40 Sets Black M6 Connecting Bolts Cap Nuts Assortment Kit and 2pcs matching drive tool.
Mainly functions :combination, connection, fixing, and wear resistance.
Installation -Insert the screw into the hole on one end and insert the nuts to cover the screw on the other end. Lastly, use the M4 wrench tighten the bolts nuts.
Recommended size -Applicable Hole Size 3.15"(8 mm); Thickness applicable to objects to be locked: minimum 35 mm,maximum 46 mm,.
Application - used as a fastener to connected, Fit for all kinds of DIY art, leather crafts, and clothing making. Such as Baby Bed Furniture, thin photo albums, decorative bags, belts, leather bags, sandals, boots, etc.