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|Material:||Stainless Steel 304||Hardness:||HRC60|
|Thread Length:||40 Mm||Head:||Mushroom|
Polishing Hardware Nuts Bolts Mushroom Head SS M6 Carriage Bolts Square Neck
Stainless Steel Carriage bolts are known as coach bolts or round head square neck bolts , formed a mushroom head without drive socket , a square neck underneath head and shaft with threads from end to neck ; Square neck of stainless steel carriage bolt is with self-locking function , it prevents bolt from moving or backing out when bolt is driven into material .
Normally , stainless steel carriage bolts with machine threads for working with a nut like hex nut or square nut or a round nut , it has to be operated by a tooling like spanner or a wrench ; Stainless steel carriage bolt is with security purpose as well , no head drive socket , it is screwed in or out via handle nuts from opposite side .
Mushroom head carriage bolts are made from stainless steel with grade 304 .
Stainless steel carriage bolts standard based on DIN 603 from M5 to M20 , other dimensions can be customized .
Normal tolerances are +/-0.1 mm , and refer to DIN 2768 or ISO 4759for unspecified tolerances . tolerances are different for different legnths .
|0.3 ～ 3||03 ～ 6||6 ～ 30||30 ～ 120||120 ～ 400||400 ～ 1000|
|+/- 0.1||+/- 0.1||+/- 0.2||+/- 0.3||+/- 0.5||+/- 0.8|
Features for shoulder screws
1 , High tensile strenth
2 ,No Magnet
3 , Corrosion resistance
4 , Long service
5 , Easy to be operated
6 , Security Purpose
Property class 304
1 , Drill hole in material with depth as the length " L " of stainless steel carriage bolts
2 ,Insert stainless steel carriage bolts into holes .
3 , Screw nut or nuts onto threaded shaft of carriage bolt from another side till head of carriage bolt is sunken into or onto surface of hole .
Stainless steel carriage bolts are packed in boxes with cartons or poly bags with cartons in bulk .