HDG Hex Socket Head Cap Bolt/ Screw/ Allen Bolt Allen Screw

• Model NO.: M2-M100
• Type: Hexagon Head
• Head Style: Round
• Grade: 8.8
• Finish: Hot Galvanizing
• Head Type: Hexagon, Round, Square
• Class/Grade: 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9
• Surface Finishing: Hot Galvanizing, Black, Color-Zinc, Blue-White Zin
• Specification: M4-M100
• HS Code: 731815

• Material: Carbon Steel
• Connection: Common Bolt
• Standard: DIN, ANSI, GB, JIS, BSW, GOST
• Application: Machinery
• Available Material: Carbon Steel, High Strength Steel, Stainless Steel
• International Standard: DIN, ANSI, GB, JIS, Bsw, GOST
• Used: Machinery, Chemical Industry, Environmental, Build
• Trademark: HN
• Origin: China

                                                                 HDG Hex Socket Head Cap Bolt/ Screw/ Allen Bolt Allen Screw            A bolt is a form of threaded fastener with an external male thread. Bolts are thus closely related to, and often confused with, screws.
A hex cap screw is a cap screw with a hexagonal head, designed to be driven by a wrench (spanner). An ASME B18.2.1 compliant cap screw has somewhat tighter tolerances than a hex bolt for the head height and the shank length. The nature of the tolerance difference allows an ASME B18.2.1 hex cap screw to always fit where a hex bolt is installed but a hex bolt could be slightly too large to be used where a hex cap screw is designed in. 
Service

Professional Manufacturer: All of our Fastener are designed and manufactured according to buyers' specification and performance.
Quality is guaranteed: Durability testing and critical technical design to enhance fasteners lifetime.
Cost effective: Competitive prices with factory directly supply
Perfect fastening solution with 20 years experiences to solve your problem: Wide range of parts selection.
Customized Ideal Fasteners: customized services according to the samples and drawings offered.
                If you are not sure about what exactly you need - feel free to contact us anytime and get professional assistance from us.
 

Hydrazine Hydrate

Hydrazine Hydrate is an Inorganic Product with the chemical formula N2H4. It is a simple pnictogen hydride, and is a colourless flammable liquid with an ammonia-like odour.

Hydrazine Hydrate 80% is highly toxic unless handled in solution as, for example, hydrazine hydrate (NH2NH2 · xH2O) Hydrazine Hydrate 64%. As of 2015, the world hydrazine hydrate market amounted to $350 million.Hydrazine is mainly used as a foaming agent in preparing polymer foams, but applications also include its Pvc Resin uses as a precursor to Ethylene-Vinyl Acetate polymerization catalysts, pharmaceuticals, and agrochemicals, as well as a long-term storable propellant for in-space spacecraft propulsion.

About two million Buy Hydrazine Hydrate tons of hydrazine hydrate were used in foam blowing agents in 2015. Additionally, hydrazine is used in various rocket fuels and to prepare the gas precursors used in air bags. Hydrazine Hydrate (hh) is used within both nuclear and conventional electrical power plant steam cycles as an oxygen scavenger to control concentrations of dissolved oxygen in an effort to reduce corrosion.

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HENAN LIHAO CHEM PLANT LIMITED , https://www.lihaochemicals.com