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4029-6M Ribe Bit Socket | ½” Drive 150mm Extra-Long
4029-6M Series: ½” Drive 150mm Extra-Long Pattern Ribe Bit Socket
- Douilles tournevis para tornillos
- śrubokręt nasadowy
- Steckschlüssel-Schraubendreher
- Vasos destornilladores
- مفك البراغي
- ไขควงปากแบน
- Up to HRC 60º Bit Driver Made by W/S2 Steel Material
- 4029/ 4029-4/ 4029-6/ 4029-8
- Understanding Bit Sockets: A Smart Combination of Power and Precision
Ribe Bit Socket (Model 4029-6M Extra-Long Series) is an industrial-tier 1/2″ square drive specialty manual fastening instrument engineered for deep-access mechanical repairs. The Ribe profile is widely utilized across European automotive platforms—specifically for cylinder head bolts, drivetrain brackets, and engine blocks on Volkswagen, Audi, Fiat, and Alfa Romeo vehicles.
| 4029 | 4029 L : 60mm | 4029-4 L : 100mm | 4029-6 L : 150mm | 4029-8 L : 200mm |  pcs |
|---|---|---|---|---|---|
| M4 | 65(g) | 110(g) | 126(g) | 160(g) | 10 |
| M5 | 65(g) | 110(g) | 126(g) | 160(g) | 10 |
| M6 | 70(g) | 115(g) | 131(g) | 164(g) | 10 |
| M7 | 70(g) | 115(g) | 131(g) | 164(g) | 10 |
| M8 | 70(g) | 115(g) | 131(g) | 164(g) | 10 |
| M9 | 85(g) | 118(g) | 134(g) | 166(g) | 10 |
| M10 | 92(g) | 120(g) | 136(g) | 168(g) | 10 |
| M11 | 95(g) | 140(g) | 188(g) | 230(g) | 10 |
| M12 | 100(g) | 160(g) | 200(g) | 236(g) | 10 |
| M13 | 110(g) | 170(g) | 230(g) | 296(g) | 10 |
| M14 | 120(g) | 180(g) | 230(g) | 296(g) | 10 |
| M16 | 142(g)-63mm | 230(g) | 260(g) | 326(g) | 10 |
| M18 | 250(g) | 290(g) | 320(g) | 390(g) | 10 |
| M20 | 280(g) | 320(g) | 340(g) | 410(g) | 10 |
Feature
4029-6M Structural Blueprint eliminates mechanical slop when executing high-torque cylinder restorations:
- 150mm Deep-Access Shaft Corridor: Custom-configured to access deeply recessed engine hardware where standard 60mm or 80mm tools bottom out against overhead cowlings, brackets, or wiring looms. This continuous straight-line shank provides an inline torque corridor, eliminating the structural play, flexing, and drop risks caused by linking short bit sockets to separate extension bars.
- Premium Two-Piece Material Matrix: Ground from high-hardness S2 screwdriver tool steel to provide absolute resistance against twisting or shearing under high break-away forces. The premium bit core is permanently pressed under intense hydraulic load into an independent, drop-forged Chrome Vanadium (Cr-V) steel hand socket base.
- CNC Machined Ribe Drive Configuration: Precision-milled to drop flush into internal Ribe fasteners. The straight-walled spline teeth profile distributes manual turning forces symmetrically, eliminating the point-loading and fastener cam-out common when using incorrect star tools.
