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Zhongshan H. R. T. Precision Steel Ball Co., Ltd.

1.75mm 440c Stainless Steel Balls, Stainless Steel Balls, Steel Balls manufacturer / supplier in China, offering 1.75mm 440c Stainless Steel Balls, 1.588mm-20mm H60 Brass Bearing Balls, High Precision Miniature Tc Ball (Tungsten Carbide) and so on.

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Supplier Homepage Product Stainless Steel Ball 440C 1.75mm 440c Stainless Steel Balls

1.75mm 440c Stainless Steel Balls

FOB Price: US $0.1 / Piece
Min. Order: 1,000,000 Pieces
Min. Order FOB Price
1,000,000 Pieces US $0.1/ Piece
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Production Capacity: 60000000PCS
Transport Package: in Carton
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: 440C
  • Grade: G10
  • Hardness: HRC 58-62
  • Trademark: HRT
  • Origin: China
  • Size: 1.75mm
  • Material: Stainless Steel SUS440c
  • Certificate: ISO9001/ISO14001/Ts16949
  • Specification: 1.75mm
  • HS Code: 84829100
Product Description
SS440C Stainless Steel Ball

Material: SS440C Stainless Steel
Size: 1.75mm
Grade: G10
Hardness: HRC58-62
Certificate: ISO-9001, TS-16949, ISO-14001
Application: Bearings

Brief Introduction
Miniature balls are those that are less than 1/8" (3 mm) in diameter. Some of their key applications include instrumentation for calibration and switching, microvalves, pumps, medical and dental equipment, optical devices, ball screws, timepieces, metal detectors, disk drives, and pens.

How Miniature Balls Are Made
Heading- Flashing- Heattreatment- Grinding- Find Grinding- First Lapping- Second Lapping
Grade  Variation of Ball Diameter
VDws
Deviation from Spherical Form
ΔSph
Variation of Ball Lot Diameter
VDwl
Surface roughness
Ra
G5 0.13 0.13 0.25 0.014
G10 0.25 0.25 0.5 0.02
G16 0.4 0.4 0.8 0.025
G20 0.5 0.5 1 0.032
G24 0.6 0.6 1.2 0.04
G28 0.7 0.7 1.4 0.05
G40 1 1 2 0.06
G60 1.5 1.5 3 0.08
G100 2.5 2.5 5 0.1
G200 5 5 10 0.15
G500 12.5 12.5 25  
G1000 25 25 50  
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