supply of sprocket [3 items]sprocket [3 items],simplex sprocket 1 x 22 teeth asa standard b type. hub dia=135mm,hub width=3 5mm,total width of sprocket=50mm.the teeth only should be flame or induction hardened t o 40-50 hrc.the hub should be soft and machinable with pilot bore to size 25mm.the material should be en-24. [ warranty period: 12 months after the date of delivery ] ] , simplex sprocket b type to size: 1 pitch x 35 teeth, asa standard with finished bore to size: 50.02 mm and key way 14 mm wide x 7 mm depth. boss outer dia -120 mm and widt h - 50 mm. 02 nos drilled and tapped holes right angles to each other to size m10 shall be d one, one tapped hole shall be on the keyway. teeth should be flame harderned to 300-330 b hn. material 40c8 to is:1570/en8a. [ warranty period: 12 months after the date of delivery ] ] , sprocket 1-1/2 pitch x 13 teeth, 120 asa standard, b type, boss dia 105 mm, mater ial-en 24, teeth to be flame hardened to 40-45 hrc, with pilot bore to size 20 mm. two nos dri lled and tapped hole to size m12 right angles to each other to be done on boss. [ warranty period: 12 months after the date of delivery ] ] => limited