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Square Head Black Oxide Connector Bolts High Strength Nut

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Contact name:Juliet Zhu

Eternal Bliss Alloy Casting & Forging Co.,LTD.

Square Head Black Oxide Connector Bolts High Strength Nut

Country/Region	china
City & Province	wuxi jiangsu
Categories	Bolts

Product Details

EB China High Strength Grade 12.9 Special Bolt Nut Ball Mill Machinery Black Oxide Liner Plate Bolts

Liner Bolts:

1. Grade: 4140 steel 12.9
2. Size: M3-48
3. Standard: DIN
4. 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:

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