Ring wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 330 Nm effective length 25.0 mm with 12-point traction profile size 21 mm
Ring wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 262 Nm effective length 25.0 mm with 12-point traction profile size 19 mm
Ring wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 230 Nm effective length 25.0 mm with 12-point traction profile size 18 mm
Ring wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 202 Nm effective length 25.0 mm with 12-point traction profile size 17 mm
Ring wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 175 Nm effective length 25.0 mm with 12-point traction profile size 15 mm
Ring wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 152 Nm effective length 25.0 mm with 12-point traction profile size 15 mm
Ring wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 128 Nm effective length 25.0 mm with 12-point traction profile size 14 mm
Ring wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 108 Nm effective length 25.0 mm with 12-point traction profile size 13 mm
Ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 120 Nm effective length 17.5 mm with 12-point traction profile size 22 mm
Ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 120 Nm effective length 17.5 mm with 12-point traction profile size 21 mm
Ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 120 Nm effective length 17.5 mm with 12-point traction profile size 19 mm
Ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 120 Nm effective length 17.5 mm with 12-point traction profile size 18 mm
Ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 120 Nm effective length 17.5 mm with 12-point traction profile size 17 mm
Ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 120 Nm effective length 17.5 mm with 12-point traction profile size 16 mm
Ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 120 Nm effective length 17.5 mm with 12-point traction profile size 15 mm
Ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 120 Nm effective length 17.5 mm with 12-point traction profile size 14 mm
Ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 108 Nm effective length 17.5 mm with 12-point traction profile size 13 mm
Ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 90 Nm effective length 17.5 mm with 12-point traction profile size 12 mm
Ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 73 Nm effective length 17.5 mm with 12-point traction profile size 11 mm
Ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 60 Nm effective length 17.5 mm with 12-point traction profile size 10 mm
Ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 35 Nm effective length 17.5 mm with 12-point traction profile size 8 mm
Ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 26 Nm effective length 17.5 mm with 12-point traction profile size 7 mm
Open-end ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 120 Nm effective length 17.5 mm size 22 mm
Open-end ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 120 Nm effective length 17.5 mm size 21 mm
Open-end ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 120 Nm effective length 17.5 mm size 19 mm
Open-end ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 120 Nm effective length 17.5 mm size 18 mm
Open-end ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 110 Nm effective length 17.5 mm size 17 mm
Open-end ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 93 Nm effective length 17.5 mm size 16 mm
Open-end ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 64 Nm effective length 17.5 mm size 14 mm
Open-end ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 52 Nm effective length 17.5 mm size 13 mm
Open-end ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 42 Nm effective length 17.5 mm size 12 mm
Open-end ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 33 Nm effective length 17.5 mm size 11 mm
Open-end ring wrench torque insert tools 9 x 12 mm made of high quality steel chrome-plated max tighten torque 25 Nm effective length 17.5 mm size 10 mm
External Torx torque insert tools 9 x 12 mm made of high quality steel chrome-plated for tighten and loosen Torx screws, size E24
External Torx torque insert tools 9 x 12 mm made of high quality steel chrome-plated for tighten and loosen Torx screws, size E22
External Torx torque insert tools 9 x 12 mm made of high quality steel chrome-plated for tighten and loosen Torx screws, size E20
External Torx torque insert tools 9 x 12 mm made of high quality steel chrome-plated for tighten and loosen Torx screws, size E18
External Torx torque insert tools 9 x 12 mm made of high quality steel chrome-plated for tighten and loosen Torx screws, size E16
External Torx torque insert tools 9 x 12 mm made of high quality steel chrome-plated for tighten and loosen Torx screws, size E14
External Torx torque insert tools 9 x 12 mm made of high quality steel chrome-plated for tighten and loosen Torx screws, size E12
External Torx torque insert tools 9 x 12 mm made of high quality steel chrome-plated for tighten and loosen Torx screws, size E11
External Torx torque insert tools 9 x 12 mm made of high quality steel chrome-plated for tighten and loosen Torx screws, size E10
Open end wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 650.0 Nm effective length 40.0 mm size 41 mm
Open end wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 650.0 Nm effective length 32.5 mm size 38 mm
Open end wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 650.0 Nm effective length 32.5 mm size 36 mm
Open end wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 650.0 Nm effective length 32.5 mm size 34 mm
Open end wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 644.0 Nm effective length 32.5 mm size 32 mm
Open end wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 537.0 Nm effective length 32.5 mm size 30 mm
Interchangeable Torque Insert Tools & Insert Heads for Open-Head Torque Wrenches
Explore ConnexTool's extensive 795-piece range of torque insert tools — interchangeable heads engineered by Stahlwille, Hazet, Wera, and Bahco to fit standard insert-type (headless) torque wrenches. Available across eight standardized insert-square sizes from 9x12 mm up to 27x36 mm, plus round R16 mm and R22 mm profiles, these heads let a single calibrated wrench body serve dozens of drive, ring, open-end, and specialty fastening configurations without the cost of multiple complete tools.
Standardized Insert-Square Interfaces, Reversible Ratchet Geometry & Size-Converter Adapters
Insert tools in this category share a standardized rectangular insert-square profile that locks securely into any matching open-head torque wrench or torque multiplier, decoupling the calibrated drive mechanism from the fastening interface entirely. Reversible ratchet heads such as Stahlwille's 725/735/737 series and Hazet's 6404 range are available with tooth counts from 22 to 60, where a finer tooth pitch reduces the swing arc needed to re-engage the ratchet in confined spaces. Open-end, ring, and split-ring insert heads (Stahlwille's 731/732/733 series, Bahco's 147/167 spigot profiles) suit applications where a socket cannot reach the fastener, while Wera's self-adjusting Joker heads cover a spanning range of metric and imperial sizes in a single unit. Size-converter adapters — such as Stahlwille's 7370 series — allow a wrench fitted for one insert square to accept heads of a different size, and dedicated calibration heads without ball-lock retention support laboratory torque verification rather than field fastening.
A Comprehensive Blueprint of Torque Insert Head Configurations
Our catalog spans every head profile and insert-square size for open-head torque wrench systems:
- ✔ Reversible Ratchet Insert Heads: Stahlwille 725/735/737 and Hazet 6404 series with tooth counts from 22 to 60, spanning 9x12 mm to 24.5x28 mm insert squares for confined-space applications.
- ✔ Open-End, Ring & Split-Ring Insert Heads: Stahlwille's 731/732/733 series and Bahco's 147/167 spigot-profile heads, reaching fasteners that socket-type heads cannot access.
- ✔ Self-Adjusting & Torx-Profile Insert Heads: Wera's Joker self-adjusting heads covering a size range in one unit, plus Stahlwille's 732TX Torx-profile heads for E-type fastener geometries.
- ✔ Size-Converter Adapters & Calibration Heads: Stahlwille's 7370 series for cross-size compatibility between insert squares, and 734K calibration heads without ball-lock retention for lab-grade torque verification.
Invest in professional-grade torque systems at ConnexTool, featuring 100% authentic inventory sourced directly from authorized European tool repositories.
















































