DIN975 DIN976 4.8 8.8 10.9 12.9 SS304 316L ASTM A193 B7 B7m B17 B8 B8m Cl2 A320 L7 L7m Black Plain Natual HDG Galvanized High Strength Threaded Rod Thread Rod

Product Description

PRODUCT PARAMETER

Fully threaded studs

Fully threaded studs are headless fasteners with threads along their entire length, designed for high-precision clamping and uniform load distribution. Unlike partial-thread studs, their continuous threading eliminates stress concentration, making them ideal for tensile-dominant applications. Materials include carbon steel (8.8/10.9 grade, zinc-plated), stainless steel (316 for corrosion resistance), and alloy steel. Standards like ISO 8734, DIN 975, and ASME B18.31.2 specify sizes from M6 to M100 and lengths up to 1,000mm. The full threading enables precise adjustment of nut position, enhancing preload consistency in critical connections.

Applications:

Pressure Vessels & Piping: Bolt flanged joints in boilers, reactors, or high-pressure systems (resists thermal expansion and leakage).
Heat Exchangers & Machinery: Secure tube sheets or covers in industrial equipment, ensuring uniform clamping force across surfaces.
Aerospace & Automotive: Join engine components or chassis parts that require repeated assembly/disassembly (threads prevent galling).
Electrical & Marine: Mount transformers or hull fixtures in corrosive environments (stainless variants resist saltwater/chemical damage).
Adjustable Frames: Assemble modular structures, conveyor systems, or scaffolding that demands fine-tuned positioning.

Fully threaded studs

Thread Spec-d				M5	M6	M8	M10	M12	M14
P		thread pitch		0.8	1	1.25	1.5	1.75	2
U		Max value (=2P)		1.6	2	2.5	3	3.5	4
Thread Spec-d				M30	M36	M42	M48	M56	M64
P		thread pitch		3.5	4	4.5	5	5.5	6
U		Max value (=2P)		7	8	9	10	11	12

ABOUT US

LONGSHI FASTENERS MANUFACTURING CO.,LTD.,

Longshi Fastener Manufacturing Co., Ltd., founded in 2008, is located in Shahe City, Hebei Province, close to the country's largestLarge fastener industrial cluster - Yongnian standard parts Industrial Park. The company headquarters covers an area of 21 thousand square meters, the annual output value of 200 million yuan, with more than 200 employees, with domestic More than 100 sets of advanced production equipment. It is a "manufacturing + service" type enterprise integrating fastener production, intelligent warehousing and e-commerce sales. The company's construction of the sea screw e-commerce park is located in Yongnian District, Handan City, Hebei Province, covers an area of 45 acres, the park planning and construction of office area, production area, packaging area, storage area, etc., to provide fastener production, packaging, warehousing, e-commerce sales and other services. Longshi mainly produces high quality and high strength fasteners, and "Longshi" screws have become a well-known brand in the industry. Longshi always adhere to quality first, reputation first. From raw material procurement, design and development, production and processing to products strict quality control is implemented in every link of quality testing and sales to win the recognition of our customers. The company has established standardized product testing laboratories and quality testing processes and standards to ensure that products strictly comply with national standards.

FAQ

Q1: What is your minimum order quantity (MOQ)? Do you charge extra for small orders?
100 pieces MOQ (most peers require 1,000+), no price premium for small orders. First-time customers for cross-border e-commerce/trade get free samples.
Q2:Do you support custom orders? How long does the customization process take?
Longshi Advantage: 8-dimensional customization (material, specification, surface treatment, etc.), with 3D design drawings + process plans.
Q3: What if an item is out of stock?
Stockout rate <0.1% (peers: 10+%), with real-time inventory monitoring. For extreme stockouts, free upgraded alternatives are provided (peers often leave clients waiting indefinitely).
Q4: Do you provide technical support, such as installation guidance or drawing optimization?
Dedicated 1v1 engineer team offering free technical support.
Q5:Can I visit your factory or arrange a factory audit?
Support online factory tours (real-time video of production lines/laboratories) and offline visits (pick-up service available).