DIN 939 bm=1.5d Double-ended Bolts

The DIN 939 standard is the holed bolt standard formulated by the German Standardization Association. DIN 939 bm=1.5d Double-ended Bolts are especially suitable for holed bolts whose length does not exceed 10 times the diameter. bm=1.5d stud bolt is one of the specifications. bm=1.5d stud bolts are threaded at both ends and have a polished rod in the middle. This kind of stud bolt is usually used for the connection between cast iron fittings and steel fittings. One connector has an internally threaded hole and the other connector has a through hole.

Pictures

Product drawing

Product Specification

Some introduction about our company

Application

Jinan Star Company specializes in the production of fastener products. Our bolts, nuts and other products are widely used in machinery, railways, automobiles, construction, electrical, bridges, communications, firefighting and other industries.

Certification

Jinan Star Fastener Co., Ltd. has obtained the 2015 version of ISO9001 quality management system certification through the scientific management of leaders of various departments and the pursuit of high quality for bolts and other fasteners. In addition, the laboratory owned by Star Company has obtained the certification in 2017. It passed the national CNAS certification in 2018, and the company passed the European CE certification in 2018.

Testing Equipment

Jinan Star Fastener Company attaches great importance to product quality and is equipped with complete quality inspection equipment, such as tensile testing machines, torque testers,metallographic microscopes, optical projectors, salt spray test chambers, coating thickness gauges, etc., which are used to test the tensile strength and elongation of fastener products and evaluate the mechanical properties of products. These equipment ensure that every link from raw materials to finished products can be strictly controlled in quality.

Workshop

The workshop of Jinan Star Fastener Co., Ltd. is the core area of the company's production and manufacturing, with advanced production equipment. The reasonable layout of the workshop and the scientific production process ensure the efficient production and high-quality output of fastener products.

Production equipment

In order to meet the needs of different customers, the company has introduced a series of advanced production equipment, such as multi-station cold heading machines, thread rolling equipment, heat treatment equipment, shot blasting machines, sand blasting machines, electroplating lines and other surface treatment equipment, and fully automatic packaging equipment. These equipment not only improve production efficiency, but also ensure the consistency and stability of product quality.

Packing

Service

1. We produce bm=1.5d stud bolts that comply with DIN 939 standards, and provide products with different materials, specifications, and surface treatments according to customer needs.

2. Custom packaging and labeling services. Customized customers require the length, diameter, material, etc. of DIN 939 standard bm=1.5d stud bolts.

3. Help customers use bolts correctly and assist customers in selecting DIN 939 standard bm=1.5d double-headed bolts.

4. Track order status to ensure customers understand order progress.

FAQ

1. What materials can you produce DIN 939 standard bm=1.5d stud bolts?

Steel, stainless steel, etc., you can inform our sales team of your needs and applicable scenarios. We will answer your questions about the impact of material selection on bolt performance, such as strength, corrosion resistance, etc.

2. I'm not sure yet which specifications are suitable for me, can you help?

Of course, we will provide a detailed specification sheet or selection guide to help you choose the right DIN 939 standard bm=1.5d studs according to your application needs.

3. How to install?

We provide installation instructions or video tutorials to ensure you install your bolts correctly.