TONE GKR Series Torque Tightening Wrench

Product: Made in Japan
Manufacturer: TONE
Model: GKR Series GKR251, GKR252, GKR501, GKR502, GKRC251, GKRC252

A new type of tightening torque adjustment function and a double-insulating motor with a high-rigidity aluminium body are adopted.
Capacity up for a wide range of bolt sizes.
An electric wrench that is ideal for the primary tightening of Torsia-type high-strength bolts. Equipped with a new type of torque adjustment function with a lock mechanism to prevent accidental setting deviation.

Specification

Models Fre-
quency (Hz)
Single-phase voltage (V) Max. current (A) Max. power con-
sumption (W)
Suitable bolt Size Idle speed (min^-1 [rpm]) Torque control range (N·m) Accuracy (%) Main body mass (kg) Con-
troller
Re-
marks
GKR251 50-60 100 200 14 7 1,350 High power (F8T): M16-M20-M22-M24 110 ± 151 4.3 Having within
GKR252
GKR501 50-60 100 200 16 8 1,350 High power (F8T): M27-M30
High power Bridge (F10T): M20-M22-M24
Super high power: M16-M20-M22-M24
32 ± 151 4.8 Having within
GKR502
GKRC251 50-60 100 200 13.5 6.5 1,350 High power(F8T): M16-M20-M22-M24
Super high power: M16-M20-M22
33 120~300 ± 52 4 The outside bill
GKRC252

 Accessories

LEVER SOCKET FOR M22 (MRU36T) 1
(-) driver 1
instruction manual 1
metal case 1

Adaptive bolt size

HIGH STRENGTH (F8T) M27 / M30
HIGH STRENGTH BRIDGE (F10T) M20 / M22 / M24
ultra-high strength M16 / M20 / M22 / M24

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