FLEX "SD 7-320 4" Cordless Screwdriver 1 Stück

FLEX SD 7-320 4 Cordless Screwdriver — Precise 12V Cordless Screwdriver for Disassembly and Assembly in Vehicle Detailing

What is the FLEX SD 7-320 4? The screwdriver is a compact cordless screwdriver with 12V FLEX battery technology — a lightweight, precise hand tool for assembly and disassembly work in vehicle reconditioning, interior renovation, and professional detailing.

Professional detailing often begins not with the polisher, but with the screwdriver. Those who completely recondition vehicle interiors dismantle trim panels, emblems, headrests, and decorative strips — and reassemble them after the work is done. The FLEX SD 7-320 4 Cordless Screwdriver is designed for precisely these tasks: compact, lightweight, precisely controllable, and powered by the FLEX 12V battery system.

In the detailing context, an overly powerful cordless drill is often the wrong tool — it rotates too fast, delivers too much torque, and carries the risk of overtightening delicate plastic threads or damaging trim clips. The SD 7-320 4 is designed with a maximum torque of 7 Nm, which is correctly dimensioned for vehicle interior screws: no overtightening, no stripping, no damage to delicate threads in plastic carriers.

As part of the FLEX 12V system (P-Set 12-22 Q), the SD 7-320 4 benefits from the FLEX platform strategy: one battery pack for all 12V tools, one charger for the entire 12V range. The screwdriver is available without battery and charger — for those who are already established in the FLEX 12V system and want to use the device directly with existing battery packs.

• Compact, lightweight design — ideal for disassembly work in confined vehicle areas. The compact design of the FLEX SD 7-320 4 makes it easy to handle even in cramped vehicle interiors: in footwell trims, under dashboards, behind door panels. The low weight of the 12V battery pack makes long operations less fatiguing — a relevant advantage when many screws are loosened and tightened in quick succession.
• Precise torque for delicate vehicle screws — no overtightening, no damage. With a maximum torque of 7 Nm, the SD 7-320 4 is matched to the typical screw sizes and materials in vehicle interiors. Trim screws in plastic threads, decorative strip holders, and fine fasteners are neither overtightened nor damaged by excessive torque when loosened. The speed control also allows for sensitive work.
• FLEX 12V battery system — cordless freedom for disassembly and assembly work around the vehicle. The SD 7-320 4 operates wirelessly with FLEX 12V battery packs — no cable that interferes when working in confined areas, no searching for power outlets in the workshop. The cordless freedom makes disassembly work faster and more convenient, especially when numerous parts need to be removed for interior reconditioning.

Practical tip from Detailing1: Use the FLEX SD 7-320 4 as the first tool for interior reconditioning: loosen headrests, floor mat fasteners, trim screws, and emblems before using the polisher. What has been disassembled can be cleaned and reconditioned more thoroughly — and precisely reassembled after the work. For screws in delicate plastic threads, always start with the lowest torque setting. If using a torque clutch, set it to disengage just before the final tightening torque — this reliably prevents overtightening of plastic threads.

Application areas in vehicle detailing — where the cordless screwdriver is indispensable

In professional detailing, there is a long list of tasks where a precise cordless screwdriver like the SD 7-320 4 saves time and prevents damage. These tasks regularly occur in every complete vehicle reconditioning.

Interior disassembly for complete reconditioning: Those who professionally recondition a vehicle interior remove at least floor mats, seat bases, headrests, and door panels to completely clean underlying areas. Some detailers go further and dismantle center consoles, headliner clips, and trunk trims. All these tasks require a screwdriver with the correct torque characteristics — too powerful, and the thread is ruined; too weak, and stuck screws won't come out. The SD 7-320 4 precisely strikes the balance for vehicle interior work.

Emblem removal for foiling or paint correction: Many vehicle owners want to have emblems removed before ceramic coating or foiling to achieve seamless results. Emblems are often attached with screws or threaded rods that are accessible from inside the trunk. The SD 7-320 4 loosens these connections quickly and gently, without stressing the sheet metal with excessive torque.

Mirror and add-on parts for exterior paint reconditioning: For complete paint corrections, it is recommended to dismantle exterior mirrors, grille clips, and decorative strips to professionally work on underlying paint edges. These mounting points are often delicate and require precise tools. With the SD 7-320 4, add-on parts are quickly loosened and cleanly reassembled after paint reconditioning — without tool marks or damaged mounting points.

Accessory installation and vehicle equipment: When installing accessories such as camera systems, footwell lighting, or sound system connections, screw work regularly occurs. The SD 7-320 4 is the ideal hand tool here: small enough for tight cable ducts, precise enough for the delicate mounting points of plastic housings and electronic accessories.

Roof consoles and headliner fasteners are another typical disassembly area: During complete interior refurbishment, the headliner trim, grab handles, and sun visors are often removed to clean underlying areas or treat headlinings for reconditioning. The screws of these components are small and often in hard-to-reach positions — a short, lightweight screwdriver like the SD 7-320 4 is more precise to handle here than a clumsy drill driver. Anyone who has ever damaged a headliner fastener with an oversized tool appreciates the difference.

