800.253.0820
3977 Emerald Dr., Kalamazoo, MI 49001
3 Jaw Wedge Type Closed Center Power Chuck
Untitled Document

PA 18" - 63" Large Diameter Chucks

  • All steel body
  • Standard 3 jaw closed center wedge chuck for general machining
  • Hardened jaw ways and all internal parts
  • Standard metric serrations 3.0mm serration pitch

See complete product details in our latest catalog >>

Table Test

Model No. Mount Width* Jaw Stroke Dia Sleeve Stroke Gripping Capacity Draw Bar Pull lb/f Grip Force lb/f Ma" RPM Wt lbs
     MaxMin       
PA18-A11 1.06" .630" 1.378" 17.71" 5.19" 18,400 55,977 2710 274
PA21-A111.06".630"1.378"20.87"2.68"18,40061,3501940367
PA24-A11 1.06" .630" 1.378" 24.02" 5.98" 18,400 61,350 1760 492
PA24-A151.06".630"1.378"24.02"5.98"18,40061,3501760492
PA28-A11 1.06" .630" 1.378" 27.95" 1.37" 18,400 61,350 1200 617
PA28-A151.06".630"1.378"27.95"1.37"18,40061,3501200617
PA32-A11 1.06" .787" 1.496" 31.49" 7.08" 22,500 53,900 900 705
PA32-A151.06".787"1.496"31.49"7.08"22,50053,900900705
PA40-A11 1.06" 1.181" 2.244" 39.37" 11.42" 40,450 89,900 500 1,323
PA40-A151.06"1.181"2.244"39.37"11.42"40,45089,9005001,323
PA40-A20 1.06" 1.181" 2.244" 39.37" 11.42" 40,450 89,900 500 1,323
PA501.06"1.181"2.244"49.21"11.42"40,45089,9004501,763
PA55 1.06" 1.181" 2.244" 53.12" 11.42" 40,450 89,900 400 2,425
PA631.06"1.181"2.244"62.99"11.42"40,45089,9003503,307
*Add to dimension B for total width

Table Test

Dimensional Data (in inch)
ModelPA-18 PA-21PA-24 PA-28PA-32 PA-40PA-50 PA-55PA-63
A17.71 20.8724 27.9531.49 39.3749.21 5563
B4.48 4.924.92 5.95.9 7.097.09 7.87.8
C11.81 14.9614.96 14.9614.96 20.4720.47 28.3528.35
F0.236 0.2360.236 0.2360.236 0.3140.314 0.3140.314
H9.25 1313 1313 18.2518.25 25.525.5
J- -- -- -- --
K6-M20 6-M226-M22 6-M226-M24 6-M246-M24 6-M246-M24
L1.18 1.221.22 1.221.38 1.381.38 1.381.38
M1.69 2.362.36 2.362.99 3.943.94 3.943.94
N max.4.25 3.384.92 3.863.91 5.775.77 5.775.77
N min.3.93 3.074.61 3.463.52 5.185.18 5.185.18
O max.1.98 3.683.68 5.637.08 8.869.25 16.7320.67
O min.0.91 0.960.96 1.181.18 1.181.18 1.181.18
P max.3.62 3.823.82 1.371.1 1.381.38 1.381.38
P min.0.88 2.442.44 -0.118-0.39 -0.87-0.87 -0.87-0.87
Q1.97 2.562.56 2.952.95 3.353.35 3.353.35
R1 0.9840.984 9.841 0.9840.984 0.9840.984
S2.16 2.1652.17 2.562.36 2.5392.559 2.5592.559
TM30x3.5 M30x3.5M30x3.5 M30x3.5M30x3.5 M36x4.0M36x4.0 M36x4.0M36x4.0
U0.078 0.1180.118 0.3540.236 -0.159-0.159 -0.159-0.159
V2.36 2.362.36 -- -- --
W2.4 2.82.8 2.953.19 4.174.17 4.174.17
X5.31 7.097.09 6.36.3 7.877.87 7.877.87