Quality Inspection for Din Standard Hex Bolts - Carriage Bolt – Ji Luo Fastener
Quality Inspection for Din Standard Hex Bolts - Carriage Bolt – Ji Luo Fastener Detail:
The carriage bolts are divided into large half round head carriage bolts (refer to standard GB/T14 and DIN603) and small half round head carriage bolts (refer to standard GB/T12-85). The carriage bolt is a kind of fastener consisting of head and screw (cylindrical body with external threads). It needs to cooperate with nuts ,to fasten and connect two parts with through holes.
Material: Carbon steel, Q235, 45# steel, stainless steel
Nominal diameter: 5mm-20mm
Length: 15mm – 300mm
Surface treatment: galvanizing, chromium plating, copper plating, surface blackening
The carriage bolt is applied in the groove. The square neck is stuck in the groove during the installation process, which can prevent the bolt from turning. The carriage bolt can move parallel in the groove. Because the head of the carriage bolt is round, there is no design of the cross groove or the inner hexagon, which can also play an anti-theft role in the actual connection process.
Product detail pictures:
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By Cara from Algeria - 2015.05.13 17:00
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By Dana from Jamaica - 2015.12.11 11:26