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7400 series Kraftform Torque screwdrivers, with factory pre-set value (0.1-1.5 Nm) and Rapidaptor quick-release chuck, handle size 89 mm

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.

Kraftform

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.

Factory pre-set torque screwdriver with Rapidaptor quick-release chuck
Only adjustable with an extra tool
Suitable for bits with 1/4" hex head drive
Rapidaptor technology for rapid bit change
Distinct signal when pre-set value is reached
Multi-component Kraftform handle for high working speeds

Pre-set, adjustable torque screwdrivers

Wera torque screwdrivers. With a factory pre-set torque value set to the smallest scale value. For all applications, where the same constant torque and repeat accuracy are required. The torque can be changed with an extra tool within the measuring range (re-calibration kit can be ordered with the code number 05137003001). Afterwards you can check the set value using an off-the-shelf torque tester.

Unlimited torque

Unlimited torque for loosening seized screws.

Versatile

Rapidaptor technology makes the tool adaptable since bits and sockets can be exchanged rapidly.

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-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

Kraftform

Factory pre-set torque screwdriver with Rapidaptor quick-release chuck
Only adjustable with an extra tool
Suitable for bits with 1/4" hex head drive
Rapidaptor technology for rapid bit change
Distinct signal when pre-set value is reached
Multi-component Kraftform handle for high working speeds

7400 series Kraftform Torque screwdrivers, with factory pre-set value (0.1-1.5 Nm) and Rapidaptor quick-release chuck, handle size 89 mm

05074790001

Article description

Wera torque screwdriver. With a factory pre-set torque value set to the smallest scale value. For all applications, where the same constant torque and repeat accuracy are required. The torque can be changed with an extra tool within the measuring range (re-calibration kit can be ordered with the code number 05137003001). Afterwards you can check the set value using an off-the-shelf torque tester. Unlimited loosening torque for slackening stuck screws. Rapidaptor quick-release technology for rapid bit changes. Suitable for bits with a 1/4" external hexagon drive as per DIN ISO 1173-C 6.3 and E 6.3 (ISO 1173). Multi-component Kraftform handle with hard and soft zones for high working speeds, whilst being easy on the hand.
Please note: 1 Ncm = 0.01 Nm.

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Code

art. no.

inch

05074790001 ¹⁾

7450

1/4"

0.1

0.1-0.34

133

5 1/4"


art. no.	inch	Nm	Nm	mm	mm	inch
7450	1/4"	0.1	0.1-0.34	89	133	5 1/4"

05074792001 ¹⁾

7451

1/4"

0.3

0.3-1.0

133

5 1/4"


art. no.	inch	Nm	Nm	mm	mm	inch
7451	1/4"	0.3	0.3-1.0	89	133	5 1/4"

05074794001 ¹⁾

7452

1/4"

0.9

0.9-1.5

133

5 1/4"


art. no.	inch	Nm	Nm	mm	mm	inch
7452	1/4"	0.9	0.9-1.5	89	133	5 1/4"

¹⁾ The preset torque can be changed. However, this requires the use of special tools and Torque Test Equipment. Please contact the Wera Torque Service.