Stainless Steel Self-Locking Nut Series/Galvanized Locking Nut

• Material: Stainless Steel
• Type: Hexagon Head
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, GOST
• Grade: 6.8
• Model NO.: M2-M24
• Nut Material: Q235/Q345/High-Carbon Steel/Stainless Steel
• Surface Treatment: Black/Galvanized/Hot-DIP Galvanized/Ducro
• Bolt Style: Plain Nut/Thickened Nut/Non-Slip Nut
• Transport Package: Export Packing
• Specification: M2-M42
• Trademark: SANJU
• Origin: Hebei
• HS Code: 7318160000
• Production Capacity: 50000000

Product Description

Please consult customer service for detailed specifications. 
Customize various types of screws, nails. All kinds of metal products. 
Size can be customized. (Samples can be sent.)
Your enquiry is welcome. Thanks dear. 
Hexagon nut and screws, bolts, screws cooperate with each other, play the role of connecting fastening parts. Among them, the type 1 six nut is the most widely used, and the C-class nut is used for the machine, equipment or structure with rough surface and low precision requirement. Class A and class B nuts are used for machines, equipment or structures with relatively smooth surfaces and high precision requirements.

Commonly used standards are: GB52, GB6170, GB6172 and DIN934, the main difference between them are: the thickness of GB6170 than GB52, GB6172 and DIN934 to the thick, commonly known as thick nuts. In addition, the opposite side of DIN934, GB6170 and GB6172 in the nut series of M8 is 13MM smaller than the opposite side of GB52 14MM, and the opposite side of DIN934 and GB52 is 17MM, which is 1MM larger than the opposite side of GB6170 and GB6172. For the nut of M12, the opposite side of DIN934 and GB52 is 19MM, which is 1MM larger than the opposite side of GB6170 and GB6172. For the nut of M14, the opposite side of DIN934 and GB52 is 22MM, which is 1MM larger than the opposite side of GB6170 and GB6172. In addition, the nut of M22, the opposite side of DIN934 and GB52 is 32MM, which is 2MM smaller than the opposite side of GB6170 and GB6172. (GB6170 and GB6172 in addition to the thickness is different, the opposite side width is exactly the same) The other specifications can be universal without considering the thickness.