A Hexagon Bolt is a threaded fastener with a hexagonal head shape, and are designed to be installed using a spanner. Hexagon bolts are favoured for their robust shape, which makes them suitable for more heavy-duty fastening applications. Hexagon bolts are also generally available in larger sizes than alternative fasteners. As their name suggests, Full Thread Hexagon Bolts are fully threaded. This type of bolt is required when the shaft of a fastener is being inserted completely into a threaded hole. Fully Threaded Bolts are often used to securely fasten two threaded sections together. Made from 18-8 stainless steel, Fullerkreg? brand screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head. Screws that meet ASME specifications comply with these dimensional standards.DIMENSIONS: Diameter: 3/8" | Length: 4" | Thread Type: 16 tpi Coarse Thread (Standard) Package includes four each of bolts, hex nuts , Flat Lock washers Product Description What Are Hexagon Bolts? A Hexagon Bolt is a threaded fastener with a hexagonal head shape, and are designed to be installed using a spanner. Hexagon bolts are favoured for their robust shape, which makes them suitable for more heavy-duty fastening applications. Hexagon bolts are also generally available in larger sizes than alternative fasteners. Full Thread Hexagon Bolts As their name suggests, Full Thread Hexagon Bolts are fully threaded. This type of bolt is required when the shaft of a fastener is being inserted completely into a threaded hole. Fully Threaded Bolts are often used to securely fasten two threaded sections together. Materials Fullerkreg?s Hexagon Bolts are available in an array of materials, including A2, A4, and A4-80 Stainless Steel. This Stainless Steel Hex Head Screws Bolts, Nuts, Flat Lock Washers are made of 18-8 (304) S/S Sizing Imperial Full Thread Hexagon Bolts are available in thread sizes of between No. 4 and 1 inch. Lengths are available between 1/4 inch and 12 inch. Hex Head Screws Bolts, Nuts, Flat Lock Washers Package includes each of bolts, hex nuts , Flat Lock washers 3/8-16x4" Stainless Steel Hex Head Screws Bolts, Nuts, Flat Lock Washers, 18-8 (304) S/S, Fully Threaded by Bolt Fullerkreg 3/8-16x4" Stainless Steel Hex Head Screws Bolts Description 3/8-16 Thread Size (T) ANSI B18.6.3 Manufacturing Standard 4 inch Length (L) Yes Fully Threaded 16 TPI Pitch 0.243 inch Head Length (K) 0.562 inch Head Width A/F (H) Self Colour Finish +/- 0.13mm General Tolerance 3/8-16x4" Stainless Steel Hex Head Screws Bolts, Nuts, Flat Lock Washers, 18-8 (304) S/S, Fully Threaded by Bolt Fullerkreg Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head. Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don?t know the pitch or threads per inch. Screws that meet ASME or ISO (formerly DIN) specifications comply with these dimensional standards. Package includes each set of bolts, hex nuts washers. 3/8-16x4" Stainless Steel Hex Head Screws Bolts, Nuts, Flat Lock Washers, 18-8 (304) S/S, Fully Threaded by Bolt Fullerkreg It is our mission to help you with your projects. We want to reduce your frustration, save you time, cut your gasoline and aspirin expense, and provide quality bolts and screws THE FULLERKREG BOLTS BIO Fullerkreg Bolts is is a Twelve and a half year old, steadily growing operation based in Kunshan. We like stainless steel, we know that stainless steel fasteners are more expensive than other parts made of other materials, but we think it is worth it. We are always looking for fasteners for our ships, bicycles, cars and woodworking machines.When we finally found what we needed, we started buying 100 cases of fasteners.This practice began to accumulate additional inventory of fasteners. Soon, friends on the pier and nearby began coming to us instead of to the local shops. Our first online store offers a set of stainless steel set screws for ShopSmith woodworking machinery.This is our fifth year selling fasteners here.