Seat disassembly for complete reconditioning: In high-quality vehicle reconditioning, seats are completely removed to thoroughly clean underlying footwell carpets and make the entire seating area accessible. Car seats are usually attached to the floor with four to six Torx or Phillips screws — often in combination with electrical connectors for seat heating or airbag systems. The SD 7-320 4 loosens the screws quickly and reproducibly, without damaging the connector area. For seats with airbag connectors: always disconnect the battery first and wait long enough before working on airbag-adjacent connectors — this is a safety rule that applies regardless of the screwdriver.

SD 7-320 4 Torque and Speed — Technology for Vehicle Interiors

The screwdriver is designed with a maximum torque of 7 Nm and an adapted speed characteristic for the specific requirements of vehicle interior screws. This technical positioning is no coincidence — it is the result of an analysis of what professional technicians in vehicle reconditioning actually need.

Most fasteners in vehicle interiors are M4 to M6 screws in plastic threads or sheet metal threads with a prescribed tightening torque of 2–6 Nm. A standard drill driver with 40–60 Nm would either overtighten these screws in the first gear if set incorrectly or strip the thread. The SD 7-320 4, with its 7 Nm maximum, is optimized for precisely this range — it can apply the necessary torque without causing damage from overtightening.

The electronic speed control of the SD 7-320 4 allows for sensitive work through varying pressure on the trigger. For loosening stubborn screws, the trigger is fully depressed; for the final tightening of delicate screws in plastic threads, the trigger is only lightly pressed. This sensitivity is more important for vehicle interior work than raw torque power.

SD 7-320 4 in the FLEX 12V System — Platform Advantages for Workshop Equipment

The SD 7-320 4 is part of the FLEX 12V tool range and shares its battery platform with all other 12V FLEX devices. This means specifically: a P-Set 12-22 Q battery set with battery pack and charger powers the SD 7-320 4 and all other future FLEX 12V tools.

For workshops that already operate the FLEX 18V system with P-Set 55 R or similar sets, the SD 7-320 4 is a complementary 12V tool category. The FLEX system strategy makes it possible to maintain an independent 12V ecosystem for hand tools parallel to the 18V system for high-performance tools — with different chargers and battery packs, but the same system trust in workmanship and compatibility.

The combination of FLEX 18V for polishers and heat guns and FLEX 12V for the cordless screwdriver is the complete cordless tool program for professional detailing: all frequently needed tools cordless, all from one manufacturer, all with defined system compatibility.

SD 7-320 4 vs. Classic Drill Drivers — Why Specialization Matters in Detailing

Many detailers and vehicle reconditioners ask whether the SD 7-320 4 cannot be replaced by a normal cordless drill driver. The answer: Technically yes — practically often problematic. Here are the most important differences.

Standard cordless drill drivers with 40–60 Nm of torque are dimensioned for wood and metal constructions. In vehicle interiors, however, one encounters plastic threads, clip systems, and fine threads in aluminum inserts. The torque stages of commercially available drill drivers are often too coarse for these delicate materials — the lowest torque stage of a 40 Nm screwdriver is often still too strong for vehicle interior plastics.

The SD 7-320 4, with its maximum 7 Nm torque and its 12V characteristic, is more precisely designed for vehicle applications. The smaller format and lower weight also make it more manageable in tight body situations. Those who regularly perform disassembly and assembly work on vehicles and want to reliably avoid damage from overtightening are significantly better off with a tool specialized for these tasks than with a drill driver that was actually bought for other purposes.

Hand screwdrivers as an alternative are a viable option for individual screws, but for 20–30 screws per vehicle interior, they are a strain on wrists and fingers. The time expenditure accumulates considerably: a complete interior disassembly with a hand screwdriver takes significantly longer than with a precise cordless tool. The SD 7-320 4 reduces this time expenditure to a minimum and at the same time protects the detailer's joints on multi-vehicle workdays.

If you already own a standard cordless drill driver and want to check if you can use it for vehicle work: the test is simple. Set the torque to the lowest level and try to tighten one of the typical plastic screws on a vehicle sample. If the screw overtightens, the torque is too high. For professional workshop use on customer vehicles, it is recommended in this case to invest in a specialized tool designed for vehicle screws.

Buy FLEX SD 7-320 4 — The Right Tool for Professional Vehicle Disassembly

The FLEX SD 7-320 4 Cordless Screwdriver is the right choice for all professional detailers and vehicle reconditioners who regularly disassemble interior parts for complete reconditioning, remove emblems for foiling or paint correction, and precisely reassemble add-on parts after work.

The device is available without battery and charger — combined with the FLEX P-Set 12-22 Q or an existing FLEX 12V battery pack, it is immediately ready for use. Those who already use FLEX 12V batteries get a valuable extension of their cordless tool program with the SD 7-320 4 without additional chargers or battery infrastructure.

As an addition to a complete FLEX detailing tool program with eccentric polisher, heat gun, and FS 140 Flexible Shaft, the SD 7-320 4 is the missing link: the hand tool for the preparation and post-processing phase of professional vehicle reconditioning, which enables all the detailed work that distinguishes a complete reconditioning service from a simple polishing pass.