of HSS durable material has good toughness, easy to mould and no cracks. Smooth surface, easy to shape, no cracks, wear-resistant, suitable for DIY handicrafts. perfection for machining top rounds, end faces, bores, threads, flats, steps, and grooves. Suitable for copper, aluminium and unhardened steel products. Can be widely used for connecting gear shafts, motor shafts, short support shafts, shaft pocket models, etc. Please add some oil when storing storage, reduce contact with air or not exposed to air to prevent rust.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003eAdditional details\u003c\/p\u003e\u003cul\u003e\u003cli\u003eMaterial : High Speed Steel\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eItem details\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASIN : B0GSFLYJ1R\u003c\/li\u003e\n\u003cli\u003eBrand Name : DRINYOUNG\u003c\/li\u003e\n\u003cli\u003eManufacturer : DRINYOUNG\u003c\/li\u003e\n\u003cli\u003eModel Number : 20pcs（200mm）：1mm-10mm x2pcs\u003c\/li\u003e\n\u003cli\u003eNumber of Items : 1\u003c\/li\u003e\n\u003cli\u003ePart Number : 1mm x 100mm 20pcs\u003c\/li\u003e\n\u003cli\u003eUPC : 769643435241\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMeasurements\u003c\/p\u003e\u003cul\u003e\u003cli\u003eItem Dimensions : 8.27 x 1.97 x 0.98 inches\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eStyle\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eColor : silvery\u003c\/li\u003e\n\u003cli\u003eItem Form : sticks\u003c\/li\u003e\n\u003cli\u003eItem Shape : Round\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DRINYOUNG","offers":[{"title":"20pcs（200mm）：1mm-10mm x2pcs","offer_id":47052264833223,"sku":"40260824WQACLMNH","price":38.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/3081\/7735\/files\/61AB8C9stkL._SL1500.jpg?v=1787796022"},{"product_id":"onlinemetals-alloy-unpolished-finish-annealed-je260824lhg4urob","title":"4140 Alloy Steel Round Bar, Unpolished (Mill) Finish, Annealed, Cold Finish, ASTM A108, 1.5' Diameter, 36' Length, OnlineMetals","description":"\u003cp\u003e\u003cspan\u003eThe 4140 alloy steel round rod has been cold finished and annealed, has an unpolished (mill) surface, meets American Society for Testing and Materials International ASTM A108 specifications, and has a standard tolerance. The 4140 alloy steel grade contains chromium and molybdenum for high strength and has good machinability. This material can be heat treated for higher hardness. The rod has been cold finished, a process of removing the outer layer to achieve the specified dimensions. The material has been annealed, a method of heating and cooling metal to modify its properties, such as increasing its formability and toughness or decreasing its strength, after it has been shaped.\u003c\/span\u003e\u003cspan\u003eSteel is an iron alloy with carbon and other elements that modify the steel to achieve specific properties. In general, steels with higher carbon content have greater strength, hardness, and wear resistance, while those with lower carbon content have more formability, weldability, and toughness. Carbon steels, which include most AISI-SAE grades in the 1000 range, are classified by their level of carbon content as low (below 0.3%), medium (0.3% to 0.6%) and high (0.6% and above). Alloy steels, which include AISI-SAE grades in the 1300 and 4000 ranges and above, incorporate elements such as chromium, molybdenum, and nickel to modify properties like machinability and corrosion resistance. Tool steels, which include most grades with a letter and number grade designation, have high carbide content for wear resistance, high hardness, and the ability to hold a cutting edge. Some tool steels are designed to resist deformation when used in elevated temperatures.\u003c\/span\u003e\u003cspan\u003eTensile strength, used to indicate a material's overall strength, is the peak stress it can withstand before it breaks. Wear resistance indicates the ability to prevent surface damage caused by contact with other surfaces. Toughness describes the material's ability to absorb energy before breaking, while hardness (commonly measured as indentation hardness) describes its resistance to permanent surface deformation. 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