Types
Manufacturing Process Adopted are Cold Forged, Hot Forged & Bar Stock Machined. Screws without Threading, Forged Blanks can be manufactured on request along with CNC machined Process.
Size Range
Imperial size Range from #0000 upto #12 and 1/4″ upto 6″ in accordance with ANSI / ASME B1.1 Edition 2012.
Threading Specification
Unified Coarse, Unified Fine, 8 UN Threads in accordance with ANSI / ASME B1.1 2A / 2B Edition 2012.
Surface Treatments
Ceramic Coating: Xylar 1 / 101 / 2 / 201, TakeCoat 1000 / TakeCoat Ceramic 1, Sermagard 1105 / Sermagard 1280, ASTM F1428
Dacromet: 320 / 500 / ID / T, DacroBlack 107 / 127 / 135, DacroLub 15 /10, Zinc Flake Coating, Aluminium Flake Coating, ASTM F1136M, EN 13858, EN ISO 10683
Other Platings: Molykote, Shrerdizing, Cadmium / Nickel / Zinc Plating, Phosphating,
Standard Specification
ASTM A193 / ASME SA193: Alloy Steel and Stainless Steel Screws for High Temperature or High Pressure Service
ASTM A320 / ASME SA320: Alloy Steel and Stainless Steel Screws for Low Temperature Service
ASTM A1014 / ASME SA1014: Precipitation Hardening Screws (UNS N07718) for High Temperature Service
ASTM A1082 / ASME SA1082M: High Strength Precipitation Hardening and Duplex Stainless Steel Screws for Special Purpose Applications
ASTM F2281 / ASME SF2281: Stainless Steel and Nickel Alloy Screws for Heat Resistance and High Temperature Applications
ASTM A453 / ASME SA453: Precipitation Hardened Screws for High Temperature Service
ASTM A638 / ASME SA638: Precipitation Hardening Iron Base Super alloy Bars, Forgings, and Forging Stock for High-Temperature Service
ASTM F593 / ASME SF 593: High Tensile Cold Worked / Strain Hardened Stainless Steel Hex Cap Screws and Socket Head Cap Screws
ASTM F468 / ASME SF468: Nonferrous Hex Cap Screws and Socket Head Cap Screws for General Use
ASTM F 837 / ASME SF 837: Stainless Steel Socket Head Cap Screws
ASTM F 879 / ASME SF 879: Stainless Steel Socket Button and Flat Countersunk Head Cap Screws
ASTM F880 / ASME SF 880: Stainless Steel Socket, Square Head, and Slotted Headless-Set Screws
Materials
Martensitic / Ferritic Stainless Steel 409, 410, 416, 420 & 430F
Super Austenitic Stainless Steel 904l, 254-Smo, Alloy 20, Al-6xn & Alloy 330
Precipitation Hardening Stainless Steel Alloy A-286, A453 GRADE 660, 17-4 PH, 15-5 Ph
Nitronic 50 , 60 ( xm-19); Nimonic 75, 80A, 105, 90, 263; Nickel 200, 201
Inconel 600, 601, 602, 603, 617, 625, 686, 718, X-750, 701
Incoloy 800, 800H, 800HT, 825, 925, 926
Hastelloy C276, C22,C-2000,B, B2, B3, G30, X, N
Titanium Grade1, Grade2; Silicon Bronze C651, C655, C656; Copper Nickel 90/10, 70/30
Chrome Moly Steel 25CRMO4, 21CRMOV5-7, 42CRMO4, 42CRMOV4-6
Duplex 32205 (F60), 31803 (F51);Super Duplex 32750 ( F53) , 32760 (Zeron 100), (F55)
Ferralium 255, 255FG46; Monel 400, K-500, R405
Aluminium Alloy 2024, 6061, 7075; Leaded Gunmetal LG4
Low Temperature: EN 10269 1.7218, 155680, 1.7725
High Temperature: 1.1181, 1.7218, 1.7255, 1.7709, 1.4923