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1) European standard finished bore sprockets 2) For roller chains DIN8187-ISO/R 606 3) Teeth: inductioned hardness (HRc45-55) 4) Final bore tolerance H7 5) Roughness value RA 1,6

 

1) European standard finished bore sprockets
2) For roller chains DIN8187-ISO/R 606
3) Teeth: inductioned hardness (HRc45-55)
4) Final bore tolerance H7
5) Roughness value RA 1,6
6) Keyway to DIN6885/BS 4235, is located on center line of tooth
7) Two grub screw holes
8) (06B)3/8"x7/32" Pitch-9.525mm Roller-ø6.35
9)(08B)1/2"5/16" Pitch-12.70mm Roller-ø8.51
10) (10B)5/8"x3/8" Pitch-15.875mm Roller-ø10.16mm
11) (12B)3/4"x7/16" Pitch-19.05mm Roller-ø12.07mm
12) (16B)1"/17.02mm Pitch-25.40mm Roller-ø15.875mm
13) (20B)1"1/4x3/4" Pitch-31.75mm Roller-ø19.05mm

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