O.T. Stepped key for shaft.

Gene Davis (Ga.)

Well-known Member
I need a stepped key for a shaft. It needs to be 1/4" on the bottom side and 3/16' on the top. Local machine shop charges $65.00 per hour and estimates about 1&1/2 hr to make it. $97.50 for a 1&1/2" long key! Anybody know where I might could buy this key?
 
Try small engine and garden equipment shop- like equipment rental place. Those types of key were sometimes needed for pulley to fit on engine and drive train shafts- Shop I worked for years back had assortments of keys including offsets and stepped. RN
 
1. McMaster Carr- Alanta Ga, Chicago Ill and Los Angeles

2. Power train distributor-Motion Industries, Detroit Ball Bearing, Kaman Industrial, Applied Industrial Technologies, Dixie Bearing -Brunner Bearing or anyone else that has "bearing" in their name
 
Maybe your machine shop can cut a 1/4 in keyway in your pulley, or sprocket. This would take less than 15 min, if they have the tooling. Stan
 
That can be done fairly easily with a good flat file, which sounds about like what your machine shop is up to if they're going to charge you 1.5 hours labor to make a damn key. Buy a length of 1/4" keystock and file it out...

Rod
 
McMaster-Carr shows step key stock. Foot long pieces. Two different heights for 3/16 and 1/4" wide. 92271A211 and 92271A212 Around $13 a piece. Their computer says they are both in stock. www.mcmaster.com

Gerald J.
 
I would of thought that a good farm store would carry step key stock. The one I worked for here in Missouri carries it in one foot sections or at leased did last I knew.
 
Find another shop, it shouldn't take any machinist anymore than 10 minutes to custom mill a rectangular key.
 
Only thing that makes sense is that shop must have more work then they need and don't want to mess with it.

This is exactly why I have a lathe and a mill in my shop.
 

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