Description:
Down-thrust clamp for rapid manual clamping and workpiece exchange.

Application:
For compact fixture clamping, mounted either in a T-slot or directly to a fixture base.

Features:
- Rapid hand clamping by threaded spindle and spiral cam
- Clamp arm pivots for quick workpiece exchange
- Compact clamping space
- Clamping height adjustable with riser bars

Material:
- Steel

Finish / Version:
- Case-hardened
- Black oxidised
- Ground

Dimensions:
- Form: C
- Form type: With Cam Lever And Thread
- Maximum clamping height H1: 98 mm
- Minimum clamping height H2: 68 mm
- H3: 15 mm
- H4: 91-121 mm
- Clamp arm width: 28 mm
- Clamping travel: 1.5 mm
- Swivel range: 360deg
- Main spindle / mounting thread: M12
- Hexagon: SW 36
- Body diameter: 40 mm
- Base width: 40 mm
- Base height: 17 mm
- Arm length: 55 mm
- Threaded section: M12
- Arm offset: 43 mm
- Side dimension: 23 mm

Load / Force Data:
- Maximum clamping force shown in drawing: 10000 N

Accessories:
- K0018 riser bars
- K0282 self-aligning pads for threaded forms

Notes:
Clamping heights can be increased using K0018 riser bars. For K1231.12-.14 and K1231.22-.24, height can be reduced with K0282 self-aligning pads.