12.9 Class Black Oxide M6 Hex Cup Socket Head Cap Screws Bolts
Specification
Material:Carbon Steel
Product name:Hex Socket Cap Screw
Standard:DIN912
Size:for example：M3*30mm（Diameter 3mm Thread length 30mm）Not include head length
Surface treatment:Black
Pitch: Coarse pitch M5-0.8 pitch
Coarse pitch M8-1.0 pitch
Package description:Plastic bag / carton
Product strength:High quality Grade12.9
Bolt lengths are measured from the underside of the head.
Package included:
as you choose
Please note that positive and negative tolerance exist
Reference specifications is composed by D * L (excluding head)
Nuts’ size, flat washers’ size, retaining rings’ size etc.:are according to supporting the use of screw diameter (thickness) prevail.
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