Specification Brand : uxcell BulletPoint1 : [Basic Information] Thread Size: M4x0.7mm; Overall Nut Size: 4x4mm/0.16"x0.16"; Wing Nut Total Size: 17x9mm/0.67"x0.35"(W*H); Overall Flat Washer Size: 9x4x0.8mm/0.35"x0.16"x0.03"(OD*ID*T); Spring Washer Size: Ø4.3x1.1x1.1mm; Package Content: 10pcs x Wing Nuts; 10pcs x Flat Washers; 10pcs x Spring washers. BulletPoint2 : [Material] Made of 304 stainless steel, the surface is smooth and burr-free. It has high hardness, is rust-proof, and has anti-corrosion and high-temperature resistance. It is sturdy and durable, not easily deformed, and can be used for a long time. BulletPoint3 : [Features] The surface of the butterfly nut is smooth and has no sharp edges. It has a wing on each side, the butterfly-shaped design can increase the load-bearing surface on the sides, making it stronger after installation. BulletPoint4 : [Easy to Install] This wing nut with flat washers and spring washers is easy to install and remove. The special wing design allows you to tighten or loosen it by hand without tools easily, and it will not fall off easily after installation. BulletPoint5 : [Wide Application] Butterfly wing nuts can be used in industrial manufacturing, electric power, communication equipment, automobile, and other industries, and can also be used to fix blinds, folding chairs, quick clamps, furniture, shelves, etc. BulletPoint6 : Feature: If You Are Unsure If This Is the Correct Part for Your Vehicle BulletPoint7 : Built Standard: Care to Meet Industry Standards for Quality Control, Ensuring Reliable and Consistent ItemName : uxcell 10 Set Wing Nut and Flat Washers Spring Washers, M4x0.7mm 304 Stainless Steel Butterfly Wing Nuts Hand Tighten Wing Nuts for Machinery Electronic Equipment ItemPackageDimensions_Height : 1.1 inches ItemPackageDimensions_Length : 6.1 inches ItemPackageDimensions_Width : 2.95 inches ItemPackageQuantity : 30 ItemTypeKeyword : wing-nuts Manufacturer : uxcell ModelNumber : A86507-TWO_W712314-S300 NumberOfItems : 30 PartNumber : f24041100ux0861 ProductDescription : Description: [Material] Made of 304 stainless steel, the surface is smooth and burr-free. It has high hardness, is rust-proof, and has anti-corrosion and high-temperature resistance. It is sturdy and durable, not easily deformed, and can be used for a long time. [Features] The surface of the butterfly nut is smooth and has no sharp edges. It has a wing on each side, the butterfly-shaped design can increase the load-bearing surface on the sides, making it stronger after installation. [Easy to Install] This wing nut is easy to install and remove. The special wing design allows you to tighten or loosen it by hand without tools easily, and it will not fall off easily after installation. [Wide Application] Butterfly wing nuts can be used in industrial manufacturing, electric power, communication equipment, automobile, and other industries, and can also be used to fix blinds, folding chairs, quick clamps, furniture, shelves, etc.