Grade 8.8 Carbon Steel Black Carriage Bolt is high tensile mushroom head square neck carriage bolt.M10*50 carriage bolt 8.8 grade M15*90 mushroom head square neck carriage bolt are welcomed sizes.Plain surface, black oxide finish, hot dip galvanized and zinc plated surface are all regular treatment ways for 8.8 grade carriage bolt.
Grade 8.8 Carbon Steel Black Carriage Bolt have round heads, differentiating them from hex bolts. You will likely find these bolts in wooden applications in carpentry, allowing you to attach metal to wood.
Specifications:
Place of Origin:Hebei, China
Material:Carbon Steel
Size:M2-M20
Surface Treatment:Black
Standard:DIN/GB/ISO/ANSI
grade:8.8
Supply Ability:50 Ton/Tons per Week
Type:Precision Nonstandard Parts(OEM Service)
