Jeng Ker Industrial Corp.
The first ISO-9001 certified steel balls factory in Taiwan.

STANDARDS OF CARBON STEEL BALLS
Products :
  • CARBON STEEL BALLS AISI 1008-1086
  • CHROME STEEL BALLS AISI 52100
  • STAINLESS STEEL BALLS AISI 304, 316, 420, 440
  • FLYING SAUCER STEEL BALLS
  • BRONZE BALLS
  • IRON BALLS, etc.
    Use for : Hardware, Toys, Wheels, Skates, Bicycle, Bearings etc., Reference : To order from 40#, 60#, 100#, 200#, 300#, 500#, 1000#, 1/16" to 1 1/2" or 0.8m/m to 38m/m for special use.

    • Grade Available Size Range Diameter Tolerance Per Ball "V" Block Out-Round in 120o Angle Diameter Tolerance Per unit Container Basic Diameter Tolerance Maximum Surface Roughness Micro-inch
    40 1/16"-1" inch mm inch mm inch mm inch mm "AA"
    0.00004 0.001 0.00004 0.001 0.00008 0.002 0.00008 0.002 0.08
    60 1/16"-1" 0.00005 0.0015 0.00005 0.0015 0.00012 0.003 0.00012 0.003 0.095
    100 1/16"-1" 0.0001 0.00254 0.0001 0.00254 0.0002 0.00508 0.0005 0.00508 5.0
    200 1/16"-1 0.0002 0.00508 0.0002 0.00508 0.0004 0.01016 0.0010 0.0254 8.0
    300 1/16"-1" 0.0003 0.00762 0.0003 0.00762 0.0006 0.01524 0.0015 0.03810
    500 1/16"-1 0.0005 0.0127 0.0005 0.01270 0.001 0.0254 0.002 0.05080 Not Applicable
    1000 1/16"-1 0.001 0.0254 0.001 0.0254 0.002 0.0508 0.005 0.1270
    "AA" Arithmetical Average

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    JENG KER INDUSTRIAL CORP.
    Address : No.96, Chiu-She Road, Hou Li Hsiang, Taichung Hsien421, Taiwan, R.O.C.
    Telephone : 886-4-25566612 886-4-25566664, 886-4-25566684
    Fax : 886-4-25561358
    Email : jengker@ms13.hinet.net
    		 
    HONGDE BEARING BALLS ( JIAXING ) CO.,LTD.
    Address : No. 336, Xiu XinRd.,Xiu Zhou Industry Area Jia Xing City.Zhe Jiang Province China.
    Telephone : 86-573-82797785, 82797786
    Fax : 86-573-82799317
    Email : dhz405@vip.sina.com