Grade: 4140 steel 12.9
Size: M3-48
Standard: DIN
Certification: ISO9001, SGS, CTI, ROHS
The main bolts are as following: 01 D bolt: 02 Oval bolt 03 Flat counter sunk nib bolts 04 Square head bolt 05 Bucket-type bolt 06 Waist-type bolt We could custom-tailor according to the drawings Description: liner bolts,nuts, non-standard fasteners etc 1) Size: From M20 to M52 Ball screws can be divided according to the head shape: oval head bolts, square head bolts, with mortise bolts, kidney-shaped bolts, bucket-type bolt, D-bolts, bolts and other horn. By the use of ball screw position can be divided into: compartment liner bolts, discharging grate plate bolts, bolt ladder liner, cylinder bolts, fixed cone liner bolts, bolts and export hopper lining watts, bulkhead bracket bolts and manhole bolts, grid plate bolts, cap liner bolts.

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:

Product Tags:

stud bolt standard

hexagon head bolt specification

stud bolt specification

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