The basic idea for the prototype of the Kraftform handle – that the hand should dictate the design – has, right through to today, proved to be correct. In cooperation with the internationally recognised Fraunhofer IAO Institute, Wera developed a screwdriver handle designed to match the shape of the human hand as long ago as the 1960s. After a long development phase, the Wera Kraftform handle was launched to the market in 1968. It has been optimised through the years with new technologies, but has kept its proven shape. After all, the human hand has not changed either.
816 R SB Bitholding screwdriver with Rapidaptor quick-release chuck
05073540001, 1/4" x 119 mm- Rapid bit change with the Rapidaptor quick-release chuck
- Multi-component Kraftform handle for fast and ergonomic screwdriving
- Rapidaptor technology for rapid bit change
- Hexagonal anti-roll feature against rolling away
- For bits with 1/4" hex head drive as per DIN ISO 1173-C 6.3 and E 6.3
Product features
Prevents hand injuries
The outstanding design of the Kraftform handle that fits perfectly into the hand prevents hand injuries such as blisters and calluses.
Kraftform
Rapid-in and self-lock
The bit can be pushed into the adaptor without moving the sleeve. The lock is activated automatically as soon as the bit is applied to the screw. Bits are held securely and wobble-free.
Rapid-out
Simply push the sleeve forward to change the bit. The spring mechanism lifts the bit off the magnet and unlocks the tool. The bit can be easily removed. The rapid-out function makes it easy to remove even the smallest bits without extra tools.
Chuck-all
The Rapidaptor quick-release chucks hold ¼" DIN ISO 1173-C 6,3 and E 6,3 as well as Wera series 1 and 4 bits.
Rapid-spin
The free-turning sleeve allows screw steadying at the start of the screwdriving process. This makes it easier to apply the tool to the screw and prevents slipping. It can also be used as a short extension for ¼" applications e.g. in combination with the Wera Zyklop Ratchets.
Single-hand function
Every function of the Rapidator quick-release chuck, such as inserting or releasing bits, can be carried out with one hand. This is faster, more economical and more ergonomic. There are no unnecessary manoeuvres.
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Product description
Premium bitholding screwdriver. The Rapidaptor quick-release chuck allows for lightning-fast bit changes without any extra tools. The strong permanent magnet holds the bits firmly. Kraftform Plus handle for comfortable ergonomic screwdriving, which avoids blisters and calluses. Hard handle zones for high working speeds, while soft handle zones guarantee a high torque transfer. Suitable for bits with 1/4" external hexagon drive as per DIN ISO 1173-C 6.3 and E 6.3 (ISO 1173).
Tools in this set
Part number: 05073540001
11/4" x 119 mm
05051462001
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