Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 50.0 mm max torque 360 Nm size 38 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 50.0 mm max torque 360 Nm size 37 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 40.0 mm max torque 360 Nm size 36 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 40.0 mm max torque 360 Nm size 34 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 40.0 mm max torque 360 Nm size 33 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 35.0 mm max torque 360 Nm size 32 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 35.0 mm max torque 360 Nm size 30 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 30.0 mm max torque 360 Nm size 27 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 320 Nm size 25 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 280 Nm size 24 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 220 Nm size 22 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 190 Nm size 21 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 145 Nm size 19 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 125 Nm size 18 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 109 Nm size 17 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 92 Nm size 16 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 77 Nm size 15 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 63 Nm size 14 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 51 Nm size 13 mm
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 77 Nm size 9/16 inch
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 220 Nm size 7/8 inch
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 32 Nm size 7/16 inch
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 92 Nm size 5/8 inch
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 145 Nm size 3/4 inch
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 280 Nm size 15/16 inch
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 190 Nm size 13/16 inch
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 109 Nm size 11/16 inch
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 51 Nm size 1/2 inch
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 30.0 mm max torque 360 Nm size 1.1/8 inch
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 35.0 mm max torque 360 Nm size 1.1/4 inch
Open-ended torque insert tools 14x18 mm with spring-loaded retractable pin made of high quality steel hardened, chrome finished effective length 25.0 mm max torque 360 Nm size 1 inch
Holder torque insert tools 9 x 12 mm max tighten torque 120 Nm effective length 17.5 mm for insert square size 3/8 inch
Reversible ratchet torque insert tools 9 x 12 mm 30 teeth max tighten torque 120 Nm effective length 30.0 mm for screwdriver bit 5/16 inch C8
Reversible ratchet torque insert tools 9 x 12 mm 20 teeth max tighten torque 40 Nm effective length 19.5 mm for screwdriver bit 1/4 inch C6.3
Reversible ratchet torque insert tools 9 x 12 mm 32 teeth max tighten torque 120 Nm effective length 38.5 mm square drive size 1/2 inch
Reversible ratchet torque insert tools 9 x 12 mm 30 teeth max tighten torque 120 Nm effective length 30.0 mm square drive size 3/8 inch
Reversible ratchet torque insert tools 9 x 12 mm 20 teeth max tighten torque 40 Nm effective length 19.5 mm square drive size 1/4 inch
Reversible ratchet torque insert tools 9 x 12 mm fine tooth 72 teeth max tighten torque 40 Nm effective length 17.5 mm square drive size 1/4 inch
Tool holder, forged from solid steel for loosening tight screw connections overall length 635 mm for torque insert tool size 14 x 18 mm
Tool holder, forged from solid steel for loosening tight screw connections overall length 405 mm for torque insert tool size 9 x 12 mm
Set of door hinge insert tool with curved bit holder insert square size 9x12 mm for hexagon bits size 8 mm (5/16 inch) length 95 mm including Torx bit size T45 and XZN bits size M8 / M10 / M12
Door hinge insert tool with curved bit holder insert square size 9x12 mm for hexagon bits size 8 mm (5/16 inch) length 95 mm including Torx bit size T45
Ring wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 650 Nm effective length 31.0 mm with 12-point traction profile size 41 mm
Ring wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 650 Nm effective length 31.0 mm with 12-point traction profile size 36 mm
Ring wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 650 Nm effective length 31.0 mm with 12-point traction profile size 34 mm
Ring wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 650 Nm effective length 31.0 mm with 12-point traction profile size 32 mm
Ring wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 650 Nm effective length 31.0 mm with 12-point traction profile size 30 mm
Ring wrench torque insert tools 14 x 18 mm made of high quality steel chrome-plated max tighten torque 595 Nm effective length 31.0 mm with 12-point traction profile size 27 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.
