3/4" Square Drive Adaptors with Phosphate Finish
- High-performance alloy steel
- Square female size: 3/4"
- Square male size: 1", 1/2"
- Phosphate finish
- For maximum safety use clamping springs
- With through-hole
- D2 = outside diameter of the female end
- Drive standard: DIN 3121-H 20, ISO 1174