All H6 Models Fastener and Torque Specifications

This article provides detailed fastener and torque specifications for various assemblies of the aircraft, including lower assemblies, frame assemblies, propulsion, battery packs, and avionics.

Table 1 - Lower Assemblies

Component Name	Location	Fastener Type	Torque Specification	Loctite Type	Quantity
Toe Through-Bolt	Lower Leg (Each)	M3x35 Button Torx Screw, M3 Locknut, x2 M3 Washers	0.6 N-m (0.4425 ft-lb)	N/A	x6 per Aircraft
Landing Gear Through-Bolt (Fixed)	Upper Leg (Each)	M3x35 Button Torx Screw, M3 Locknut, x2 M3 Washers	0.6 N-m (0.4425 ft-lb)	N/A	x6 per Aircraft
Landing Gear Through-Bolt (Folding)	Upper Leg (Each)	M3x35 Socket Screw, M3 Locknut, x2 M3 Washers	0.6 N-m (0.4425 ft-lb)	N/A	x6 per Aircraft
Landing Gear Clamp Bolt	Upper Leg (Each)	M3x8 Socket Screw	1.2 N-m (0.8851 ft-lb)	243 Blue	x2 Each (x8 per Aircraft)
Landing Gear Mounting (Fixed)	Below Frame Arm (5,3,6,4)	M4x14 Socket Screw	2.6 N-m (1.9177 ft-lb)	243 Blue	x4 Each (x16 per Aircraft)
Landing Gear Mounting (Folding)	Below Frame Arm (5,3,6,4)	M4x16 Socket Screw	2.6 N-m (1.9177 ft-lb)	243 Blue	x4 Each (x16 per Aircraft)
Gremsy H16 Quick Release	Dampening Plate	Anti-Vibration Screw Kit	0.3 N-m (0.2213 ft-lb)	243 Blue	x8 per Aircraft
Gremsy Clamp Mounting	Dampening Plate	M3x10 Socket Screw	1.2 N-m (0.8851 ft-lb)	243 Blue	x2 Each (x8 per Aircraft)
Gremsy Clamp Clamping	Dampening Plate	M3x8 Socket Screw	1.2 N-m (0.8851 ft-lb)	243 Blue	x1 Each (x6 per Aircraft)
Payload Clamp Through-Bolt	Bottom of Payload Clamp	M3x22 Socket Screw	1.2 N-m (0.8851 ft-lb)	243 Blue	x1 Each (x6 per Aircraft)
Payload Clamp Mounting	Exterior of Flight Control Box	M4x6 Socket Screw	2.6 N-m (1.9177 ft-lb)	243 Blue	x4 Each (x16 per Aircraft)

Table 2 - Lower Assemblies (Continued)

Component Name	Location	Fastener Type	Torque Specification	Loctite Type	Quantity
Löweheiser Clamp Mounting	Generator Clamp	M3x16 Socket Screw	1.2 N-m (0.8851 ft-lb)	243 Blue	x2 Each (18 per Aircraft)
Löweheiser Braided Damper Mounting	Generator Clamp	M3x16 Socket Screw	1.2 N-m (0.8851 ft-lb)	243 Blue	x4 Each (x16 per Aircraft)
Löweheiser Clamp Clamping	Generator Clamp	M3x8 Socket Screw	1.2 N-m (0.8851 ft-lb)	243 Blue	x1 Each (6 per Aircraft)
Löweheiser Rectifier Cover	Generator	M3x8 Socket Screw	0.3 N-m (0.2213 ft-lb)	N/A	6 per Aircraft
Löweheiser Governor Cover	Generator	M3x18 & M3x20 Socket Screw, M3 Locknut	0.3 N-m (0.2213 ft-lb)	N/A	x1 & x3 per Aircraft (4 total)
IE Hydrogen Fuel Cell Mounting Plate	Fuel Cell Plate Clamp	M6x18 Button Torx Screw	2.6 N-m (1.9177 ft-lb)	243 Blue	34 per Aircraft
IE Hydrogen Fuel Cell Mounting	Fuel Cell Plate Clamp	M3x10 Socket Screw	1.2 N-m (0.8851 ft-lb)	243 Blue	x2 Each (18 per Aircraft)
IE Hydrogen Fuel Cell Clamping	Fuel Cell Plate Clamp	M3x12 Socket Screw	1.2 N-m (0.8851 ft-lb)	243 Blue	x1 Each (34 per Aircraft)
Max Amp Battery Strap Tray	Below Frame Arm (1 & 2)	M3x8 Flat Torx Screw, M3 Locknut	0.6 N-m (0.4425 ft-lb)	N/A	x4 Each (8 per Aircraft)
Aux Power XT60 (Black)	Ext. Flight Control Box	M3x14 Button Torx, 6mm Spacer, M3 Locknut	1.2 N-m (0.8851 ft-lb)	N/A	x2 Each (10 per Aircraft)
Aux Power XT60 (Yellow)	Ext. Flight Control Box	M3x16 Button Torx, M3x16 Socket Screw	1.2 N-m (0.8851 ft-lb)	243 Blue	x2 Each
Generator/Battery XT90 Harness	Below Frame Arms (4 & 6)	M3x12 Button Torx, 6mm Spacer	1.2 N-m (0.8851 ft-lb)	243 Blue	x2 Each (18 per Aircraft)

