200pcs M4×6.5×6.5×3mm Square Nuts Rectangular Nuts Carbon Steel Galvanized

★ 304 stainless steel is used, which is not easy to rust. ★ the square head of the square head bolt is large, which is convenient for the wrench to clamp. It can also be used in the parts with T-shaped groove to adjust the bolt position. Grade C square head bolts are often used on rough structures. Square head bolts are the same as hexagon bolts, but the square head size of such bolts is large and the stress surface is large. They are often used in rough structures and can also be used in parts with T-shaped grooves to adjust the bolt position. ★ nuts can effectively make the connection of objects more solid and compact. It can be used in the automobile industry, agricultural machinery industry, construction machinery industry, shipping industry and other places. The household appliances and cars we usually use need nuts for reinforcement, which is very practical.

• Material: Carbon Steel, Finish: Galvanized, Grade: 4.8
• Size name: thread diameter × width × length × thickness
• Thread diameter:4mm,pitch：0.7mm
• Nut width:6.5mm,length:6.5mm,thickness:3mm
• Packing Quantity:200pcs