Black Oxide 4140 Steel Bolt Nut M3 Square Head Nuts And Bolts
EB China Carbon Steel Ball Mill Bucket Bolt Black Oxide Crusher Liner Screw Square Head Bucket Screw Hot Forging Bolts
1. Grade: 4140 steel 12.9
2. Size: M3-48
3. Standard: DIN
4. Certification: ISO9001, SGS, CTI, ROHS
5. Special Features:
1. The high strength bolts have been widely used in large ball mills up to dia.12-meter mills.
2. The high strength screws can be reliably used in small,middle and large cement mills,coal mils and mine mills.
3. The high strength bolts have been properly heat-treated to achieve better mechanical properties.
4. The standard bolt units include one rubber ring,concave washer,spring washer and nut.
6. Chemical Composition:
|
Composition(%) |
C |
Si |
Mn |
S |
P |
Cr |
Mo |
|
42CrMo(4140 Grade8.8) |
0.38-0.45 |
≤0.40 |
0.60-0.90 |
≤0.035 |
≤0.035 |
0.90-1.20 |
0.15-0.30 |
7.Description:
|
Product Name |
Special bolt nut ball mill machinery liner plate bolts |
|
Material |
Stainless Steel,Alloy Steel,Carbon Steel,Brass,Aluminum or as your requirements |
|
size |
M2~M30 or custom Made |
|
Finish |
Plain, black, zinc plated/according to your requirement |
|
Standard |
ISO,GB,DIN,JIS,ANSI/ASME,BSW,Non-standard. or base on the Drawings or Samples |
|
Usage |
Car,Machinery etc |
|
Certificate |
ISO9001,IATF16949,SGS,ROHS,etc |
|
Used |
Building industry machinery |
8. Product Details Picture:
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