Q235 Galvanized Hex Head Bolts , Stainless Steel Carriage Bolts Long Service Life

Q235 Galvanized Carriage Bolts Of Black Surface Can Be Use For Fastening Connections

Product Description

Carriage Bolt ,Coarse Thread. A carriage bolt, also known as a coach bolt, has a domed or countersunk head,

and the shank is topped by a short square section under the head.

The square section grips into the part being fixed (typically wood), preventing the bolt from turning when

Carriage bolts according to head size is divided into large round carriage bolts (corresponding to the standard GB / T14 and DIN603), small round head carriage bolts (corresponding to the standard GB / T12-85). Carriage bolts, a type of fastener consisting of a head and a threaded rod (externally threaded cylinder), intended to mate with nuts for the secure attachment of two parts with through holes.

Specification

Material: carbon steel, Q235, 45 # steel, stainless steel
Nominal diameter: 5mm - 20mm
Length: 15mm - 300mm
Surface treatment methods: zinc, chrome, copper, blackening the surface

parameter

Diameter	Length	Head Type	Finish
M6	20-150mm	Cup Head	Galvanised
M8	20-180mm	Cup Head	Galvanised
M10	25-400mm	Cup Head	Galvanised
M12	40-500mm	Cup Head	Galvanised
M16	45-500mm	Cup Head	Galvanised
M20	50-600mm	Cup Head	Galvanised

Handan city Yongnian District Maide Fasteners Co. Ltd

Handan Maide Fastener Co.Ltd has own factory and the factory has over 15years experience in fasteners products. Our factroy occupied5000 square meters,and located in the largest distribution center of fasteners--Yongnian district，North of Handan in Hebei.

We mainly produce DIN,GB,ISO,ASTM hex nuts ,hex bolts,flat washers and so on.Our company always adhere the business philosophy of the people as base,the market as core and keep learning the high -quality management experience from successful enterprise and introducing advanced technology at home and abroad.

In addition，Our company promise with our excellent reputation and good service attitude that we will provide high quality of products and good after-sales service to the domestic and overseas customers, warmly welcome new and existing clients to visit our company to negotiate.