China Factory making Seamless Fitting - Black Steel Bolts With Nuts – Deye Manufacturer and Supplier

Factory making Seamless Fitting - Black Steel Bolts With Nuts – Deye

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With a sound enterprise credit history, exceptional after-sales services and modern production facilities, we've earned an outstanding track record amongst our consumers across the whole world for Underground ball Valve , Bronze disc Butterfly Valves , Industry valve , We sincerely welcome domestic and foreign merchants who calls, letters asking, or to plants to negotiate, we will offer you quality products and the most enthusiastic service,We look forward to your visit and your cooperation.

Factory making Seamless Fitting - Black Steel Bolts With Nuts – Deye Detail:

Standard: DIN6914-6916 , ASMEB18.2.6 and JISB1186 AS1252.
Different sizes between M12 and M30 are available.
Material: B7/2H, 20MnTiB ,35VB. A3, A1, A2. A4.
Pressure rating: 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9.
surface treatment: black oxide , hot galvanizing ,black, Dacromet and zinc plating.
Hexagonal head types: one is flat-brained and the other is concave-brained.
Depending on the position of the flange bolt, the size requirements of the disc are different. There are also flat bottom and toothed parts.

The quantity of bolts for a flange connection will be given by the number of bolt holes in a flange, diameter and length of bolts is dependent of flange type and Pressure Class of flange.

Stud Bolt length are defined in ASME B16.5 standard. The length in inches is equal to the effective thread length measured parallel to the axis, from the first to the first thread without the chamfers (points). First thread is defined as the intersection of the major diameter of the thread with the base of the point.

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We're commitment to offer you the competitive price ,remarkable products excellent, also as fast delivery for Factory making Seamless Fitting - Black Steel Bolts With Nuts – Deye , The product will supply to all over the world, such as: Munich , Portugal , Canberra , we rely on own advantages to build a mutual-benefit commerce mechanism with our cooperative partners. As a result, we have gained a global sales network reaching the Middle East, Turkey, Malaysia and Vietnamese.

900LBS flange