Air Shafts

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CAC Products >>> Shafts and Chucks >>> Air shaft standard dimensions

Tech tip: Core Holding for Effective Tension Control

COR-LOK LOGO / COR-LOK® Air Shafts
COR-LOK air shaft deflated view
CIR-LOK air shaft inflated view
COR-LOK air shaft thru shaft

COR-LOK® air shaft dimensions
To fit core size A
Deflated
diameter		 B
Inflated
diameter		 C
Bore range		 D
Expanding length		 E
Over all length		 F
End cap,
plain end		 G
End cap, valve
end (PTV valve)		 H
End cap, valve
end (Schrader valve)
1” 31/32” 1-3/32” N/A 3” - 30” N/A  1”  N/A  1” 
1-1/2” 1-15/16” 1-19/32” N/A 3” - 30” N/A  1”  N/A  1” 
2” 1-31/32” 2-3/32” Up to 1” 3” - 72” 5” - 74”  1”   1.5”   1” 
3” 2-15/16” 3-3/16” Up to 1.75” 3” - 120” 5” - 122”  1”   1.5”   1” 
4” 3-15/16” 4-3/16” Up to 2.75” 3” - 120” 5” - 122”  1”   1.5”   1” 
5” 4-15/16” 5-3/16” Up to 3” 3” - 120” 5” - 122”  1”   1.5”   1” 
6” 5-15/16” 6-3/16” Up to 4” 3” - 120” 5” - 122”  1”   1.5”   1” 
6.75” 6-11/16” 6-7/8” Up to 4” 3” - 120” 5” - 122”  1”   1.5”   1” 
7” 6-15/16” 7-3/16” Up to 5” 3” - 120” 5” - 122”  1”   1.5”   1” 
8” 7-15/16” 8-3/16” Up to 6” 3” - 120” 5” - 122”  1”   1.5”   1” 
9” 8-15/16” 9-3/16” Up to 7” 3” - 120” 5” - 122”  1”   1.5”   1” 
10” 9-15/16” 10-3/16” Up to 8” 3” - 120” 5” - 122”  1”   1.5”   1” 
11” 10-15/16” 11-3/16” Up to 9” 3” - 120” 5” - 122”  1”   1.5”   1” 
12” 11-15/16” 12-3/16” Up to 10” 3” - 120” 5” - 122”  1”   1.5”   1” 
NOTE: Thru bores machined .010” - .015” oversized unless otherwise specified.
NOTE: COR-LOK air shafts are available for non-standard and metric core sizes.
Please contact us at 800-433-2413 or e-mail us at cac@epix.net
for more information on non-standard and metric core diameters.

Valve Options

COR-LOK® air shaft and chuck valve options

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CAC COR-LOK® Air Shafts and Air Chucks are manufactured under U.S. Patent Numbers: 3825167, 3917187, 3937412, 4124173 and 4944468
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