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richarddurgee
Senior Member
Username: richarddurgee
Post Number: 1541
Registered: 11-2001
| | Posted on Friday, October 05, 2007 - 11:32 am: | 
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Have been looking for a 5/16 Gib key 3 1/2 long,
any sources ?? suppliers i've tried only go to 3 inch ?
Thanks Richard
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chuckinkona
Member
Username: chuckinkona
Post Number: 15
Registered: 07-2006
| | Posted on Friday, October 05, 2007 - 12:48 pm: |
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Aloha Richard,
McMaster Carr website shows a 5/16 X 4 inch gib key under their number of 98471A146.
Chuck |
richarddurgee
Senior Member
Username: richarddurgee
Post Number: 1543
Registered: 11-2001
| | Posted on Friday, October 05, 2007 - 06:45 pm: |
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Chuck Thanks-
Went to Mc Masters site and their catalog and it has a diagram of gib key measurements- I was measuring the overall length including the head - so the three inch key was the one I needed !
Tapered Machine Keys with Gib Head
Use these keys on power transmission shafts to hold pulleys and gears tightly on the shaft. Keys taper 1/8" per foot and fit snugly into the keyway. Made from plain C1018 steel. The square dimension is measured under the head at A and B. Tolerances for the square dimension are: 3/16" to 1/2": -.002"; 5/8" to 1": -.003". Tolerance for the C dimension is ±.005". Tensile strength is 82,000 psi. Rockwell hardness is B85.
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