GY-TWi Torque Wrench Interchangeable Head

Precision meets versatility with our Torque wrench series. Designed for heavy-duty industrial applications, these interchangeable head wrenches offer the flexibility to switch between open-end fittings and ratchet heads while maintaining world-class accuracy across multiple measurement scales.

Interchangeable Fittings & Accessories
Customize your tool for any job with our range of high-strength spigot-mount fittings.
Open End Fittings
  • GYOJ16-8 to GYOJ16-19: Fits A/F 8mm to 19mm (16mm Spigot)
  • GYOJ16-20 to GYOJ16-26: Fits A/F 20mm to 26mm (16mm Spigot)
  • GYOJ16-27 to GYOJ16-32: Fits A/F 27mm to 32mm (16mm Spigot)
Ratchet Head Attachments
  • GYRH16-1i: 3/8″ Square Drive (16mm Spigot)
  • GYRH16-2i: 1/2″ Square Drive (16mm Spigot)
  • GYRH16-3i: 3/4″ Square Drive (16mm Spigot)
  • GYRH22-3i: 3/4″ Square Drive (22mm Spigot)

Key Features

  • Multi-Scale Reading: Clearly marked scales for N.m, Lbf.Ft, Kgf.m, and Lbf.Ins.
  • Robust Construction: Engineered for industrial longevity with a comfortable, non-slip grip.
  • Precision Engineering: Low least-count (L.C) increments for highly accurate torque application.
  • Slim Options: The GYTW 160i Slim provides a lightweight alternative without sacrificing torque range.
technical specifications
Model GYTW- 10i GYTW- 25i GYTW- 50i GYTW- 100i GYTW- 160i GYTW- 160i Slim
Spigot 16 mm 16 mm 16 mm 16 mm 16 mm 16 mm
Range N.M 2-14 5-35 10-70 25-135 50-225 50-225
L.C. (N.M) 0.5 2 2 5 5 5
Range Lbf. Ft. 2-10 5-25 8-50 20-100 40-160 40-160
L.C. (Lbf. Ft.) 0.5 1 2 2 5 5
Range Kgf.mts 0.2-1.4 0.5-3.5 1-7 3-14 5-23 5-23
L.C. (Kgf.mts) 0.1 0.2 0.2 0.5 1 1
Range Lbf.Ins 20-120 40-300 100-600 250-1200 450-2000 450-2000
Head Width 25 mm 25 mm 28 mm 28 mm 32 mm 28 mm
Approx. OAL 340 mm 370 mm 480 mm 580 mm 640 mm 635 mm
Weight (Kg) 0.6 0.7 0.9 1.2 2.2 1.5
technical specifications
Model GYTW- 250i GYTW- 300i GYTW- 400i GYTW- 500i GYTW- 600i GYTW- 750i
Spigot 16 mm 22 mm 22 mm 22 mm 22 mm 22 mm
Range N.M 70-340 80-400 130-540 135-675 200-815 255-1015
L.C. (N.M) 10 10 15 15 15 20
Range Lbf. Ft. 50-250 60-300 100-400 100-500 150-600 180-750
L.C. (Lbf. Ft.) 5 5 10 10 10 15
Range Kgf.mts 7-35 8-40 14-56 14-70 20-84 25-105
L.C. (Kgf.mts) 1 1 1 2 2 2
Range Lbf.Ins 600-3000 720-3600 N.A N.A N.A N.A
Head Width 32 mm 48 mm 48 mm 48 mm 48 mm 48 mm
Approx. OAL 800 mm 815 mm 1095 mm 1100 mm 1105 mm 1200 mm
Weight (Kg) 2.7 2.85 6.55 6.65 6.7 7.75