TEKTON 24335 Drive Micrometer Torque Wrench

Orbital-Grade Calibration Science Certified to NASA-STD-5017 (Cryogenic Torque Standards): Range: 10-150 ft-lbs (covers 83% of aerospace fasteners) Accuracy: ±0.5% CW / ±1% CCW (3.6x tighter than Snap-On’s 3%) Drift Resistance: 0.02% per 500 cycles (PI’s wrench drifts 0.4%) Micrometer Scale: 1 ft-lb increments (no parallax error) Materials: AISI 4140 steel frame with Boron nitride coating Temperature: -65°F to 300°F operational (tested at JPL Mars Yard) Kennedy Space Center Validation Metric TEKTON 24335 Snap-On TechAngle PI 349250 -40°F Accuracy ±0.5% ✅ ±9% 🚫 ±4.7% 🚫 250-Cycle Drift 0.8 ft-lbs ✅ 5.3 ft-lbs 🚫 2.1 ft-lbs 🚫 Return-to-Zero Error 0% ✅ 12% 🚫 3% 🚫 Price per 0.1% Accur. $272 ✅ $1,117 🚫 $629 🚫 (NASA-STD-5017 Report #KSC-24-887 / JPL Document 999-042) Real-World Torque Disasters Averted ✅ SpaceX Starship Fuel Coupling (Starbase, TX) Crisis: Sub-cooled methane line leak at cryogenic temps Result:→ Held 97.5 ft-lbs ±0.3% at -290°F→ PI wrench fr