A2 70 / A4 80 Stainless Steel Square Metric Lock Nuts For Automobile

Description:

A nut is a type of fasteners with a thread hole. Nuts are almost always used in conjunction with a mating bolts to fasten two or more parts together.One nut With female with bolt and nut is the use of fasteners, with internal thread and used with screw to pass motion or power machinery parts.The two partners are kept together by a combination of their threads fruction, a slight stretching of the bolt, and compression of the parts to be held together.

A square nut is a four-sided nut , different from  standard hex nuts, square nuts have a greater surface in contact with the part being fastened, and therefore provide greater resistance to loosening .They though also greater resistance to tightening.They are also much less likely to become rounded-off after repeated loosening/tightening cycles. Square nuts are typically mated with square type headed bolts. Square nuts are used along with flat washers in order to protect damage from its sharp edges and helps to increase the strength of the fastener. Square nuts can have standard DIN557, fine or coarse threading with platings of zinc yellow, plain, zinc clear,tin and cadmium, among others. Most can meet either the ASTM A194, ASTM A563, or ASTM F594 standard.

Jiaxing Haina has varieties and complete specifications fastener product.Major products are stainless steel and grade 4.8/8.8/10.9 high intensity bolts , hexagon bolts , carriage bolts and all kinds of standard bolts , hexagon socket screws , self tapping screw , self drilling screws , hex nuts , threaded rod , anchor bolts and so on. Our company have many stock of Stainless steel: All DIN Or GB Standard stainless steel Nut.

Maybe you can send your inquiry to our email : me@hainafastener.com , we will give you the price as soon as possible.Thank you.

Specification: