• Diameter：3,8′′-1,2′′
• Across Corners：0.4-2.5mm
• Across Flats：0.4-2.2mm
• Transport Package：Standard Seaworthy Packing
• Specification：Normal
• Trademark：BWTD
• Origin：Tianjin
• HS Code：7317000000
• Production Capacity：12 Ton,Tons Per Day

TypeSteel Screw BoltsMaterialIron,Carbon steelDiameter3/8''Length31-112mm,as customer's requirementsTreatmentColor plated,electro galvanized,blackPacking according to your request
Steel Screw/Tightening Hex.Screw/Flange Nut
Hex nuts and screws, bolts, screws cooperate with each other to connect the fastening parts.
Among them, type 1 six nuts are the most widely used, and C-class nuts are used for machines, equipment or structures with rough surfaces and low precision requirements. Class A and CLASS B nuts are used on machines, equipment or structures with relatively smooth surfaces and high precision requirements. Type 2 hexagon nut thickness M thicker, often used for often need to assemble and disassemble occasions. The thickness of the hexagonal thin nut M is thinner, and it is used for the occasions where the surface space of the connected parts is limited. 


TIGHTENING HEX.SCREW

Widely used in detachable connection, generally used with nuts, used for fastening two parts with through holes.
According to the thread can be divided into coarse bolt, fine bolt and inch bolt



 

Features:
1. General outer hexagon - more widely used,Fastening force is relatively large
2. Hexagonal socket head - the most widely used of all screws,easy to install,the appearance is beautiful and neat.
3. Pan head hexagon socket-mostly for furniture,add to the look of the exterior.
4. Flange nut - mainly play the role of increasing the contact surface with the workpiece, mostly used in pipelines.
5.Tightening Steel Screw widely used in detachable connection, generally used with nuts, used for fastening two parts with through holes