Gold Member Since 2014
Audited Supplier
Ningbo Transhow Screw Factory

Railway Bolt, Highway Bolt, Subway Bolt manufacturer / supplier in China, offering Medium Carbon Steel Dacromet Coated Railway Bolts, Carbon Steel Big Round Flat Head Bolt, Plastic Box Packed Nylon Lock Nut and so on.

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Supplier Homepage Product Bolts Carriage Bolt Medium Carbon Steel Dacromet Coated Railway Bolts

Medium Carbon Steel Dacromet Coated Railway Bolts

FOB Price: US $0.46 / Piece
Min. Order: 100,000 Pieces
Min. Order FOB Price
100,000 Pieces US $0.46/ Piece
Get Latest Price
Production Capacity: 300 Tons/Month
Transport Package: Small Box, Bag, Polybag, DIY Box, Carton, Pallet
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: M16-2.0x40mm
  • Type: Mushroom Head
  • Head Style: Round
  • Grade: 9.8
  • Finish: Hot Galvanizing
  • Quality: DIN Standard Class 9.8
  • Trademark: TS
  • Origin: Zhejiang China
  • Material: High Strength Steel
  • Connection: Common Bolt
  • Standard: DIN, ANSI, GB, JIS, BSW, GOST
  • Application: Building
  • Color: Silver Grey
  • Specifications: DIN/ISO/ANSI
  • Specification: DIN, BS, JIS, ANSI
  • HS Code: 731815
Product Description
Mushroom Head Railway Bolt
Hight Strength Rail Bolt
Dacromet Coated
Size M16x40mm
Alloy steel, Class 8.8
Min 500 Hrs NSS testing pass
Size M10 up to M16, 3/8" up to 5/8"
Packing in plastic bucket
600 pcs one bucket


Transhow Fasteners, manufacture various bolts, hex bolts, round head bolts, square head bolts,
T head bolts, dog head bolts and other customized bolts, special use bolts.

Metric standard bolts as DIN, EN, ISO, GB, JIS, AS, UNI, etc.
Inch standard bolts as ASME/ANSI, ASTM/SAE/IFI, BS, etc.
Material used for producing the bolt could be carbon steel, alloy steel, stainless steel and brass.
Headed bolts for size below M24 (or 1 inch) generally Cold forged and bigger sizes will be hot forged.
For various corrosion resistant and strength purpose, our bolts could be further treated such as heating, black oxide, zinc coating, hot dipper galvanizing, black zinc coating, brass coating, nickle and chrome plating, dacomate, etc. Interested buyers please contact us now!

Round Head Square Neck Bolts, Carriage Bolts, Coach Bolts

Carriage bolts, also called coach bolts, have a mushroom-like head with a square neck. Its 1-piece forged from carbon steels, used through iron strengthening plates on either side of a wooden beam. Its commonly used into bare timber, the squared section giving enough grip to prevent rotation. The square neck design under the head makes the bolt self-locking when placed through a square hole, or a round hole in most wood

Round head square neck bolts usually assorted with hex flange nuts or hex nuts. The general supplies are made of low carbon steels, middle carbon steels (low grade and high strength), stainless steel 18-8, grade 304 and 316.
The metric standard carriage bolts are DIN 603 with material class 4.8, 6.8 and 8.8.
Inch standard carriage bolts, ANSI/ASME B18.5 dimensions and drawings.
Carriage Bolts or coach bolts, are generally zinc plated or hot dipper galvanized. For higher anti-corrosion requirements, the dacromate coating or ruspert coating available or combination coationg could be used.
Transhow's regular supply on round head square neck carriage bolts are from metric size M6 up to M16, inch size from 1/4" up to 5/8". If you require customized carriage bolts or the related round head square neck bolts, kindly contact us directly for details.
Bolt HeadHexRoundMushroomSquareOVALCSK
MaterialCarbon SteelStainless SteelAlloy SteelBrassCopperBronzeAluminium
Grade/Metric4.86.88.810.912.9

Grade/ANSIA307-AA307-BA307-CJ429 Gr 2J429 Gr 5J429 Gr 8J429 Gr8.2
StandardsDINISOGBANSIJISBSUNI
ThreadsUNCUNF2A3AT threadsLeft ThreadISO
Steel GradeC1035C1045C1020C1010Q235A3Q195
SurfacePlainBlackZincYZPDacrometRuspertNickle
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