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  Bolt

  Reduced shank, heavy hexagon screws, eye bolts Hexagon head bolts, small, full thread, cap square neck bolts DIN 933, GB 5780, JIS B1180, ANSI ASME B18.2.1, ect.
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  Nut

  Hexagon nuts, hexagon weld nuts, acorn hexagon nuts Nylon insert locknuts, square nuts, cap nuts, jam nuts DIN934, GBT6183.1, HGT20634, ISO4035, IFI145, ect.
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  Stud

  Threaded rods, continuous thread studs Double end studs bm=1.5d, bm=1.25d, bm=1d DIN976, ASME B18.31.2, IFI 136, GBT899, GBT898, etc.
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  Screw

  Hexagon socket set screws with flat point, cone point Cross recessed raised countersunk head tapping screws DIN912, JIS B1176, ISO4762, GBT70.1, DIN7504 A, ect.
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  Gromment

  Spring lock washer, single coil spring lock washers Plain washers for bolts with heavy clamping sleeves JIS B1251, GBT93, DIN7349, ASME B18.21.1, etc.
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  Assembly

  Bolts, sleeves, single coil spring lock washer and plain washer assemblies Hexagon socket button head screws and single coil spring lock washer assemblies Hexagon head bolt, single coil spring lock

Shandong Tengda Fasten Tech. Co., Ltd. was established in 2015 and is located in Tengzhou Economic Zone 1999 Luban Avenue North Road, Development Zone, covering an area of 136965 square meters. Our company specializes in fasteners The business of automotive parts, metal products and their processing adopts independent research and development innovative processes, here are tens of thousands of specifications for standard and non-standard fastener products, which are widely used in high-speed rail in the fields of nuclear power, communication, new energy, mechanical equipment, petrochemicals, etc., we are a qualified supplier of China National Nuclear Corporation and one of the top 100 suppliers in China's petrochemical industry.