Home / For sale / Bolting and Torque Tools / 1/2″ Dr Hex Socket Set In Case – 10pc 4012M/10
1/2″ Dr Hex Socket Set In Case – 10pc 4012M/10
A 10-piece 1/2″ drive flat hex socket set in a carry case, cold-forged from chrome molybdenum alloy and compliant with DIN 3129 and ISO 2572-2.
Categories: Bolting and Torque Tools, Sockets and Accessories
Brand: Koken
More Information
The Koken 4012M Hex Socket Set is a 10-piece 1/2″ drive flat drive socket set supplied in a carry case. Flat surface contact between socket and fastener reduces wear and enables higher torque transmission than conventional hex sockets. Cold-forged and heat-treated from chrome molybdenum alloy, these sockets meet and exceed DIN 3129 and ISO 2572-2. Manufactured in Japan by Koken.
Key Features
- Flat drive system — full flat surface contact reduces wear and increases torque transmission.
- Cold-forged, heat-treated chrome molybdenum alloy construction for durability and long service life.
- 10 pieces supplied in a carry case for organised storage and transport.
- Meets and exceeds DIN 3129 and ISO 2572-2 standards.
- Manufactured in Japan by Koken to precision engineering standards.
Typical Applications
- Torque wrench work on 1/2″ drive fasteners
- Applications requiring higher torque transmission than standard hex sockets
- Precision assembly and maintenance requiring standards-compliant tooling
- Industrial and workshop use requiring an organised socket set
Koken 4012M Hex Socket Set Specifications
| Spec | Detail |
|---|---|
| Model | 4012M/10 |
| Drive Size | 1/2″ |
| Pieces | 10 |
| Contact System | Flat drive (full flat surface contact) |
| Material | Cold-forged, heat-treated chrome molybdenum alloy |
| Standards | DIN 3129, ISO 2572-2 |
| Supplied With | Carry case |
| Origin | Made in Japan by Koken |





