Rail Slide of The Fridge 420 5.47mm Stainless Steel Ball
  • Rail Slide of The Fridge 420 5.47mm Stainless Steel Ball
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Product details

A, Except carbon steel balls, 420 stainless steel balls are also used in rail slide.

But the rail slide is in the fridge. Our steel balls is green product. They have passed the ROHS certification.
The hot sizes in fridge rail slide are 4.72mm 4.74mm 4.76mm 4.78mm 5.47mm 5.50mm 6.0mm
Usually we have some stock of them. We can delivery them to you in short time, if you need them.

B. About the technical requirement of rail slide 420 stainless steel balls.

420 stainless steel balls have good antirust and anticorrosive capability.
And the raw material of 420 stainless steel is cheaper than others. The hardness is HRC55-60.
For rail slide, the common precision is G100, the nominal ball deviation tolerance max. Is +/-12.5um.

Precision Ball diameter variation Deviation from spherical Surface roughness Lot diameter variation Nominal ball deviation tolerance
G100 2.5um max. 2.5um max. 0.125um max. 5um max. +/-12.5um

C. Our good production control of rail slide 420 stainless steel balls.

Raw material-cold heading-Flashing-Heat treatment-Grinding-Polishing-Packing
All rail slide carbon steel balls must be 100% sorted by roller.
Each month our max. Production output of them is about 100tons-160tons.
Italy, UK, Japan, Turkey, Korea......are all our main foreign market.
Our quality have been approved.

D. Steel balls package:
We also can pack them following customers’ request!
One:
Step 1: Weighing steel balls.
Step 2: Sealed plastic bags
Step 3: Put sealed plastic bags into small boxes.
Step 4: Each box has the label, including material, Lot No. Size, quantity, grade, date and so on
Step 5: Put boxes in carton. There are four boxes in a carton. Each carton is about 20kg.
Step 6: Each carton also have the label, including material, Lot no. Diameter, quantity, grade, date.
Step 7: Put cartons into wooden case. There are about 36-48 cartons in a wooden case.

Another:
Step 1: Weighing steel balls. Each plastic bag is about 10kg.
Step 2: Sealed plastic bags
Step 3: Put sealed plastic bags into small boxes.
Step 4: Each box has the label, including material, Lot No. Size, quantity, grade, date and so on
Step 5: Put boxes directly into the wooden case.
Step 7: There are 80 boxes in a wooden case.

Sizes quantity/10kg
1.2mm 1,500,000pcs
1.588mm 1/16'' 600,000pcs
2.0mm 300,000pcs
2.5mm 150,000pcs
3.175mm 1/8'' 75,000pcs
3.969mm 5/32'' 39,000pcs
4.763mm 3/16'' 22,000pcs
5.953mm 15/64'' 11,000pcs
6.35mm 1/4'' 10,000pcs
7.938mm 5/16''  5,000pcs
9.525mm 3/8''  2,800pcs
12.7mm 1/2'' 1,200pcs

 

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