Description
KOKEN Hex Power Bit, 1/4" Hex Shank — 121H series, genuine KOKEN tool supplied through the official Korean importer.
These are metric hex sizes. Inch hex screws need inch bits.
A hex power bit with a 1/4" hex shank for drills, impact drivers and quick-change holders. It drives socket head cap screws in assembly, furniture and construction work, and is replaced when the corners wear.
Key Features
- 1/4" hex shank for drills and power drivers
- Metric hex sizes as listed for each model
- Replace the bit when its corners show wear
Specifications
| Size / Spec |
Part No. |
| 3x100mm |
121H-100-3 |
| 4x100mm |
121H-100-4 |
| 5x100mm |
121H-100-5 |
| 6x100mm |
121H-100-6 |
| 3x150mm |
121H-150-3 |
| 4x150mm |
121H-150-4 |
| 5x150mm |
121H-150-5 |
| 6x150mm |
121H-150-6 |
| 3x50mm |
121H-50-3 |
| 4x50mm |
121H-50-4 |
| 5x50mm |
121H-50-5 |
| 6x50mm |
121H-50-6 |
| 3x70mm |
121H-70-3 |
| 4x70mm |
121H-70-4 |
| 5x70mm |
121H-70-5 |
| 6x70mm |
121H-70-6 |
| 2.5x70mm |
121H-S-70-2.5 |
| 3x70mm (121H-S-70-3) |
121H-S-70-3 |
| 4x70mm (121H-S-70-4) |
121H-S-70-4 |
| 5x70mm (121H-S-70-5) |
121H-S-70-5 |
| 6x70mm (121H-S-70-6) |
121H-S-70-6 |
| 2x50mm |
121H-50-2 |
| 2.5x50mm |
121H-50-2.5 |
| 2x70mm |
121H-70-2 |
| 2.5x70mm (121H-70-2.5) |
121H-70-2.5 |
| 2x100mm |
121H-100-2 |
| 2.5x100mm |
121H-100-2.5 |
| 2.5x150mm |
121H-150-2.5 |
About KOKEN
Ko-ken (Yamashita Kogyosho) is a Japanese maker of sockets, ratchets, bit sockets and impact sockets, widely used in automotive and industrial maintenance.
Ordering & Shipping
- Genuine product sourced through the official Korean importer
- Ships worldwide from South Korea by FedEx International Priority Express
- Import duties and taxes are payable by the recipient
- Bulk and trade pricing available on request
- Lead time: please inquire for sizes not in stock
