5/16-18 X 4" Socket Head Cap Screws Bolts, 12.9 Grade Alloy Steel, Black Oxide
$ 9.71
Description
5/16-18 X 4" Socket Head Cap Screws Bolts, 12.9 Grade Alloy Steel, Black Oxide. Finish Types Black Oxide. Fastener Size M1.4. Fastener Type Socket Head. Exterior Finish Black Oxide. Thread Type Partial Thread. Head Style Socket. A basic black oxide finish provides a layer of protection and a clean appearance for typical industrial use. Store New Arrivals Add to Favorite View Feedback Contact 5/16-18 X 4" Socket Head Cap Screws Bolts, 12.9 Grade Alloy Steel, Black Oxide Description Material Alloy Steel Number of Items 10 Material Type Alloy Steel Drive System Internal Hex Thread Size 5/16"-18 Finish Types Black Oxide Grade Rating Class 12.9 Number of Pieces 10 Size Name 5/16-18 x 4" Thread Style Right Hand Thread Type Partial Thread Compatible Groove Diameter 0.34 Inches Metal Type Alloy Steel, Stainless Steel Fastener Size M1.4 Unit Count 10.0 Count Item Hardness 12.9 grade Thread Coverage Partially Threaded Screw Point Style Machine Head Style Socket Thread Class 12.9 Model AB530211-10 Exterior Finish Black Oxide Part Number AB530211-10 Fastener Type Socket Head Number Of Items 10 Color Black Head Type Socket Screw Head Style Socket Size 5/16-18 x 4" Key Specs: 5/16-18 x 4"; Head Diameter: 0.446" – 0.469" (11.32 – 11.9 mm); Head Height: 0.312" (7.92 mm); Drive Size: 1/4" Allen Hex; Thread: Partial; Package: 10 PCS Engineered from high-tensile 12.9 grade alloy steel, this bolt offers the ultimate in mechanical strength and load-bearing capacity. The added black oxide finish provides a basic layer of corrosion resistance and a clean, non-reflective appearance suitable for most industrial environments The knurled (grip) pattern around the head allows for easy finger-tightening and tool grip in oily or gloved conditions. The internal hex drive enables high-torque installation with superior force transfer and minimal risk of stripping or cam-out Engineered for Structural Components & Drive Systems: Used in drive shaft couplings, pump mounts, agricultural implement linkages, and off-road vehicle suspension brackets. Its strength is critical for torque-transfer and load-bearing joints in demanding mechanical systems The unthreaded shoulder (grip length) is designed to act as a precise dowel, providing accurate alignment and minimizing side movement in clearance holes. This design concentrates clamping force directly under the head, maximizes shear strength, and significantly reduces the risk of thread fatigue and fretting in high-vibration applications, such as machinery links and dynamic structural joints Elevate your critical assemblies with our professional-grade 12.9 Alloy Steel Knurled Socket Head Cap Screws Unmatched Strength: 12.9 Alloy Steel vs. 304 Stainless Steel Choose 12.9 for ultimate mechanical performance; choose 304 for superior corrosion resistance in harsh environments. A basic black oxide finish provides a layer of protection and a clean appearance for typical industrial use Optimized Thread Design: Full Thread vs. Partial Thread Our series offers both Full Thread and Partial Thread options to match your specific engineering needs. Full Thread Screws are versatile for general use, ideal for through-hole applications, joining thick materials, or when used with a nut, providing maximum thread engagement along the entire length. Partial Thread Screws feature a precise unthreaded shoulder (grip length). This design acts like a dowel, ensuring perfect alignment, maximizing shear strength, and concentrating clamping force directly under the head—making them the preferred choice for precision-machined parts, dynamic joints, and high-vibration applications. ABOUT US We offer the best prices around on high quality products. Our E-store includes media such as books, movies, music and games while offering electronics, toys, sporting apparel, clothing, tools, general home, garden items and more. SHIPPING We are always working hard to ensure your package arrives as soon as possible. Please understand that some factors like weather, high postal traffic, and the performance of shipping companies are outside of our control. We offer free shipping to the lower 48 states and ship within 2 business days of payment, usually sooner. We do not accept P.O. Boxes. Please provide a physical address. For shipping outside of the continental USA, we only use eBay's Global Shipping Program.The item is shipped to KY and then sent to the rest of the world. International customers are responsible for all duties and taxes. Continue to check out in order to calculate costs for shipping the item to your country. Messages regarding eBay's Global Shipping Program MUST be directed at eBay EXCLUSIVELY. RETURNS We offer a 30-Day Return Policy on items which you are not completely satisfied with. You have the option for a full-refund or an exchange of the item. No returns are available on items shipped outside of the USA. PAYMENT We accept PayPal. CONTACT US This page content is yet to come Please ad us to your favorite seller and visit again later Thank You CUSTOMER SATISFACTION We try our very best to make sure every customer is completely satisfied. If there's a problem, message us! We're happy to help. WE ACCEPT Copyright © 2021 AutoDS. | All Rights Reserved
