Mud Suction & Discharge Rubber Hose

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Q:Who is the information on fasteners ah?
Fastener production equipment (screw molding machine, cold heading machine, head machine, threading machine, cutting machine, thread rolling machine, rolling machine, drawing machine, wire drawing machine, screw automatic screening machine, vibration plate
Q:What are the technical requirements for fasteners?
You mark the standard number and grade on the line, but the general standard is not required to issue a drawing. Quality inspection in accordance with the standard check can be.
Q:What is the fastener and others?
Chinese name: fasteners English name: fastener
Q:A194 GR3 is what style fasteners
A194 American standard I know is the US system, but now do not understand is GR3 in the end is what it means
Q:Fasteners often say that the nature of galvanized oxidation is what it means
Fasteners, is a fastening connection with the application of a very wide range of mechanical parts. Fasting, widely used in industries such as energy, electronics, electrical appliances, machinery, chemical, metallurgy, mold, hydraulic, etc., in various machinery, equipment, vehicles, ships, railways, bridges, construction, structure, tools , Chemical, instrumentation and supplies, etc., can see a wide range of fasteners, is the most widely used mechanical base pieces. It is characterized by a wide variety of specifications, performance purposes vary, and standardization, serialization, the degree of generalization is also very high. Therefore, some people have a national standard of a class of fasteners called standard fasteners, or simply referred to as standard parts.
Q:The difference between fasteners and standard parts
Some people have a national (industry) standard type of fasteners called standard fasteners, referred to as standard parts.
Q:Bolts and other connection fasteners some points A B C grade what it means
Bolts and other fasteners connected due to a wide range of applications, the product level requirements are different, so the bolt product grade is divided into A, B, C three grades. One of the most accurate A, C level of the most inaccurate, B between the two. Class A is used for important applications where assembly accuracy is high and subject to greater impact, vibration or variable loads. Class A for d = 1.6-24mm and l ≤ 10d or l ≤ 150mm bolts. B grade for d> 24mm or l> 10d or l ≥ 150mm bolts, thin rod B grade M3-M20 hexagonal flange bolts, anti-loose performance better. Class C is between M5 and M64.
Q:what are the Fasteners Selection Specification
Referred to the selection must be selected in the national standard parts, otherwise the changeability does not exist. Speaking of norms nothing less than the following: function according to national standards (strength, rust, shape ....);
Q:What is the name of the screw (fastener)?
By specifications: M3. M4. M5. M6. M8. M10. M12 By head type: a. Flat head b. Small head (countersunk head)By the shape: a. Cylindrical light body b. Hexagonal c. Semi-hexagonal d. Cylindrical column posture
Q:High-strength screw standard parts of the quality of what data
Material: Does the chemical composition meet the standard requirements Appearance: Good surface treatment: Does it meet the standard requirements? If 1 and 4 problems, this batch of bolts directly failed,

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