Table 3 - Frame Assemblies

Component Name	Location	Fastener Type	Torque Specification	Loctite Type	Quantity
Exterior Wall Mounting	Outer Perimeter	M3x8 Button Torx, M3 Locknut	1.2 N-m (0.8851 ft-lb)	N/A	x12 Each (x72 per Aircraft)
Hinge Mounting	Outer Perimeter	M4x10 Button Torx Screw	2.6 N-m (1.9177 ft-lb)	243 Blue	x8 Each (x32 per Aircraft)
Triple X Support	Between Frame Arms	M3x8 Button Torx Screw	1.2 N-m (0.8851 ft-lb)	243 Blue	x8 Each (x48 per Aircraft)
Interior Wall Mounting	Inner Perimeter	M3x8 Button Torx, M3 Locknut	1.2 N-m (0.8851 ft-lb)	N/A	x32 per Aircraft
50mm Standoff	Inner Perimeter	M3x8 Button Torx Screw	1.2 N-m (0.8851 ft-lb)	243 Blue	x2 Each (x8 per Aircraft)
PDB Mounting	Below Frame Arm (1 & 2)	M3x10 Button Torx Screw	0.6 N-m (0.4425 ft-lb)	243 Blue	x2 Each (x4 per Aircraft)
Flight Control Box Mounting	Inner Perimeter	M4x6 Button Torx Screw	2.6 N-m (1.9177 ft-lb)	243 Blue	x14 per Aircraft
Rack Alignment Wall	Inner Perimeter	M3x12 Flat Torx, M3 Square Nut	0.6 N-m (0.4425 ft-lb)	243 Blue	x6 Each (x12 per Aircraft)
Plunger Base	Top Frame Plate	M3x12 Flat Torx, M3 Square Nut	0.6 N-m (0.4425 ft-lb)	243 Blue	x2 Each (x4 per Aircraft)
Plunger Handle	Top Frame Plate	M3x12 Flat Torx Screw	0.6 N-m (0.4425 ft-lb)	243 Blue	x1 Each (x2 per Aircraft)
AS150U Mounting	Top Frame Plate	M3x6 Button Torx Screw	1.2 N-m (0.8851 ft-lb)	243 Blue	x2 Each (x4 per Aircraft)
GPS Stand	Top Frame Plate	M3x8 Socket, M3x10 Socket, M3 Square Nut	1.2 N-m (0.8851 ft-lb)	243 Blue	x2 per Aircraft (each type)
GPS Extension	Top Frame Plate	M3x12 Flat Torx Screw	0.6 N-m (0.4425 ft-lb)	243 Blue	x1 Each (x2 per Aircraft)
GPS Puck Mount	GPS Stand	M3x8 Flat Torx, M3 Locknut	0.6 N-m (0.4425 ft-lb)	N/A	x2 Each (x4 per Aircraft)

