521pcs Carbon Steel Bolt and Nut Assortment Kit - Grade 8. Hex Serrated Screws with Coarse & Partial Threads

This 521-piece fastener assortment kit is engineered for heavy-duty applications, featuring Grade 8 carbon steel hex serrated bolts and matching nuts. It offers both coarse and partial threads to meet diverse assembly and repair needs, making it a versatile choice for professionals and DIY enthusiasts.
Crafted from Grade 8 carbon steel, each component delivers exceptional tensile strength and durability. It can withstand high loads and stress, making it ideal for mechanical repairs, construction projects, industrial equipment maintenance and heavy-duty DIY tasks.
The hex serrated design of the bolts provides a secure grip during installation, reducing the risk of slipping even under torque. The dual thread options—coarse threads for quick assembly and partial threads for enhanced holding power—adapt to different materials like metal, wood and plastic. Organized packaging keeps all components sorted by size and thread type, ensuring quick access and convenient storage.

Features & Specs

• Drive System : Cross
• Head Type : Binding
• Screw Head Style : Binding
• Thread Size : #0-80
• Thread Style : Left Hand
• Thread Type : Bsf

Item details

• ASIN : B0GKNKH22L
• Brand : Generic
• Color : One Color
• Manufacturer : Generic
• Model : WWBCBADEJ
• Number Of Items : 1
• Part Number : WWBCBADEJ
• Unit Count : 1.0 Count

Materials & Care

• Exterior Finish : Alloy Steel
• Material Type : Acrylic
• Metal Type : Alloy Steel

Measurements

• Item Dimensions : 3.94 x 3.94 x 3.94 inches
• Size Name : One Size
• Thread Coverage : Fully Threaded
• Thread Size : #0-80