Page 1593 - Benma | Blue book 5.0

Torque tools and torque testers Tel. +41 44 736 63 63 • Fax +41 44 736 63 00 • sales@brw.ch
331890 Torque screwdriver

Suitable for micromechanics, electronics, the watchmaking industry, etc.; with scale, accuracy
±5% of the set value, triggering clockwise and anticlockwise, with test report, without blades and
sleeves (see 331900, 331910).
Versions without a scale (for presetting) and anticlockwise or clockwise locking are also available
(special brochure).
Order ID Type Working range Length
mNm mm
331890.0100 TR 10 5...50 80
331900 Reducing sleeve
for Torque screwdrivers 331890, so that the suitable screwdriver blade (331910) can be used.
Other diameters are available.
Order ID Inside Ø Order ID Inside Ø
mm mm
331900.0100 0.5 331900.0400 1.6
331900.0200 0.8 331900.0500 2
331900.0300 1.2

331910 Slotted screw blade
for torque screwdrivers 331890, suitable reducing sleeve (331900) must be used.
Other blade widths are available.
Order ID Tip width Tip thickness Blade Ø Length
mm mm mm mm
331910.0100 0.5 0.1 0.5 29
331910.0200 0.8 0.14 0.8 29
331910.0300 1.2 0.14 1.2 29
331910.0400 1.6 0.16 1.6 29
331910.0500 2 0.2 2 29
331980 Torque screwdriver WERA

Wera series 7400, with scale, works in clockwise operation.
Slipping mechanism prevents any overtightening, ergonomic handle. Bit mount 1/4“ hex,
DIN 3126 Form C + E (for bits from 337340 onwards), accuracy ±6% to DIN EN ISO 6789, with
factory test certificate.
Order ID Range Scale divisions Length
Nm cN·m mm
331980.0100 0.3...1.2 5 155
331980.0200 1.2...3.0 10 155
331985 Torque screwdriver WERA

Serie 7400, with scale, effective for clockwise. trigger mechanism prevents any overtigh-
tening, ergonomic handle. Tool receptacle hexagon socket 1/4“, DIN 3126 Form C + E (for bits
337340 and following), accuracy ±6% according to DIN EN ISO 6789, with factory test certificate.
Order ID Range Scale divisions Length
Nm cN·m mm
331985.0100 3.0...6.0 25 150

1580 Brütsch/Rüegger Tools Ltd. • Heinrich Stutz-Strasse 20 • P.O. Box • CH-8902 Urdorf • www.brw.ch