Table 4 - Propulsion

Component Name	Location	Fastener Type	Torque Specification	Loctite Type	Quantity
Hinge to Boom Clamp	Bottom of each Hinge	M3x12 Socket Screw	N/A	243 Blue	x2 Each (x12 per Aircraft)
Hinge Through-Bolt	Side of each Hinge	M3x40 Button Torx, M3 Locknut, x2 M3 Washers	1.8 N-m (1.3276 ft-lb) / 0.6 N-m (0.4425 ft-lb)	N/A	x4 per Aircraft (each)
Hinge Set Screw	Top of each Hinge	M3x0.5 Alloy Steel Flat-Tip	0.3 N-m (0.2213 ft-lb)	262 Red	x2 Each (x12 per Aircraft)
ESC Mounting	Triple X Standoffs	M2x8 Button Torx Screw	0.3 N-m (0.2213 ft-lb)	243 Blue	x4 Each (x24 per Aircraft)
Boom Cover	Boom End	M3x6 Button Torx, M3 Square Nut	0.6 N-m (0.4425 ft-lb)	243 Blue	x2 Each (x12 per Aircraft)
Motor Mount to Boom	Boom End	M4x10 Button Torx Screw	2.6 N-m (1.9177 ft-lb)	262 Red	x4 Each (x24 per Aircraft)
Motor Mount to Motor	Boom End	M4x10 Button Torx Screw	2.6 N-m (1.9177 ft-lb)	262 Red	x4 Each (x24 per Aircraft)
Propeller to Motor	Boom End	T-Motor Specific Screw	2.6 N-m (1.9177 ft-lb)	262 Red	x4 Each (x24 per Aircraft)

Table 5 - 12S Battery Assembly

Component Name	Location	Fastener Type	Torque Specification	Loctite Type	Quantity
Battery Dovetail Handles	12S Battery Pack	M3x16 Flat Torx, M3 Locknut	0.6 N-m (0.4425 ft-lb)	N/A	x8 Each (x16 per Aircraft)
Dovetail Handle Mounting	12S Battery Pack	M3x16 & M3x40 Socket Screw, Plastic Spacer	0.6 N-m (0.4425 ft-lb)	N/A	x4 per Aircraft
Battery/Fuel Plate	Avionics	M3x8 Socket Screw	0.3 N-m (0.2213 ft-lb)	N/A	x4 per Aircraft

Table 6 - Avionics

Component Name	Location	Fastener Type	Torque Specification	Loctite Type	Quantity
Remote ID & Housing	Between Arms (4 & 6)	M2x10 Button Torx, M2 Brass Insert	N/A	243 Blue	x4 per Aircraft
C-ATLAS - Air Unit	Between Arms (4 & 6)	M3x8 Button Torx, M3x12 Flat Torx	0.6 N-m (0.4425 ft-lb)	N/A	x4 per Aircraft
InVID FPV Camera	Below Arms (5 & 3)	M3x6 Button Torx	0.6 N-m (0.4425 ft-lb)	N/A	x8 per Aircraft
Herelink Air Unit	Above Arms (5 & 3)	M2x6 Button Torx, M3x8 Torx, M3 Locknut	0.6 N-m (0.4425 ft-lb)	N/A	x4 per Aircraft
CamPark FPV Camera	Above Arms (5 & 3)	M3x8 Flat Torx, M3 Square Nut, M6x8 Button Torx	0.6 N-m (0.4425 ft-lb)	N/A	x4 per Aircraft
RF Design RFD900x2	Avionics	M3x16 Socket Screw	0.3 N-m (0.2213 ft-lb)	N/A	x2 per Aircraft
Mauch Power Cube V4	Avionics	M3x22 Socket Screw	0.3 N-m (0.2213 ft-lb)	N/A	x4 per Aircraft
Mauch 24V BEC	Avionics	M3x8 Socket Screw	0.3 N-m (0.2213 ft-lb)	N/A	x2 per Aircraft
Pixhawk Mount	Avionics	M3x10 Socket Screw	0.3 N-m (0.2213 ft-lb)	N/A	x8 per Aircraft
Buzzer	Avionics	M3x8 Socket Screw	0.3 N-m (0.2213 ft-lb)	N/A	x2 per Aircraft
Telemetry/USB Mount	Avionics	M3x22 Flat Torx, M3 Brass Insert	0.6 N-m (0.4425 ft-lb)	243 Blue	x2 Each (x4 per Aircraft)
Mavlink Mount	Avionics	M3x10 Flat Torx, M3 Locknut	0.6 N-m (0.4425 ft-lb)	N/A	x2 per Aircraft