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KANA FB-SPROCKETS are finished bore sprockets with keyway and set screw as KANA standard stock. NK, stainless steel B-type & single-double sprockets are finished bore respectively. That meet your needs with quick delivery & good quality. We achieve lower price and steady good quality by mass production.
We are sure that our products make you satisfied.
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Finished bore sprocket makes you quick installation
You can immediately install our products without processing as bore, keyway & set screw.
Acheive lower price by mass production
We can provide competitive price in your market by our know-how & mass production.
Wide selection & quick delivery as meeting your needs
More than 2000 types of finished bore sprockets are kept as stock in our warehouse. You can get required products smoothly.
Finished Bore Sprockes are listed as follows;
Metric size or BS sprocket other than following following list is also available!!!

  • FBN SPROCKETS
    • FB35B    Pitch:3/8"  No.35
    • FB40B    Pitch:1/2"  No.40
    • FB50B    Pitch:5/8"  No.50
    • FB60B    Pitch:3/4"  No.60
    • FB80B    Pitch:1"     No.80
    • FB100B  Pitch:1 1/4"  No.100

    • STANDARD KEYWAYS AND SETSCREWS.
    DIAMETER
    OF BORE.(D)    		 KEYWAY
    WIDTH(b) X DEPTH(t2)    		 SETSCREWS
    1/2" - 9/16" 1/8" X 1/16" 10-24 UNC
    5/8" - 7/8" 3/16" X 3/32" 1/4"-20 UNC
    15/16" - 1 1/4" 1/4" X 1/8" 5/16"-18 UNC
    1 5/16" - 1 3/8" 5/16" X 5/32" 5/16"-18 UNC
    1 7/16" - 1 3/4" 3/8" X 3/16" 3/8"-16 UNC
    1 13/16" - 2 1/4" 1/2" X 1/4" 1/2"-13 UNC
    2 5/16" - 2 3/4" 5/8" X 5/16" 5/8"-11 UNC
    2 13/16" - 3 1/4" 3/4" X 3/8" 5/8"-11 UNC
    3 5/16" - 3 3/4" 7/8" X 7/16" 3/4"-11 UNC
    3 13/16" - 4 1/2" 1" X 1/2" 3/4"-11 UNC
    4 9/16" - 5 1/2" 1 1/4" X 5/8" 3/4"-11 UNC
    5 9/16" - 6 1/2" 1 1/2" X 3/4" 3/4"-11 UNC
    HUB SIZE MAY REQUIRE SMALLER SETSCREWS IN SOME INSTANCES.

    STANDARD BORE TOLERANCES.
    DIAMETER OF BORE(D) BORE TOLERANCE
    1" AND LESS +0.001/ -0.000
    1 1/16" TO 2.0" +0.002/ -0.000
    2 1/16" TO 3.0" +0.003/ -0.000
    3 1/16" AND UP +0.004/ -0.00


    STANDARD KEYWAY TOLERANCE
    WIDTH OF KEYWAY(b) +0.002/ -0.002
    DPTH OF KEYWAY(t2) +0.010/ -0.000