A LARGEST SUPPLIER OF FASTENERS. NINGBO WEIYE CORP. IS A LARGEST CHINESE SUPPLIER OF FASTENRS. SINCE 1996, WEIYE OWN 6 FACTORIES, THE FIRST IS FOR NUTS, THE SECOND IS FOR BOLTS, THE THIRD IS FOR WASHERS, THE FOURTH IS FOR STEEL ANCHOR BOLTS, THE FIFTH IS FOR NYLON & PLASTIC FASTENERS, THE LAST ONE IS FOR STEEL HOSE CLAMP & HARDWARE. \r\nPRODUCTS LIST STANDARDS: IFI , DIN, UNI, B. S. , JIS¡# \r\nMATERIALS: LOW CARBON STEEL, MILD CARBON STEEL, STAINLESS STEEL, ETC. \r\n\r\nNUTS SERIES:\r\n1.) DIN934-8 : M22 ~ M160 2.) DIN555-5 : M22 ~ M160 3.) DIN936-17H : M22 ~ M1004.) DIN436-17H : M22 ~ M1005.) DIN937-17H : M12 ~ M566.) DIN935-8 : M14 ~ M647.) DIN985-8 : M22 ~ M648.) DIN1587-6 : M4 ~ M309.) ISO4032 : M22 ~ M10010.) UNI5587 : M22 ~ M6411.) DIN557-5 : M16 ~ M4812.) IFI D-6 : 7/8" ~ 4"13.) IFI D-12 : 7/8" ~ 6"14.) IFI JAM : 7/8" ~ 4" 15.) IFI SLOTTED : 7/8" ~ 3"16.) B. S. 916 : 7/8" ~ 2-1/2"¡#\r\n\r\nWASHERS SERIES:\r\n1.) USS FLAT : 3/16¡± ~ 3¡±2.) SAE FLAT : 6# ~ 2¡±3.) SQUARE : 1/4¡± ~ 3¡± 4.) FENDER : ALL SIZE5.) SPRING : 1/4¡± ~ 1-1/26.) DIN : 125, DIN9021, DIN127, DIN4367.) CUP WASHER, O.G. WASHER, CRESENT WASHER...\r\n\r\nBOLTS SERIES:1.) DIN931-8.8 : M12 ~ M100 Length: 70mm ~ 1000mm2.) DIN933-8.8 : M12 ~ M64 Length: 70mm ~ 500mm3.) DIN601-4.8 : M8 ~ M100 Length: 70mm ~ 1000mm4.) DIN603-4.8 : M8 ~ M36 Length: 60mm ~ 1000mm5.) DIN912-8.8 : M16 ~ M100 Length: 60mm ~ 1000mm6.) DIN7990-8.8 : M22 ~ M36 Length: 60mm ~ 300mm7.) IFI: 307 A-6: 3/8" ~ 3/4" Length: 7" ~ 40" (A-10): 7/8" ~ 3" Length: 4" ~ 40"8.) IFI: 307B : 3/8" ~ 3/4" Length: 7" ~ 40" 7/8" ~ 3" Length: 4" ~ 40"9.) SQ/SQ BOLTS : M16 ~ M42 LENGTH: 150mm ~ 800mm10.) U-BOLTS & THREADED RODS....\r\n\r\nHOSE CLAMP & ANCHOR BOLTS SERIES:\r\n1). DROP IN ANCHOR 2). WEDGE ANCHOR3). SLEEVE ANCHOR 4). HAMMER DRIVE5). STEEL HOSE CLAMP 6). NYLON & PLASTIC7). STEEL CLAMP M6, M7, M8 & WITH RUBBER8). EXPRESS NAIL 9). FIXING BOLTS¡#\r\n\r\n