top of page
PRATT BURNERD/ATLAS MCA 4-JAW SQUARE LOW PROFILE SCROLL CHUCKS
PRATT-ATLAS SQUARE SUPER THIN_edited.png

Series MCA

  • Universal scroll chuck design

  • End-surface clamping design enables fast efficient mounting of several chucks to a worktable

  • Super thin design allows greater Z-axis machining

  • Elongated slots allows fast and easy positioning on worktable, simply use standard T-bolts, versus mounting adapter plates required by conventional chucks

  • Milled key-slots on the base plate allows accurate quick changing of the chucks

  • Ideal for pallet applications, Standard Mills, Vertical Machining Centers, Angle Plates, Tombstones, and Grinding Machines

  • American Standard, hard top and master jaws

  • One year warranty

Part Number
Approx Weight
OD Minimum
OD Maximum
ID Minimum
ID Maximum
MCA6
25 lbs
.16"
5.04"
2.17"
5.04"
MCA8
41 lbs
.20"
6.38"
2.44"
6.34"
MCA10
70 lbs
.24"
7.78"
2.83"
7.78"
MCA12
125 lbs
.39 "
10.43"
3.54 "
10.43"
PRATATLS MCA 4-JAW CHOICES.png
Order Part #
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
S
MCA6
8.46"
2.24"
0.71"
5.12"
1.57"
0.22"
M10x1.5
2.68"
1.02"
1.54"
.551"
5.67"
6.50"
5.67"
6.50"
2.60"
0.71"
MCA8
9.84"
2.56"
0.79"
6.30"
2.17"
0.24"
M12x1.7
3.23"
1.10"
1.69"
.669"
6.85"
7.87"
6.85"
7.87"
3.27"
0.71"
MCA10
12.20"
2.83"
0.87"
7.87"
2.76"
0.24"
M14x2
3.66"
1.26"
1.97"
.827"
8.58"
9.84"
8.58"
9.84"
4.09"
0.71"
MCA12
14.96"
3.35"
0.98"
10.24"
3.94"
0.27"
M16x2
4.64"
1.57"
2.20"
.905"
10.79"
12.20"
10.79"
12.20"
5.31"
0.87
MCA6
8.46"
2.24"
0.71"
5.12"
1.57"
0.22"
M10x1.5
2.68"
1.02"
1.54"
.551"
5.67"
6.50"
5.67"
6.50"
2.60"
0.71"
MCA8
9.84"
2.56"
0.79"
6.30"
2.17"
0.24"
M12x1.7
3.23"
1.10"
1.69"
.669"
6.85"
7.87"
6.85"
7.87"
3.27"
0.71"
MCA10
12.20"
2.83"
0.87"
7.87"
2.76"
0.24"
M14x2
3.66"
1.26"
1.97"
.827"
8.58"
9.84"
8.58"
9.84"
4.09"
0.71"
MCA12
14.96"
3.35"
0.98"
10.24"
3.94"
0.27"
M16x2
4.64"
1.57"
2.20"
.905"
10.79"
12.20"
10.79"
12.20"
5.31"
0.87
MCA6
8.46"
2.24"
0.71"
5.12"
1.57"
0.22"
M10x1.5
2.68"
1.02"
1.54"
.551"
5.67"
6.50"
5.67"
6.50"
2.60"
0.71"
MCA8
9.84"
2.56"
0.79"
6.30"
2.17"
0.24"
M12x1.7
3.23"
1.10"
1.69"
.669"
6.85"
7.87"
6.85"
7.87"
3.27"
0.71"
MCA10
12.20"
2.83"
0.87"
7.87"
2.76"
0.24"
M14x2
3.66"
1.26"
1.97"
.827"
8.58"
9.84"
8.58"
9.84"
4.09"
0.71"
MCA12
14.96"
3.35"
0.98"
10.24"
3.94"
0.27"
M16x2
4.64"
1.57"
2.20"
.905"
10.79"
12.20"
10.79"
12.20"
5.31"
0.87
bottom of page