grade 4 8 countersunk carriage bolts

Brand Name:TOBO/TPCO/TISCO/VALIN/METAL

Model Number:DIN603

Place of Origin:China/Japan/Germany

... Carriage Bolt With Hex Nuts Countersunk Carriage Bolt Product Name Carriage Bolt Material stainless steel, Carbon steel Finished Zinc Plated,Hot Dip Galvanized Steel,Dacromet,Nickel Plated,Black Oxide,Plain Grade Grade 4.8,Grade 8.8,Grade 10.9,Grade ...

Brand Name:Polestar/According to customer's demand

Place of Origin:China

.... 3. Head: Hexagon, hex flange, hex socket, mush head square neck, guard rail, square, T-head, flat countersunk , cup, etc. Description: Production scope: a) Diameter: M3 - M45 b) Length: 25mm- 2,500mm (1--60) c

Place of Origin:China

Model Number:M4-M48

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Brand Name:JIA SHAN

Model Number:DIN603

Place of Origin:China

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Model Number:M3,M4,M5

...matched with nut to fasten and connect two parts with through-hole 2. There are hexagonal head, round head, square head, countersunk head and so on. Hexagonal head is the most commonly used. General countersunk head is used for required connection 3. The