Cap Screws

Tradewell Ferromet Pvt Ltd can provide Cold Forged & Hot Forged Aluminum Screw Cap / Special Alloy Aluminum Screw Cap with complete material compliance.Aluminum Screw Cap / Special Alloy Aluminum Screw Cap can be offer as both Metric & Imperial Inch sizes with Coarse, Fine, UNC, UNF, UN, BSW, Acme threads with Continuous Thread, Full Thread, Half Thread, Tap End Thread, Double End Thread & Custom End Thread configuration.Types of coating for aluminum screw cap / special alloy aluminum screw cap that can be offered are electro zinc plating, hot dip galvanizing, ptfe fluorocarbon coating, aluminizing, ceramic filled fluorocarbon coating, nickel plating, zinc coating, electro zinc cobalt plating, electro zinc nickel plating, phosphate coating, electro less nickel plating, electro cadmium plating, dacromert 320 / 500 coating, pickled passivated, silver plating, chrome plating, etc.Special Screw Cap can be avail in various grade materials as mention below:Carbon Steel: Grade 8.8, 10.9, 12Alloy Steel: ASTM A182 F1, F5, F9, F11, F12, F22, F91, F92, AISI 4130, 4140, 4340, EN19, EN24, ASTM A193 B7, ASTM A193, A194, A593, A594, A563, A490, A453, A449, A325, A320, A307, B564, F568, F436, F1554, EN 3506-1, ASTM B16, B5Stainless Steel (SS): 409, 410, 420, 430, 416, 304, 304l, 316l, 316, 310, 347, 347H, 321, 321H, 317, 317L, 316LN, 446C, AISI 660, 254SMO, Alloy 254Precipitation Hardening Steel (PH): 15-5PH, 17-4PH, 17-7PH, 13-8 MODuplex Steel (DSS): 2205, F51, UNS S31803, S32205Super Duplex Steel (SDSS): 2507, F53, UNS S32750, Zeron 100, F55, UNS S32760Inconel: Alloy 600, 601, 617, 625, 690, 702, 706, 713C, 718, 722, 725, 738, X750, 751, 901, 903, 925, 945Incoloy: Alloy 800, 800H, 800HT, 825, 27-7Mo, UNS S31277Monel: Alloy 400, 500Hastelloy: Alloy C22, C276, XCopper(Cupro) Nickel: CU-NI 90/10, CU-NI 70/30Nitronic: Super Alloy 32, 33, 40, 50, 60, UNS S20400, UNS S24100, UNS S24000, UNS S21900, UNS S20910, XM-19, UNS S21800, Alloy 218Nimonic: Alloy 75, 80A, 90High Speed Tool Steel (HSS): M2, M42, Tungsten CarbideMaraging (Vascomax) Steel: C200, C250, C300, C350Invar: Super Alloy 36, 42, 46, 48, 52, 59, NILO 36, 42, 46, 48, 50, Nicrofer 5923, Pernifer 36, 40, 46, 48, 50Kovar: Alloy F15, NILO K, Pernifer 2918Other Super Nickel Alloys: Alloy A286, ASTM A286 GRADE 660A, ASTM A286 GRADE 660B, ASTM A286 GRADE 660C, ASTM A286 GRADE 660D, UNS S66286, WS 1.4980, Waspaloy, AL6XN, UNS S08367, Custom 450, UNS S45000, Sanicro 28, Alloy 20, Alloy 330Titanium: Alloy Grade 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12Bronze alloy: leaded gunmetal alloy lg1, leaded phosphor bronze alloy lpb1, 932, 544, manganese bronze alloy 675, leaded gunmetal alloy lg2, gunmetal alloy g1, g3, 903, 938, phosphor bronze alloy 510, pb1, pb2, naval brass alloy 464, silicon bronze alloy 651, 655, 613, b16 brass, leaded bronze alloy lb1, lb2, lb3, lb4, lb5Aluminum: Alloy 7075, 6061, 2024High Temperature Alloys: 25CrMo4, DUREHETE 1055, DUREHETE 900 T22, 21CrMoV5.7, DUREHETE 950 T31Various applications of Aluminum Screw Cap / Special Alloy Aluminum Screw Cap are boiler & heat exchanger manufacturers, petroleum refining units, metal processing & mining, nuclear, power plants, oil & gas extraction rigs, chemical processing plants, food processing units, marine industries, aerospace, heavy equipment, automotive, general industrial, electronics & telecom, infrastructure, military, refining, replacement parts, bridges, construction, etc.

Button screw covers (or screw caps) are simple plastic accessories designed to snap or plug over exposed screw heads. They provide a clean, finished look to roofing while protecting the screws from dust, moisture, and rust