Unilock Modular Workholding System Vol. 2

ASM 120

A Grid Plate’s Best Friend Changing positions and jobs is no problem for this plate-friendly smaller, yet robust chuck with multiple positioning and securing options. Features: • Integrated toe clamp lip • Reduced diameter for small work or tight spaces • Jig ground reference pin location on bottom of chuck

• Air supply from bottom or side of chuck • Optional timing pin hole in face of chuck • Non-air mechanical version available

The manual version comes with a wrench for easy opening and closing.

The Model 120 chuck has a reference hole on center (shown here with a step pin). Threaded holes are also provided for mounting the chuck to a baseplate.

Optional Timing Pin Feature

Toe clamps can also be used to clamp the chuck in place.

Recommended Bolt Sizes

Clamping Force (lbs)

Air Connection

Chuck Model

Catalog Number

Notch (Width x Qty)

Weight (lbs)

M10 M12 M16 M20† M24† Spring Only Turbo Assist

Port Size Flange

15.270.150 15.270.155 15.270.161 15.270.160 15.270.180 15.270.185

ASM 120

8 H7 x 1

770-990 2,860-3,300*

1/8

P

P

P

— — —

8.8

ASM 120-SS

8 H7 x 1

ASM 120M

1,760-2,200

— —

8 H7 x 1

AIR FITTINGS

ACCESSORIES

REPAIR COMPONENTS

• O-rings included * Sealed pocket required for Turbo Assist † Optional

PG. 144

PG. 148

PG. 149

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