The head makes 12 points of contact with a wrench to handle more torque than a socket head or hex head screw. The flange distributes pressure where the screw meets the surface, eliminating the need for a separate washer. To install, use a 12 …

Find the 12 Point Bolts (Ferry Bolt) you need at AFT Fasteners. Shop 12 Point Flange Bolts in both metric and inch sizes with great pricing and fast delivery.

12-pin bolts are widely used in aerospace engineering as they allow for bolts to be driven tightly and at high force. Referred to as a ferry bolt or 12-point flange-head cap screw, the flange diameter and head thickness of a 12-pin bolt are similar to standard socket head cap screws.

Instead of the hexagonal head, the 12 point flange bolt is tailor-fitted to accommodate socket head cap screw. This allows for a greater torque when being fastened. You can see this bolt in automotive, mining, aircraft, and manufacturing.

2024年8月13日 · Unlike conventional hexagonal bolts, which have six points for engagement, the 12 point bolts feature twelve points on their heads, offering a more comprehensive surface for gripping and turning.

U-Bolt-It manufactures 12 Point Bolts that have an alternative head design than standard hex socket cap screws recommended for aircraft, mining, transportation, and agriculture manufacturing applications as well as diesel engine and transmission.

ARP stainless steel bolts are rated at 170,000 psi to provide a substantial extra margin of safety over Grade 8 and other hardware. They're available in hex head or 12-point styles and a variety of lengths and sizes for use on cars, boats, trailers, and more. Stock up on these truly maintenance-free bolts so you'll have them when the need arises.

These 12 point bolts are rated at 170,000 tensile strength which is better than grade 8. They have a reduced wrench size (same as diameter of bolt). Zinc II plated. Fully threaded up to 2"

12-Point Head: The head design provides multiple contact surfaces, allowing for high torque transmission without damaging the fastener. Integrated Flange: The built-in flange serves as a washer, distributing the load evenly and reducing material damage.

Twelve Point Flange Screws are an alternative head design for hex socket cap screws. The flange diameter and head height are designed to fit applications and the same counter bored holes designed for standard hex socket cap screws.