Specification Brand : SG TZH BulletPoint : 100 Pieces Total BulletPoint1 : RICH PACKAGES AND PARAMETERS - SG TZH package contains 80Pcs wood thread inserts: 5/16" -18, inserting head ⌀: 0.55" / 14mm, body ⌀: 0.385" / 9.78mm, thread ⌀: 0.5" / 12.7mm , threads diameter⌀: 0.512" / 13mm. BulletPoint2 : FIRST-CLASS QUALITY AND EXQUISITE CRAFTSMANSHIP - This threaded inserts for wood are made of high-quality carbon steel, the surface is plated with Yellow zinc, has excellent hardness and wear resistance, is not easy to rust and oxidize, and the standard hex socket head is smooth, with flanged thread texture, more stable and non-slip. BulletPoint3 : WIDE RANGE OF APPLICATIONS - 5/16" -18 threaded inserts are ideal solution for soft woods, plywood, MDF, and composition board. BulletPoint4 : EASY TO USE AND INSTALL - Our threaded inserts are easy to use, just drill a hole of appropriate size at the place of use, and then use a hexagonal wrench or other optional drive tools to install (Tips: 29/64" (11.5mm) or 15/32" (12mm). On Hard wood such as white oak or maple, recommended drilling: 15/32" (12mm), 31/64") BulletPoint5 : CONVENIENT STORAGE AND CUSTOMER FIRST - Compact design, easy to carry, packed in a bag that allows you to access them easily, stay together at all time, make them easier to use, compact design, easy to carry, do not worry about loss and clutter. We focus on customer experience and product quality, and if you have any questions, we offer 24-hour online service. Color : Bronze CompatibleGrooveDiameter : 0.25 inches CustomerPackageType : Standard Packaging DriveSystem : External Hex ExteriorFinish : Yellow Zinc,Carbon Steel ExternallyAssignedProductIdentifier1 : 791755492805 ExternallyAssignedProductIdentifier2 : 0791755492805 FinishType : Polished GradeRating : industrial ItemName : SG TZH 80Pcs Threaded Inserts for Wood Nutsert Screw 5/16" -18 x 13mm Hex Drive Furniture Wood Nuts (with Hex Spanner-Bronze) ItemPackageDimensions_Height : 24.3078 centimeters ItemPackageDimensions_Length : 2.1082 centimeters ItemPackageDimensions_Width : 16.1036 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : hardware-nut-inserts Manufacturer : SG TZH Material : Steel Material1 : Bronze Material2 : Steel MeasurementSystem : Inch MeasurementSystem1 : Metric MeasurementSystem2 : Inch MetalType : Stainless Steel MetalType1 : Carbon Steel MetalType2 : Bronze ModelNumber : GB-5021 NumberOfItems : 80 NumberOfPieces : 80 PartNumber : GB-5021 ProductDescription : 1 ProductSiteLaunchDate : 2021-05-20T06:47:32.883Z Size : 5/16"-18 x 13mm Style : Kindroufly Nut Inserts SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 31161700