Left Full Thread Hex Head Bolts UNC Blue Zinc Plated DIN 6921 10.9 Grade

Left Full Thread UNC 10.9 Grade Blue Zinc Plated DIN 6921Hex Flange Head Bolts

1. Product Description

Hex flange bolt is a one-piece forged bolt with a hex washer head. The washer head always in 2 types, serrated flange and smooth flange, the so called flat bearing surface. Hex flange bolts always made by medium carbon steel, alloy steel and stainless steel.

Metric series carbon steel hex flange bolts generally supplied in class 8.8, class 10.9 and class 12.9 as perDIN6921 and ISO standard. Surface treatment could be in black oxide, galvanizing, dacromate. Stainless steel hex flanged bolts also available in SS304 and SS316, Class A2-70 and A4-80.

Inch series as per ANSI B18.2.1 dimensions always supplied in Grade 5 and Grade 8 according to SAE standard in carbon steel and alloy steel. 18-8 stainless steel hex flanged screws also available.

DIN and ANSI standard hex flange bolts technical drawings, please click below related photos.

2. Specification

3. Application

Hex Flange Screws are commonly called Frame Bolts because of their popularity in the trucking industry for use on assembly of truck frame rails. Hex Flange Screws are also used on pipe flange applications because the larger bearing area under the head helps ensure that the gasket is uniformly compressed to eliminate leaks. Hex Flange Screw can be used in any assembly that is currently using a hex cap screw and washer to eliminate the washer.

Earnest Machine Products line of Hex Flange Screws are made to the dimensions specified in the Industrial Fasteners Institute standard IFI -111. The head is manufactured with a full trimmed hex to prevent wrench slipping and rounding of the hex during installation or removal. The bearing faces are smooth to ensure uniform torque tension performance and that maximum clamp loads are achieved.

4. Advantages

Jiaxing Haina Fastener co. Ltd was established in 2010, located in the hometown of fasteners jiaxing city. For many years of export experience, our products has been best-selling in Europe, the United States, the Middle East and Southeast Asia. The products are manufactured by more functions machine, which is brought in domestic and foreign well-known enterprises. The products made are fully compatible with the international standards, well received by domestic and foreign customers. Through scientific management, Jiaxing Haina fastener Ltd company has been obtained ISO9000 certificate of Quality Managerment System, SGS and BV international certificate system of Make in China.

Product standards including DIN, ISO, GB and ASME/ANSI, BS, JIS AS. Main levels of carbon steel: 4.8, 4.8, 6.8, 8.8, 10.9, and 12.9 grade, the main material of stainless steel SS201, SS304, SS316 and various kinds of special stainless steel.

The width range of our products can be divided into auto fasteners, mechanical fasteners, construction fasteners, power fasteners, railway fasteners, household electrical appliances fasteners and chemical fasteners,

We have first-class service team, so we can meet the different requests for a set of customers. We solemnly commitment, first-grade quality, timely delivery guaranteed

Reasonable price and service paramount, forward to the operation principle of quality first and customer first, pursuit of excellence to create first-class brand, our aim is brand promoting development, management promoting earnings, warmly greeting home and abroad new and old customers to communicate and cooperate to seek greater success and brilliant future.