| | Types | Bolt :- hex bolt, round bolt, square bolt, dom bolt, carrige bolt, u & j bolt, slotted bolt, coupling bolt etc. | | Nut :- hex nut, thin nut, castle nut, dom nut, cap nut, self lock nut, flange nut, square nut, etc. | | Materials | Carbon steel, stainless steel, low temperature carbon steel, alloy steel, steam boiler quality, | | I. E various grades nickel, monel, incoloy, hastelloy, inconel, cupronickel & titanium |
| | Materials grades / standard / specification : |
| | Stainless steel: | AISI 302, 304, 304L,316, 316L, 310, 410, 420 etc. : 4. 6 , 5. 6, 6. 6, 8. 8, 10. 9 & 12. 9 / 'R', 'S', 'T' conditions. | | Carbon steel: | Hot deep galvanized, bloodied, nickel chrome plated, etc. | | Alloy steel: | Bare condition, galvanized, phosphetised, cadium plated, | | Others: | Monel, nickel, inconel, hastalloy, copper, brass, bronze, titanium, tantalum, bismuth, aluminum, | | High speed steel, zinc, lead, etc. | | dimensions: | DIN, ANSI, AISI, ASTM, JIS, BS, GOST, IS & specalist in drawing based fasteners | |