The machine bolt,also named a machine screw bolt,is a cylindrical fastener used to clamp tow pieces of metal together. The bolt consists of a threaded shaft with a square or hexagon shaped head at one end.
Most machine bolts are manufactured from low or medium carbon steel,although bolts made from stainless steel and silicon bronze are available as well,stainless steel and silicon bronze bolts resist corrosion much better than carbon steel ones,and are typically used in applications where they will be exposed to the elements. Aluminum and brass machine bolts are available for specialty applications in the aerospace and marine industries. Machine head bolts are available in both standard and metric sizes,and in left and right headed threads,coarse- and fine-thread varieties are available as well.
MEGATROprovide every type machine bolts with specifications as follow:
1. Standard: DIN & ANSI & JIS & IFI,BS,ISO,GB
2. Material: carbon steel,alloy steel,stainless steel，35k,45#
3. Size: M6-M30,1/4''-1''
4. Length: 10mm-250mm,1/2''--10''
Detailed size description
A: M6*16-50 M8*20-100 M10*20-100 M12*20-100 M14*30-100 M16*30-100 M18*40-100 M20*40-100 M22*50-100 M27*50-100 M30*50-100
B: M8*55-120 M10*60-120 M12*60-120 MM14*55-120 M16*60-170 M18*70-160 M20*70-170 M22*80-220 M24*80-250 M27*90-270 M30*90-300
5. Grade: 3.6,4.6,4.8,5.6,5.8,6.8,8.8,10.9
6. Finish: zinc,black,plain,Hot dipped galvanized
7. Thread; BSW,BSF,UNC,UNF etc.
8. Minimum order: 100pcs
9. Packing: as per clients requirements
Production: as per clients' requirements
Origin: Qingdao,Shandong province,CHINA
Payment term: TT; L/C
Lead time: to be discussed by Buyer and Seller
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